(kicad_sch (version 20211123) (generator eeschema)
  (paper "A4")
  (lib_symbols
    (symbol "Amplifier_Operational:MCP6L01x-xOT" (pin_names (offset 0.127)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at -1.27 6.35 0))
      (property "Value" "MCP6L01x-xOT" (id 1) (at -1.27 3.81 0))
      (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at -2.54 -5.08 0))
      (property "Datasheet" "http://ww1.microchip.com/downloads/en/devicedoc/22140b.pdf" (id 3) (at 0 5.08 0))
      (property "ki_keywords" "opamp vfa rtr r2r" (id 4) (at 0 0 0))
      (property "ki_description" "Single, 1 MHz, 85µA, Rail-to-Rail input and output, SOT-23-5" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "SOT?23*" (id 6) (at 0 0 0))
      (symbol "MCP6L01x-xOT_0_1"
        (polyline
          (pts
            (xy -5.08 5.08)
            (xy 5.08 0)
            (xy -5.08 -5.08)
            (xy -5.08 5.08)
          )
          (fill (type background))
        )
        (pin power_in line (at -2.54 -7.62 90) (length 3.81)
          (name "V-")
          (number "2")
        )
        (pin power_in line (at -2.54 7.62 270) (length 3.81)
          (name "V+")
          (number "5")
        )
      )
      (symbol "MCP6L01x-xOT_1_1"
        (pin output line (at 7.62 0 180) (length 2.54)
          (name "~")
          (number "1")
        )
        (pin input line (at -7.62 2.54 0) (length 2.54)
          (name "+")
          (number "3")
        )
        (pin input line (at -7.62 -2.54 0) (length 2.54)
          (name "-")
          (number "4")
        )
      )
    )
    (symbol "Device:C" (pin_numbers hide) (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
      (property "Reference" "C" (id 0) (at 0.635 2.54 0))
      (property "Value" "C" (id 1) (at 0.635 -2.54 0))
      (property "Footprint" "" (id 2) (at 0.9652 -3.81 0))
      (property "Datasheet" "~" (id 3) (at 0 0 0))
      (property "ki_keywords" "cap capacitor" (id 4) (at 0 0 0))
      (property "ki_description" "Unpolarized capacitor" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "C_*" (id 6) (at 0 0 0))
      (symbol "C_0_1"
        (polyline
          (pts
            (xy -2.032 -0.762)
            (xy 2.032 -0.762)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -2.032 0.762)
            (xy 2.032 0.762)
          )
          (fill (type none))
        )
      )
      (symbol "C_1_1"
        (pin passive line (at 0 3.81 270) (length 2.794)
          (name "~")
          (number "1")
        )
        (pin passive line (at 0 -3.81 90) (length 2.794)
          (name "~")
          (number "2")
        )
      )
    )
    (symbol "Device:FerriteBead_Small" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "FB" (id 0) (at 1.905 1.27 0))
      (property "Value" "FerriteBead_Small" (id 1) (at 1.905 -1.27 0))
      (property "Footprint" "" (id 2) (at -1.778 0 90))
      (property "Datasheet" "~" (id 3) (at 0 0 0))
      (property "ki_keywords" "L ferrite bead inductor filter" (id 4) (at 0 0 0))
      (property "ki_description" "Ferrite bead, small symbol" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "Inductor_* L_* *Ferrite*" (id 6) (at 0 0 0))
      (symbol "FerriteBead_Small_0_1"
        (polyline
          (pts
            (xy 0 -1.27)
            (xy 0 -0.7874)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0.889)
            (xy 0 1.2954)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.8288 0.2794)
            (xy -1.1176 1.4986)
            (xy 1.8288 -0.2032)
            (xy 1.1176 -1.4224)
            (xy -1.8288 0.2794)
          )
          (fill (type none))
        )
      )
      (symbol "FerriteBead_Small_1_1"
        (pin passive line (at 0 2.54 270) (length 1.27)
          (name "~")
          (number "1")
        )
        (pin passive line (at 0 -2.54 90) (length 1.27)
          (name "~")
          (number "2")
        )
      )
    )
    (symbol "Device:R" (pin_numbers hide) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "R" (id 0) (at 2.032 0 90))
      (property "Value" "R" (id 1) (at 0 0 90))
