BufferBiasAmp.kicad_sch

(kicad_sch (version 20230121) (generator eeschema)

  (uuid 4bbd1dc0-d75a-42be-85f1-d5a10a080a71)

  (paper "A")

  (lib_symbols
    (symbol "AcousticsSingleChannel-altium-import:AGND" (power) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "AGND" (at 0 6.35 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name 'AGND'" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "AGND_0_0"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 -2.54)
            (xy 2.54 -2.54)
            (xy 0 -5.08)
            (xy -2.54 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (pin power_in line (at 0 0 0) (length 0) hide
          (name "AGND" (effects (font (size 1.27 1.27))))
          (number "" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_ERJ-3EKF1001V" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "RES SMD 1K OHM 1% 1/10W 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603-RES" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_0_ERJ-3EKF1001V_1_0"
        (polyline
          (pts
            (xy -1.778 0.762)
            (xy -2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 0.762)
            (xy -0.508 -0.508)
            (xy 0.762 0.762)
            (xy 2.032 -0.508)
            (xy 2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at -5.08 0 0) (length 2.54)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at 5.08 0 180) (length 2.54)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_ERJ-3EKF1002V" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "RES SMD 10K OHM 1% 1/10W 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603-RES" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_0_ERJ-3EKF1002V_1_0"
        (polyline
          (pts
            (xy -1.778 0.762)
            (xy -2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 0.762)
            (xy -0.508 -0.508)
            (xy 0.762 0.762)
            (xy 2.032 -0.508)
            (xy 2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at -5.08 0 0) (length 2.54)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at 5.08 0 180) (length 2.54)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_TI-OPA16X4_4XXX-14" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Sound Plus High-Performance, Bipolar-Input Audio Operational Amplifier, 4.5 to 36 V, -40 to 85 degC, 14-pin SOP (PW14), Green (RoHS & no Sb/Br)" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "PW0014A_N" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_0_TI-OPA16X4_4XXX-14_0_0"
        (pin power_in line (at 5.08 -15.24 90) (length 5.08)
          (name "V-" (effects (font (size 0 0))))
          (number "11" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 5.08 5.08 270) (length 5.08)
          (name "V+" (effects (font (size 0 0))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "BufferBiasAmp_0_TI-OPA16X4_4XXX-14_1_0"
        (polyline
          (pts
            (xy 0 -10.16)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -7.62)
            (xy 2.54 -7.62)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.778 -6.858)
            (xy 1.778 -8.382)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 -7.62)
            (xy 5.08 -10.16)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 0)
            (xy 5.08 -2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin output line (at 15.24 -5.08 180) (length 5.08)
          (name "OUT_A" (effects (font (size 0 0))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 -2.54 0) (length 5.08)
          (name "IN_A-" (effects (font (size 0 0))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 -7.62 0) (length 5.08)
          (name "IN_A+" (effects (font (size 0 0))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "BufferBiasAmp_0_TI-OPA16X4_4XXX-14_2_0"
        (polyline
          (pts
            (xy 0 -10.16)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -7.62)
            (xy 2.54 -7.62)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.778 -6.858)
            (xy 1.778 -8.382)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 -7.62)
            (xy 5.08 -10.16)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 0)
            (xy 5.08 -2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin input line (at -5.08 -7.62 0) (length 5.08)
          (name "IN_B+" (effects (font (size 0 0))))
          (number "5" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 -2.54 0) (length 5.08)
          (name "IN_B-" (effects (font (size 0 0))))
          (number "6" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 15.24 -5.08 180) (length 5.08)
          (name "OUT_B" (effects (font (size 0 0))))
          (number "7" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "BufferBiasAmp_0_TI-OPA16X4_4XXX-14_3_0"
        (polyline
          (pts
            (xy 0 -10.16)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -7.62)
            (xy 2.54 -7.62)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.778 -6.858)
            (xy 1.778 -8.382)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 -7.62)
            (xy 5.08 -10.16)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 0)
            (xy 5.08 -2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin input line (at -5.08 -7.62 0) (length 5.08)
          (name "IN_C+" (effects (font (size 0 0))))
          (number "10" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 15.24 -5.08 180) (length 5.08)
          (name "OUT_C" (effects (font (size 0 0))))
          (number "8" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 -2.54 0) (length 5.08)
          (name "IN_C-" (effects (font (size 0 0))))
          (number "9" (effects (font (size 1.27 1.27))))
        )
      )
      (symbol "BufferBiasAmp_0_TI-OPA16X4_4XXX-14_4_0"
        (polyline
          (pts
            (xy 0 -10.16)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 10.16 -5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -7.62)
            (xy 2.54 -7.62)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.016 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.778 -6.858)
            (xy 1.778 -8.382)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 -7.62)
            (xy 5.08 -10.16)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 5.08 0)
            (xy 5.08 -2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin input line (at -5.08 -7.62 0) (length 5.08)
          (name "IN_D+" (effects (font (size 0 0))))
          (number "12" (effects (font (size 1.27 1.27))))
        )
        (pin input line (at -5.08 -2.54 0) (length 5.08)
          (name "IN_D-" (effects (font (size 0 0))))
          (number "13" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 15.24 -5.08 180) (length 5.08)
          (name "OUT_D" (effects (font (size 0 0))))
          (number "14" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_8706943c75ba83719d021d2fdc84c58" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "LED GREEN 0603 SMD" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "FP-6_541-5056_01-4-MFG" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_1_8706943c75ba83719d021d2fdc84c58_1_0"
        (polyline
          (pts
            (xy -5.588 8.89)
            (xy -5.588 7.62)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -5.588 8.89)
            (xy -4.318 8.89)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -4.572 10.668)
            (xy -4.572 9.398)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -4.572 10.668)
            (xy -3.302 10.668)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -3.048 6.35)
            (xy -5.588 8.89)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 5.08)
            (xy 0 10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 5.08)
            (xy 2.54 5.08)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.54 10.16)
            (xy 2.54 10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.032 8.128)
            (xy -4.572 10.668)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 5.08)
            (xy 0 4.318)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 10.16)
            (xy 0 10.922)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.54 5.08)
            (xy 0 10.16)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (pin passive line (at 0 15.24 270) (length 5.08)
          (name "C" (effects (font (size 0 0))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 0 90) (length 5.08)
          (name "A" (effects (font (size 0 0))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_ERJ-3EKF4701V" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "RES SMD 4.7K OHM 1% 1/10W 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603-RES" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_1_ERJ-3EKF4701V_1_0"
        (polyline
          (pts
            (xy -0.762 -1.778)
            (xy 0 -2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.762 -1.778)
            (xy 0.508 -0.508)
            (xy -0.762 0.762)
            (xy 0.508 2.032)
            (xy 0 2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at 0 -5.08 90) (length 2.54)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at 0 5.08 270) (length 2.54)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_GRM1887U1H512JA01D" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "CAP CER 5100PF 50V U2J 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603C" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_1_GRM1887U1H512JA01D_1_0"
        (polyline
          (pts
            (xy -0.254 -1.27)
            (xy -0.254 1.27)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.254 0)
            (xy -2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.508 -1.27)
            (xy 0.508 1.27)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 2.54 0)
            (xy 0.508 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at -2.54 0 0) (length 0)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at 2.54 0 180) (length 0)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_Switch_Omron_A6S-1104-PH_eec" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "SWITCH SLIDE DIP SPST 25MA 24V" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "Omron_A6S-1104-PH_0" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_1_Switch_Omron_A6S-1104-PH_eec_1_0"
        (circle (center 0 -1.778) (radius 0.508)
          (stroke (width 0.0001) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.254 -1.27)
            (xy -1.778 1.27)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 -2.54)
            (xy 0 -3.302)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0 3.302)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (circle (center 0 1.778) (radius 0.508)