      (property "Footprint" "" (id 2) (at -1.778 0 90))
      (property "Datasheet" "~" (id 3) (at 0 0 0))
      (property "ki_keywords" "R res resistor" (id 4) (at 0 0 0))
      (property "ki_description" "Resistor" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0))
      (symbol "R_0_1"
        (rectangle (start -1.016 -2.54) (end 1.016 2.54)
          (fill (type none))
        )
      )
      (symbol "R_1_1"
        (pin passive line (at 0 3.81 270) (length 1.27)
          (name "~")
          (number "1")
        )
        (pin passive line (at 0 -3.81 90) (length 1.27)
          (name "~")
          (number "2")
        )
      )
    )
    (symbol "power:+9V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -3.81 0))
      (property "Value" "+9V" (id 1) (at 0 3.556 0))
      (property "Footprint" "" (id 2) (at 0 0 0))
      (property "Datasheet" "" (id 3) (at 0 0 0))
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"+9V\"" (id 5) (at 0 0 0))
      (symbol "+9V_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (fill (type none))
        )
      )
      (symbol "+9V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+9V")
          (number "1")
        )
      )
    )
    (symbol "power:-9V" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -3.175 0))
      (property "Value" "-9V" (id 1) (at 0 3.81 0))
      (property "Footprint" "" (id 2) (at 0 0 0))
      (property "Datasheet" "" (id 3) (at 0 0 0))
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"-9V\"" (id 5) (at 0 0 0))
      (symbol "-9V_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0.762 1.27)
            (xy -0.762 1.27)
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (fill (type outline))
        )
      )
      (symbol "-9V_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "-9V")
          (number "1")
        )
      )
    )
    (symbol "power:GND1" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -6.35 0))
      (property "Value" "GND1" (id 1) (at 0 -3.81 0))
      (property "Footprint" "" (id 2) (at 0 0 0))
      (property "Datasheet" "" (id 3) (at 0 0 0))
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0))
      (property "ki_description" "Power symbol creates a global label with name \"GND1\" , ground" (id 5) (at 0 0 0))
      (symbol "GND1_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -1.27)
            (xy 1.27 -1.27)
            (xy 0 -2.54)
            (xy -1.27 -1.27)
            (xy 0 -1.27)
          )
          (fill (type none))
        )
      )
      (symbol "GND1_1_1"
        (pin power_in line (at 0 0 270) (length 0) hide
          (name "GND1")
          (number "1")
        )
      )
    )
  )
  (junction (at 160.655 95.25) (diameter 0) (color 0 0 0 0))
  (junction (at 132.08 97.79) (diameter 0) (color 0 0 0 0))
  (junction (at 141.605 111.76) (diameter 0) (color 0 0 0 0))
  (junction (at 141.605 97.79) (diameter 0) (color 0 0 0 0))
  (wire (pts (xy 132.08 100.965) (xy 132.08 97.79)))
  (wire (pts (xy 140.97 92.71) (xy 145.415 92.71)))
  (wire (pts (xy 102.235 92.71) (xy 135.89 92.71)))
  (wire (pts (xy 132.08 97.79) (xy 141.605 97.79)))
  (wire (pts (xy 132.08 111.76) (xy 141.605 111.76)))
  (wire (pts (xy 141.605 108.585) (xy 141.605 111.76)))
  (wire (pts (xy 141.605 100.965) (xy 141.605 97.79)))
  (wire (pts (xy 160.655 111.76) (xy 160.655 95.25)))
  (wire (pts (xy 141.605 97.79) (xy 145.415 97.79)))
  (wire (pts (xy 132.08 111.76) (xy 132.08 108.585)))
  (wire (pts (xy 141.605 111.76) (xy 160.655 111.76)))
  (wire (pts (xy 160.655 95.25) (xy 163.195 95.25)))
  (wire (pts (xy 123.19 97.79) (xy 132.08 97.79)))
  (hierarchical_label "IN" (shape input) (at 102.235 92.71 180))
  (hierarchical_label "OUT" (shape input) (at 170.815 95.25 0))
  (symbol (lib_id "power:GND1") (at 123.19 105.41 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "#PWR060" (id 0) (at 123.19 111.76 0))
    (property "Value" "GND1" (id 1) (at 123.19 109.8534 0))
    (property "Footprint" "" (id 2) (at 123.19 105.41 0))
    (property "Datasheet" "" (id 3) (at 123.19 105.41 0))
    (pin "1")
  )