          (stroke (width 0.0001) (type solid))
          (fill (type none))
        )
        (pin passive line (at 0 -7.62 90) (length 5.08)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 7.62 270) (length 5.08)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_2_ERJ-3EKF3000V" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "RES SMD 300 OHM 1% 1/10W 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603-RES" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_2_ERJ-3EKF3000V_1_0"
        (polyline
          (pts
            (xy 1.778 -0.762)
            (xy 2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.778 -0.762)
            (xy 0.508 0.508)
            (xy -0.762 -0.762)
            (xy -2.032 0.508)
            (xy -2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at 5.08 0 180) (length 2.54)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at -5.08 0 0) (length 2.54)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_2_GCM188R71C105KA64D" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "CAP CER 1UF 16V X7R 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603C" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_2_GCM188R71C105KA64D_1_0"
        (polyline
          (pts
            (xy 0 -0.254)
            (xy 0 -2.54)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0 0.508)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 -0.254)
            (xy -1.27 -0.254)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 1.27 0.508)
            (xy -1.27 0.508)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at 0 -2.54 90) (length 0)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at 0 2.54 270) (length 0)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:BufferBiasAmp_3_GRM1887U1H512JA01D" (in_bom yes) (on_board yes)
      (property "Reference" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "CAP CER 5100PF 50V U2J 0603" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "SMD-0603C" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "BufferBiasAmp_3_GRM1887U1H512JA01D_1_0"
        (polyline
          (pts
            (xy -2.54 0)
            (xy -0.508 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.508 1.27)
            (xy -0.508 -1.27)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.254 0)
            (xy 2.54 0)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.254 1.27)
            (xy 0.254 -1.27)
          )
          (stroke (width 0.254) (type solid) (color 0 0 255 1))
          (fill (type none))
        )
        (pin passive line (at 2.54 0 180) (length 0)
          (name "1" (effects (font (size 0 0))))
          (number "1" (effects (font (size 0 0))))
        )
        (pin passive line (at -2.54 0 0) (length 0)
          (name "2" (effects (font (size 0 0))))
          (number "2" (effects (font (size 0 0))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:GND" (power) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "GND" (at 0 6.35 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name 'GND'" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "GND_0_0"
        (polyline
          (pts
            (xy -2.54 -2.54)
            (xy 2.54 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.778 -3.302)
            (xy 1.778 -3.302)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.016 -4.064)
            (xy 1.016 -4.064)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -0.254 -4.826)
            (xy 0.254 -4.826)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (pin power_in line (at 0 0 0) (length 0) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "AcousticsSingleChannel-altium-import:VCC" (power) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (at 0 0 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "VCC" (at 0 3.81 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name 'VCC'" (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "VCC_0_0"
        (polyline
          (pts
            (xy -1.27 -2.54)
            (xy 1.27 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -2.54)
          )
          (stroke (width 0.254) (type solid))
          (fill (type none))
        )
        (pin power_in line (at 0 0 0) (length 0) hide
          (name "VCC" (effects (font (size 1.27 1.27))))
          (number "" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )

  (junction (at 154.94 106.68) (diameter 0) (color 0 0 0 0)
    (uuid 10ea4bc5-1264-4d37-a44d-49434ecd0216)
  )
  (junction (at 77.47 109.22) (diameter 0) (color 0 0 0 0)
    (uuid 59f7b82d-cb48-4b0f-95de-7914f5943712)
  )
  (junction (at 106.68 109.22) (diameter 0) (color 0 0 0 0)
    (uuid 8ed3f7d0-9dbd-4a89-a98b-765036760cc7)
  )
  (junction (at 181.61 109.22) (diameter 0) (color 0 0 0 0)
    (uuid 95696bb7-3a71-4192-ba07-cbf59411401d)
  )
  (junction (at 41.91 111.76) (diameter 0) (color 0 0 0 0)
    (uuid e0ebf0eb-1d3d-4074-b2b7-0982a1ce6b7c)
  )
  (junction (at 134.62 111.76) (diameter 0) (color 0 0 0 0)
    (uuid f4cf4344-d1f9-4feb-92fc-d8da1ddcad2d)
  )
  (junction (at 35.56 88.9) (diameter 0) (color 0 0 0 0)
    (uuid f75e25f1-1c5f-4a8b-8f8d-0b1646794d83)
  )

  (wire (pts (xy 54.61 106.68) (xy 57.15 106.68))
    (stroke (width 0.254) (type default))
    (uuid 06506f01-bdaa-40c5-bb7c-dc35a8655072)
  )
  (wire (pts (xy 163.83 88.9) (xy 154.94 88.9))
    (stroke (width 0.254) (type default))
    (uuid 0e54afba-822d-457d-86fb-2df9080679d8)
  )
  (wire (pts (xy 143.51 106.68) (xy 142.24 106.68))
    (stroke (width 0.254) (type default))
    (uuid 101267a4-4b42-41c6-ada0-b732df8ead8c)
  )
  (wire (pts (xy 93.98 109.22) (xy 87.63 109.22))
    (stroke (width 0.254) (type default))
    (uuid 11fdf482-4b69-4651-a7e7-8cf54e9370d1)
  )
  (wire (pts (xy 134.62 88.9) (xy 127 88.9))
    (stroke (width 0.254) (type default))
    (uuid 12bf828c-3b80-4d91-bc94-ba1c55a77599)
  )
  (wire (pts (xy 167.64 120.65) (xy 167.64 119.38))
    (stroke (width 0.254) (type default))
    (uuid 1ce86de1-8fa6-451b-9122-c85a7a2221cd)
  )
  (wire (pts (xy 181.61 88.9) (xy 181.61 109.22))
    (stroke (width 0.254) (type default))
    (uuid 26a2e956-3f14-478c-bfda-d181d1df9a67)
  )
  (wire (pts (xy 181.61 109.22) (xy 177.8 109.22))
    (stroke (width 0.254) (type default))
    (uuid 2ac99094-fa29-4591-9f28-f7d2c91069b6)
  )
  (wire (pts (xy 41.91 123.19) (xy 31.75 123.19))
    (stroke (width 0.254) (type default))
    (uuid 2adbebbe-9edf-4535-a3e4-e44f5165ced7)
  )
  (wire (pts (xy 106.68 109.22) (xy 111.76 109.22))
    (stroke (width 0.254) (type default))
    (uuid 2d7e5e87-560f-4afe-878d-c46aa1b901b9)
  )
  (wire (pts (xy 173.99 88.9) (xy 181.61 88.9))
    (stroke (width 0.254) (type default))
    (uuid 4a26ba4a-5653-4e03-877f-51a28e8eb36d)
  )
  (wire (pts (xy 77.47 88.9) (xy 54.61 88.9))
    (stroke (width 0.254) (type default))
    (uuid 4db82c5c-6193-4bd8-931d-df7d8db08608)
  )
  (wire (pts (xy 111.76 114.3) (xy 110.49 114.3))
    (stroke (width 0.254) (type default))
    (uuid 539ca29b-5824-434f-89b9-e431069fcbca)
  )
  (wire (pts (xy 41.91 111.76) (xy 41.91 123.19))
    (stroke (width 0.254) (type default))
    (uuid 562a922c-45b9-4c07-ade6-0272ae426bc6)
  )
  (wire (pts (xy 106.68 88.9) (xy 116.84 88.9))
    (stroke (width 0.254) (type default))
    (uuid 66cb7f97-2eed-4a97-8719-06f6791418a7)
  )
  (wire (pts (xy 134.62 111.76) (xy 134.62 88.9))
    (stroke (width 0.254) (type default))
    (uuid 67bce7a1-a815-406f-858a-425d5d3c829a)
  )
  (wire (pts (xy 134.62 111.76) (xy 157.48 111.76))
    (stroke (width 0.254) (type default))
    (uuid 6d45a4a5-f3a0-44f5-b42b-062ed2028456)
  )
  (wire (pts (xy 35.56 111.76) (xy 41.91 111.76))
    (stroke (width 0.254) (type default))
    (uuid 72c1ad43-ec58-4378-81b5-ad2847296e72)
  )
  (wire (pts (xy 35.56 67.31) (xy 35.56 71.12))
    (stroke (width 0.254) (type default))
    (uuid 77c77fd6-98e7-4506-b3b8-1718226a2690)
  )
  (wire (pts (xy 106.68 109.22) (xy 106.68 88.9))
    (stroke (width 0.254) (type default))
    (uuid 7b61eb04-e6a1-4caa-8677-a8502629ec7f)
  )
  (wire (pts (xy 154.94 106.68) (xy 157.48 106.68))
    (stroke (width 0.254) (type default))
    (uuid 848196cc-ff59-40f2-a8c1-63444aadd46d)
  )
  (wire (pts (xy 142.24 106.68) (xy 142.24 113.03))
    (stroke (width 0.254) (type default))
    (uuid 85b946d9-0c30-47b6-950a-bbe4a41d9a15)
  )
  (wire (pts (xy 132.08 111.76) (xy 134.62 111.76))
    (stroke (width 0.254) (type default))
    (uuid 879b0f9e-2598-4a1c-8d53-8d4c2420d4de)
  )
  (wire (pts (xy 40.64 88.9) (xy 35.56 88.9))
    (stroke (width 0.254) (type default))
    (uuid 92f5986c-1084-4551-8e6c-ff4c087db751)
  )
  (wire (pts (xy 110.49 114.3) (xy 110.49 115.57))
    (stroke (width 0.254) (type default))
    (uuid 9d710000-2610-4c61-9f38-bf10ff16ba3b)
  )
  (wire (pts (xy 104.14 109.22) (xy 106.68 109.22))
    (stroke (width 0.254) (type default))
    (uuid 9e189e88-8843-41fa-9ad4-a50d150eb97e)
  )
  (wire (pts (xy 77.47 109.22) (xy 77.47 88.9))
    (stroke (width 0.254) (type default))
    (uuid a1ad3d40-c37d-4f21-ba5f-5b3275be9159)
  )
  (wire (pts (xy 35.56 88.9) (xy 35.56 91.44))
    (stroke (width 0.254) (type default))
    (uuid a3d13196-4729-4744-8960-b8f3f13307e7)
  )
  (wire (pts (xy 35.56 101.6) (xy 35.56 111.76))
    (stroke (width 0.254) (type default))
    (uuid b7b8e311-84af-487a-a7b9-cac22858b1c7)
  )
  (wire (pts (xy 181.61 109.22) (xy 196.85 109.22))
    (stroke (width 0.254) (type default))
    (uuid ba25db92-acab-48fb-b59c-b7e14fae1356)
  )
  (wire (pts (xy 54.61 88.9) (xy 54.61 106.68))
    (stroke (width 0.254) (type default))
    (uuid bc6dc534-fa38-4734-8eb1-26e0ffd183f8)
  )
  (wire (pts (xy 41.91 111.76) (xy 46.99 111.76))
    (stroke (width 0.254) (type default))
    (uuid c34b2995-e0f3-4614-92d5-9bc445d96fa2)
  )
  (wire (pts (xy 154.94 88.9) (xy 154.94 106.68))
    (stroke (width 0.254) (type default))
    (uuid cf5065f4-672f-44cc-a255-a301240174f7)
  )
  (wire (pts (xy 50.8 88.9) (xy 50.8 85.09))
    (stroke (width 0.254) (type default))
    (uuid dbab3a0b-cd1d-45b8-a90a-e15a6a5b9f22)
  )
  (wire (pts (xy 52.07 111.76) (xy 57.15 111.76))
    (stroke (width 0.254) (type default))
    (uuid e9cb5e9f-aecb-4c84-8cd4-e3c95312105f)
  )
  (wire (pts (xy 154.94 106.68) (xy 153.67 106.68))
    (stroke (width 0.254) (type default))
    (uuid ed78fd13-9bc1-41b3-b72c-89172b6b99a4)
  )
  (wire (pts (xy 35.56 86.36) (xy 35.56 88.9))
    (stroke (width 0.254) (type default))
    (uuid f4bf7341-d97c-4d1d-a0bd-d81becdf92fa)
  )
  (wire (pts (xy 82.55 109.22) (xy 77.47 109.22))
    (stroke (width 0.254) (type default))
    (uuid fb180590-1050-4399-a8ea-8068822ec283)
  )