  (symbol (lib_id "Device:R") (at 167.005 95.25 90) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "R28" (id 0) (at 167.005 90.5342 90))
    (property "Value" "20k" (id 1) (at 167.005 93.0711 90))
    (property "Footprint" "Resistor_SMD:R_0805_2012Metric" (id 2) (at 167.005 97.028 90))
    (property "Datasheet" "~" (id 3) (at 167.005 95.25 0))
    (property "PN" "ERA-6AED203V " (id 4) (at 167.005 95.25 0))
    (property "comment" "" (id 5) (at 167.005 95.25 0))
    (property "supplier" "MOUSER" (id 6) (at 167.005 95.25 0))
    (pin "1")
    (pin "2")
  )
  (symbol (lib_id "Device:R") (at 141.605 104.775 180) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "R30" (id 0) (at 143.383 103.9403 0))
    (property "Value" "10k" (id 1) (at 143.383 106.4772 0))
    (property "Footprint" "Resistor_SMD:R_0805_2012Metric" (id 2) (at 143.383 104.775 90))
    (property "Datasheet" "~" (id 3) (at 141.605 104.775 0))
    (property "PN" "CRT0805-FX-1002ELF" (id 4) (at 141.605 104.775 0))
    (property "comment" " " (id 5) (at 141.605 104.775 0))
    (property "supplier" "MOUSER" (id 6) (at 141.605 104.775 0))
    (pin "1")
    (pin "2")
  )
  (symbol (lib_id "Amplifier_Operational:MCP6L01x-xOT") (at 153.035 95.25 0) (unit 1)
    (in_bom yes) (on_board yes)
    (property "Reference" "U9" (id 0) (at 158.115 90.17 0))
    (property "Value" "MCP6V51" (id 1) (at 158.115 92.075 0))
    (property "Footprint" "Package_TO_SOT_SMD:SOT-23-5" (id 2) (at 150.495 100.33 0))
    (property "Datasheet" "http://ww1.microchip.com/downloads/en/devicedoc/22140b.pdf" (id 3) (at 153.035 90.17 0))
    (property "PN" "MCP6V51T-E/OT" (id 4) (at 153.035 95.25 0))
    (property "supplier" "MOUSER" (id 5) (at 153.035 95.25 0))
    (pin "2")
    (pin "5")
    (pin "1")
    (pin "3")
    (pin "4")
  )
  (symbol (lib_id "Device:R") (at 123.19 101.6 180) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "R29" (id 0) (at 124.968 100.7653 0))
    (property "Value" "100R" (id 1) (at 124.968 103.3022 0))
    (property "Footprint" "Resistor_SMD:R_0805_2012Metric" (id 2) (at 124.968 101.6 90))
    (property "Datasheet" "~" (id 3) (at 123.19 101.6 0))
    (property "PN" "CRT0805-FX-1000ELF" (id 4) (at 123.19 101.6 0))
    (property "comment" "" (id 5) (at 123.19 101.6 0))
    (property "supplier" "MOUSER" (id 6) (at 123.19 101.6 0))
    (pin "1")
    (pin "2")
  )
  (symbol (lib_id "power:-9V") (at 150.495 102.87 180) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "#PWR059" (id 0) (at 150.495 99.695 0))
    (property "Value" "-9V" (id 1) (at 150.495 107.3134 0))
    (property "Footprint" "" (id 2) (at 150.495 102.87 0))
    (property "Datasheet" "" (id 3) (at 150.495 102.87 0))
    (pin "1")
  )
  (symbol (lib_id "Device:FerriteBead_Small") (at 138.43 92.71 90) (unit 1)
    (in_bom yes) (on_board yes)
    (property "Reference" "FB2" (id 0) (at 138.43 88.9 90))
    (property "Value" "FerriteBead_Small" (id 1) (at 138.3919 89.8453 90))
    (property "Footprint" "Inductor_SMD:L_0603_1608Metric" (id 2) (at 138.43 94.488 90))
    (property "Datasheet" "~" (id 3) (at 138.43 92.71 0))
    (property "PN" "BLM18RK601SN1D" (id 4) (at 138.43 92.71 0))
    (property "supplier" "TME" (id 5) (at 138.43 92.71 0))
    (pin "1")
    (pin "2")
  )
  (symbol (lib_id "Device:C") (at 132.08 104.775 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "C17" (id 0) (at 135.001 103.9403 0))
    (property "Value" "1n" (id 1) (at 135.001 106.4772 0))
    (property "Footprint" "Capacitor_SMD:C_0805_2012Metric" (id 2) (at 133.0452 108.585 0))
    (property "Datasheet" "~" (id 3) (at 132.08 104.775 0))
    (property "PN" "VJ0805A102JXACW1BC" (id 4) (at 132.08 104.775 0))
    (property "supplier" "TME" (id 5) (at 132.08 104.775 0))
    (pin "1")
    (pin "2")
  )
  (symbol (lib_id "power:+9V") (at 150.495 87.63 0) (unit 1)
    (in_bom yes) (on_board yes) (fields_autoplaced)
    (property "Reference" "#PWR058" (id 0) (at 150.495 91.44 0))
    (property "Value" "+9V" (id 1) (at 150.495 84.0542 0))
    (property "Footprint" "" (id 2) (at 150.495 87.63 0))
    (property "Datasheet" "" (id 3) (at 150.495 87.63 0))
    (pin "1")
  )
)