  (text "A6S-1104-PH" (at 33.02 106.68 90)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 895062f3-3aff-45d9-b513-5791a8273088)
  )

  (label "BUF_IN" (at 53.34 114.3 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 30083696-6922-40c4-accd-110b7451e60a)
  )
  (label "BBAmp_IN" (at 146.05 111.76 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid 440619c0-a2f6-46ab-b20d-00961a76721e)
  )
  (label "BIAS_IN" (at 87.63 109.22 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid af4b9ec5-9df8-49b6-a7c7-a3dba169b2e3)
  )
  (label "BIAS_OUT" (at 127 88.9 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid b55f0523-74c0-4109-8186-44f8bb0b3481)
  )
  (label "BUF_OUT" (at 69.85 88.9 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid c5436161-e4fe-479d-b426-2f9f6258bf51)
  )
  (label "BBA_OUT" (at 184.15 109.22 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left bottom))
    (uuid eb69b5b3-cc6b-4020-afe4-af8f01b9375b)
  )

  (hierarchical_label "BBA_OUT" (shape output) (at 196.85 109.22 0) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 698df7ab-690e-4aef-aeac-056889562fdd)
  )
  (hierarchical_label "BBA_IN" (shape input) (at 31.75 123.19 180) (fields_autoplaced)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid cdfdab62-711e-4cfb-a6df-a58ed94f99ef)
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_2_ERJ-3EKF3000V") (at 45.72 88.9 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 0d3799d4-fd27-412a-8853-f02e640ba768)
    (property "Reference" "R21" (at 42.926 88.138 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "300" (at 42.926 92.456 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603-RES" (at 45.72 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 45.72 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "ERJ-3EKF3000V" (at 45.72 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 54032ddd-aa82-49b9-83c3-03423032c4b9))
    (pin "2" (uuid 7ccef139-ec92-4553-b032-428d85703954))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "R21") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_2_GCM188R71C105KA64D") (at 92.71 92.71 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 0f8f6114-e91d-48d6-b6b7-0a4f564daac3)
    (property "Reference" "C16" (at 94.234 92.456 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "1µF" (at 94.234 94.996 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603C" (at 92.71 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 92.71 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "CL10A105KA8NNNC" (at 92.71 92.71 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid cf0e65e4-1d6a-44ef-acb8-50855904693d))
    (pin "2" (uuid 246ccae7-eece-4cda-a6ea-8f7493d802c2))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "C16") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_GRM1887U1H512JA01D") (at 49.53 111.76 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 1eadf913-920f-4686-b1df-6396b1055162)
    (property "Reference" "C2" (at 46.736 110.236 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "5100pF" (at 46.736 115.824 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603C" (at 49.53 111.76 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 49.53 111.76 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "GRM1887U1H512JA01D" (at 49.53 111.76 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 51cb63dc-1073-492d-a283-1bb89320a135))
    (pin "2" (uuid 4b497e4e-b45c-4fe2-8b89-940074c88e47))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "C2") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:VCC") (at 167.64 99.06 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 27398c24-327a-4052-98d4-8cd5e853f494)
    (property "Reference" "#PWR0144" (at 167.64 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "VCC" (at 167.64 95.25 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 167.64 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 167.64 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid c780f278-5ebd-418d-9398-886ee40f6033))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0144") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_8706943c75ba83719d021d2fdc84c58") (at 50.8 85.09 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 3003682f-0f80-4a6a-980c-3d60db0043fd)
    (property "Reference" "D2" (at 53.594 76.454 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "TLMP1100-GS08" (at 53.594 78.994 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:FP-6_541-5056_01-4-MFG" (at 50.8 85.09 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 50.8 85.09 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "TLMP1100-GS08" (at 50.8 85.09 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 104cb6bc-5f18-4490-bd40-c98aed51f82f))
    (pin "2" (uuid e9b4f68a-fa57-427f-92a8-5a907d3132c8))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "D2") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:VCC") (at 121.92 101.6 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 358cb046-4ad8-40cc-9c14-31dcd380b65c)
    (property "Reference" "#PWR0143" (at 121.92 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "VCC" (at 121.92 97.79 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 121.92 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 121.92 101.6 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 88da4ab0-c250-4e1a-8873-2fad7adb104e))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0143") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_ERJ-3EKF4701V") (at 35.56 96.52 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 3da26b81-13d9-4fd5-acb6-523d22d5c255)
    (property "Reference" "R5" (at 36.322 96.266 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "4.7k" (at 36.322 98.806 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603-RES" (at 35.56 96.52 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 35.56 96.52 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "ERJ-3EKF4701V" (at 35.56 96.52 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 7186e161-b7b8-44a2-81a4-54068d840e8a))
    (pin "2" (uuid b4078883-691a-458b-bc7c-3ce5a141f420))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "R5") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_ERJ-3EKF1002V") (at 99.06 109.22 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 3e9ac572-8b44-4c3a-a0d5-23d35bbb1dd0)
    (property "Reference" "R4" (at 96.266 108.204 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "10k" (at 96.266 112.522 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603-RES" (at 99.06 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 99.06 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "RNCP0603FTD10K0" (at 99.06 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ec8c19aa-37bc-4797-a411-6dc3e6294766))
    (pin "2" (uuid dd0bdaa0-d206-4755-aa5e-0f59f74c3a86))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "R4") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:GND") (at 121.92 121.92 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 45da34dd-6b23-4820-b1e6-486b6253dc63)
    (property "Reference" "#PWR0145" (at 121.92 121.92 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 121.92 128.27 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 121.92 121.92 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 121.92 121.92 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 4f9ff2b3-0316-4617-8e7d-c5a65321f9e1))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0145") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_ERJ-3EKF1001V") (at 148.59 106.68 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 54035600-a9a7-4343-b573-05462382ca31)
    (property "Reference" "R3" (at 145.796 105.664 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "1k" (at 145.796 109.982 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603-RES" (at 148.59 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 148.59 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "RNCP0603FTD1K00" (at 148.59 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 0bc395d3-247d-48de-a1b9-d9178d6e0b35))
    (pin "2" (uuid 9180d437-1ee1-40cc-99c2-00ba624ba761))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "R3") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:GND") (at 92.71 95.25 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 6647fb0e-1288-4ce8-abd6-bff7e7c8e4ee)
    (property "Reference" "#PWR0137" (at 92.71 95.25 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 92.71 101.6 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 92.71 95.25 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 92.71 95.25 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 5ba922a9-1db0-4758-8ea3-d41f011a200c))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0137") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:VCC") (at 35.56 67.31 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 782b1a79-f8f8-4a32-8c4b-094a63d3fa3d)
    (property "Reference" "#PWR0139" (at 35.56 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "VCC" (at 35.56 63.5 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 35.56 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 35.56 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid ea2bafca-584c-47ce-b9dd-5dbacab65c30))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0139") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_TI-OPA16X4_4XXX-14") (at 62.23 104.14 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 8b775619-b22c-40c7-a54e-eb714765675e)
    (property "Reference" "U1" (at 68.58 106.68 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "OPA1604AIPWR" (at 77.47 101.6 0)
      (effects (font (size 1.27 1.27)) (justify left bottom) hide)
    )
    (property "Footprint" "AltiumImports:PW0014A_N" (at 62.23 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 62.23 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "OPA1604AIPWR" (at 62.23 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "11" (uuid d0f60702-38c7-4e9e-8834-33f1f1c39997))
    (pin "4" (uuid 89040851-714b-4979-b02d-5c53e1ad6eeb))
    (pin "1" (uuid ca83481e-1dd4-4bdf-ae54-080afcf37695))
    (pin "2" (uuid 6ecded1a-c784-4b60-ad3e-5244ad9043f7))
    (pin "3" (uuid 33d6abed-8817-4ee4-9de1-34edd9c80d0f))
    (pin "5" (uuid 7f75780d-6171-402f-a4ac-bc7aea2ee0bb))
    (pin "6" (uuid 93c385d0-0419-41a8-8bcd-9f001be76620))
    (pin "7" (uuid 905baecd-03d1-4471-a816-8f293595ab4f))
    (pin "10" (uuid d9755a90-48ac-4aae-af48-920f7975b9d4))
    (pin "8" (uuid 3f8dc9d1-432a-44bb-8fb2-b65e48668e27))
    (pin "9" (uuid 558b87b2-ea7e-452e-a60d-af9f3f94b878))
    (pin "12" (uuid 234c0628-df5d-430a-ad9a-99bb49a0e04a))
    (pin "13" (uuid fc92f6f7-6dd2-4516-8818-8fb78043d01f))
    (pin "14" (uuid 1af3188e-e7b0-4c6b-9fc6-5532dfe40b48))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "U1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:GND") (at 67.31 119.38 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid 8fd9ad9f-4024-434d-9343-94a504f74d00)
    (property "Reference" "#PWR0135" (at 67.31 119.38 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 67.31 125.73 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 67.31 119.38 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 67.31 119.38 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid c11f348c-444d-4868-9397-b2c1c36a5014))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0135") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:AGND") (at 142.24 113.03 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid ab925d84-48bc-41a3-9bbd-35c5704955c3)
    (property "Reference" "#PWR0142" (at 142.24 113.03 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "AGND" (at 142.24 119.38 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 142.24 113.03 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 142.24 113.03 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 9e7d4483-e828-4fb7-9bba-9810f8455da7))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0142") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_TI-OPA16X4_4XXX-14") (at 162.56 104.14 0) (unit 3)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid ba4f9e69-4b45-4c16-a178-0af82dcb19fc)
    (property "Reference" "U1" (at 168.91 106.68 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "OPA1604AIPWR" (at 178.308 106.426 0)
      (effects (font (size 1.27 1.27)) (justify left bottom) hide)
    )
    (property "Footprint" "AltiumImports:PW0014A_N" (at 162.56 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 162.56 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "OPA1604AIPWR" (at 162.56 104.14 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "11" (uuid 9baf12a9-7a54-4452-97c9-af6e48906079))
    (pin "4" (uuid c5604746-61e7-4ce2-9f3c-f6251cc6d34a))
    (pin "1" (uuid 3980819b-19bb-4bc5-87f6-0ed82bf393d9))
    (pin "2" (uuid 9d411fdc-241b-445a-bdbd-346fce4db79e))
    (pin "3" (uuid a3e5e7a9-2145-4153-8335-cbc734ee53ac))
    (pin "5" (uuid 3cf88668-b8e7-438b-9edc-dd5e71d347c8))
    (pin "6" (uuid ddb0e522-c9a3-40b4-b9eb-b35495fd7b09))
    (pin "7" (uuid 57c7b820-34cc-4334-90f8-acb1ff233379))
    (pin "10" (uuid 7c264042-a03a-4726-bc1b-049622064404))
    (pin "8" (uuid 46da8034-57cc-4225-99e0-110e3d405311))
    (pin "9" (uuid 77abc3df-8e6c-4662-8e61-0353b6a4b706))
    (pin "12" (uuid 76e0bf20-9b4c-44a6-9d41-3a0f09e7adca))
    (pin "13" (uuid bf74296a-371e-4491-98b4-d9af618e5158))
    (pin "14" (uuid 1dc8a1ad-6f9e-47f9-894e-481aa299d72e))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "U1") (unit 3)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_ERJ-3EKF1002V") (at 168.91 88.9 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid bea7e6fc-846d-4305-99fd-672efd6cdf80)
    (property "Reference" "R1" (at 166.116 87.884 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "10k" (at 166.116 92.202 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603-RES" (at 168.91 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 168.91 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "RNCP0603FTD10K0" (at 168.91 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 5a7e7d91-f750-471b-a367-feb1a5432777))
    (pin "2" (uuid ba11350b-2328-42cb-8c65-54d6a6f3b3f2))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "R1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:GND") (at 167.64 120.65 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid c045f96e-c2be-4b7a-9685-9e2def4d91d0)
    (property "Reference" "#PWR0141" (at 167.64 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 167.64 127 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 167.64 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 167.64 120.65 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 70a57307-57ff-4c28-8cd1-5c1909665f03))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0141") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:VCC") (at 92.71 90.17 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid c6e3e4f5-f159-4b96-813a-b49790d4bfed)
    (property "Reference" "#PWR0136" (at 92.71 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "VCC" (at 92.71 86.36 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 92.71 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 92.71 90.17 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid e35ea967-65e2-4600-8eaf-424541313cea))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0136") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:AGND") (at 110.49 115.57 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid c75baacd-d369-44f9-b4a8-8a52c7e90367)
    (property "Reference" "#PWR0146" (at 110.49 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "AGND" (at 110.49 121.92 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 110.49 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 110.49 115.57 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 1eb154a8-275b-4e2f-97ba-300e0a468ad8))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0146") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:VCC") (at 67.31 99.06 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid d0b473ee-00bb-46a2-8516-82129e31e4da)
    (property "Reference" "#PWR0138" (at 67.31 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "VCC" (at 67.31 95.25 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 67.31 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 67.31 99.06 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid 6aacbafa-d23d-40cc-b80c-60483438af4d))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0138") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:GND") (at 50.8 69.85 180) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid d333b4fd-574c-4d96-a360-8077543906e8)
    (property "Reference" "#PWR0140" (at 50.8 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (at 50.8 63.5 0)
      (effects (font (size 1.27 1.27)))
    )
    (property "Footprint" "" (at 50.8 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 50.8 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "" (uuid f2a7682a-6071-4ecd-87c2-64550cb0b55a))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "#PWR0140") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_3_GRM1887U1H512JA01D") (at 85.09 109.22 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid d4a6780c-b4ab-494a-8e5e-a21cd7ff51bb)
    (property "Reference" "C1" (at 82.296 107.696 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "5100pF" (at 82.296 113.284 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603C" (at 85.09 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 85.09 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "GRM1887U1H512JA01D" (at 85.09 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 97c0ae86-053e-49dd-bbce-307f67d93581))
    (pin "2" (uuid c0cda028-98ac-439a-a19f-7cf80a6c9173))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "C1") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_ERJ-3EKF1002V") (at 121.92 88.9 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid d5d6f136-c220-43e8-a606-cc224af484b9)
    (property "Reference" "R2" (at 119.126 87.884 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "10k" (at 119.126 92.202 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Footprint" "AltiumImports:SMD-0603-RES" (at 121.92 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 121.92 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "RNCP0603FTD10K0" (at 121.92 88.9 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid df75983c-c35b-4493-a604-175dd8ebb8d1))
    (pin "2" (uuid 29cf2a94-5a64-464d-bf42-db4b22ded89d))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "R2") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_1_Switch_Omron_A6S-1104-PH_eec") (at 35.56 78.74 0) (unit 1)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid d83c3cfe-3c17-4dfa-af33-5be1aa54158f)
    (property "Reference" "SW2" (at 36.322 80.264 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "Switch_Omron_A6S-1104-PH_eec" (at 33.528 70.612 0)
      (effects (font (size 1.27 1.27)) (justify left bottom) hide)
    )
    (property "Footprint" "AltiumImports:Omron_A6S-1104-PH_0" (at 35.56 78.74 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 35.56 78.74 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "A6S-1104-PH" (at 35.56 78.74 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 369db2d0-7bb2-488c-a1ba-0d186c1db577))
    (pin "2" (uuid 6fa7f229-656d-430c-9fa7-8838157b4095))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "SW2") (unit 1)
        )
      )
    )
  )

  (symbol (lib_id "AcousticsSingleChannel-altium-import:BufferBiasAmp_0_TI-OPA16X4_4XXX-14") (at 116.84 106.68 0) (unit 4)
    (in_bom yes) (on_board yes) (dnp no)
    (uuid ff156073-3023-4362-aee0-09906c208a3d)
    (property "Reference" "U1" (at 123.19 109.22 0)
      (effects (font (size 1.27 1.27)) (justify left bottom))
    )
    (property "Value" "OPA1604AIPWR" (at 132.588 108.966 0)
      (effects (font (size 1.27 1.27)) (justify left bottom) hide)
    )
    (property "Footprint" "AltiumImports:PW0014A_N" (at 116.84 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (at 116.84 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Part Number" "OPA1604AIPWR" (at 116.84 106.68 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "11" (uuid a892f835-504c-4c34-9af7-eb32ace6deac))
    (pin "4" (uuid fa1218c2-3a5a-4a96-a07d-6076ef1fa5f0))
    (pin "1" (uuid 08bb61e7-f8a5-4bb1-9a51-b0a1d3f52ecf))
    (pin "2" (uuid 269af453-afdb-41bf-8afe-403295666c60))
    (pin "3" (uuid b748cb7c-ba97-4b00-9087-da67f696c97f))
    (pin "5" (uuid c4c0ac98-05cb-43eb-b314-b1ed34f2522e))
    (pin "6" (uuid 5b0d4bb9-bcbc-42fb-b830-03bbdf9698e0))
    (pin "7" (uuid c710d1f9-80c2-4e7a-98e3-006f48a1bb45))
    (pin "10" (uuid 969c3cc7-fb24-43b7-bfa5-f2253d1a75d7))
    (pin "8" (uuid 721d54bb-affc-471f-98ea-dc733b358dc2))
    (pin "9" (uuid 48d1b50e-1515-486e-ab4b-ea353b15e994))
    (pin "12" (uuid 10e0e062-8303-4028-8578-8effd3cdd1de))
    (pin "13" (uuid 67d0836b-3290-411b-90d1-e1eac6336efd))
    (pin "14" (uuid 92fc424a-9a29-4f44-89db-96ed77897e41))
    (instances
      (project "AcousticsSingleChannel"
        (path "/8b2368f6-513e-479c-aa25-8a2dd439cbb4/81960857-4994-4d17-b2b7-49897dec4f14"
          (reference "U1") (unit 4)
        )
      )
    )
  )
)