(export (version "E")
  (design
    (source "C:\\Users\\gayli\\Documents\\Work\\SnorkelAI\\Ohm Bench\\kicad_bipolartosinglesupply_circuit\\kicad_bipolartosinglesupply_circuit.kicad_sch")
    (date "2026-02-22T11:25:15-1000")
    (tool "Eeschema 9.0.7")
    (sheet (number "1") (name "/") (tstamps "/")
      (title_block
        (title)
        (company)
        (rev)
        (date)
        (source "kicad_bipolartosinglesupply_circuit.kicad_sch")
        (comment (number "1") (value ""))
        (comment (number "2") (value ""))
        (comment (number "3") (value ""))
        (comment (number "4") (value ""))
        (comment (number "5") (value ""))
        (comment (number "6") (value ""))
        (comment (number "7") (value ""))
        (comment (number "8") (value ""))
        (comment (number "9") (value "")))))
  (components
    (comp (ref "C1")
      (value "43pF")
      (datasheet "~")
      (description "Unpolarized capacitor")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Unpolarized capacitor"))
      (libsource (lib "Device") (part "C") (description "Unpolarized capacitor"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "cap capacitor"))
      (property (name "ki_fp_filters") (value "C_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "bb1782e1-ffea-4d5b-99e1-d8a97d3a6ac1"))
    (comp (ref "C2")
      (value "1u")
      (datasheet "~")
      (description "Unpolarized capacitor")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Unpolarized capacitor"))
      (libsource (lib "Device") (part "C") (description "Unpolarized capacitor"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "cap capacitor"))
      (property (name "ki_fp_filters") (value "C_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "a83c4ad1-bf01-42b8-8367-58b619c1e61b"))
    (comp (ref "C3")
      (value "0.1u")
      (datasheet "~")
      (description "Unpolarized capacitor")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Unpolarized capacitor"))
      (libsource (lib "Device") (part "C") (description "Unpolarized capacitor"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "cap capacitor"))
      (property (name "ki_fp_filters") (value "C_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "ca1e386a-d738-4f59-b314-9bb75a078d81"))
    (comp (ref "C4")
      (value "0.1u")
      (datasheet "~")
      (description "Unpolarized capacitor")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Unpolarized capacitor"))
      (libsource (lib "Device") (part "C") (description "Unpolarized capacitor"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "cap capacitor"))
      (property (name "ki_fp_filters") (value "C_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "79f82622-ade9-454d-8603-1279851fa459"))
    (comp (ref "C5")
      (value "0.1u")
      (datasheet "~")
      (description "Unpolarized capacitor")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Unpolarized capacitor"))
      (libsource (lib "Device") (part "C") (description "Unpolarized capacitor"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "cap capacitor"))
      (property (name "ki_fp_filters") (value "C_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "0542e09d-0ff3-4d9f-9fb4-de41bdf33eaf"))
    (comp (ref "R1")
      (value "100k")
      (datasheet "~")
      (description "Resistor, US symbol")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (libsource (lib "Device") (part "R_US") (description "Resistor, US symbol"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "cbe9f8dc-3a23-400e-b312-ac9993958f42"))
    (comp (ref "R2")
      (value "23k")
      (datasheet "~")
      (description "Resistor, US symbol")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (libsource (lib "Device") (part "R_US") (description "Resistor, US symbol"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "6348ad09-cf5a-4a99-97ef-8ae70879bd4d"))
    (comp (ref "R3")
      (value "10k")
      (datasheet "~")
      (description "Resistor, US symbol")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (libsource (lib "Device") (part "R_US") (description "Resistor, US symbol"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "237829b7-7a74-4dd1-8cb9-6d30548b1b6d"))
    (comp (ref "R4")
      (value "162")
      (datasheet "~")
      (description "Resistor, US symbol")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (libsource (lib "Device") (part "R_US") (description "Resistor, US symbol"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "281bfb06-ff52-45a1-9ed8-318a39f444fe"))
    (comp (ref "R5")
      (value "10k")
      (datasheet "~")
      (description "Resistor, US symbol")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (libsource (lib "Device") (part "R_US") (description "Resistor, US symbol"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "e6708322-0eb6-4c0f-b91d-2e024ba1a35b"))
    (comp (ref "R6")
      (value "10k")
      (datasheet "~")
      (description "Resistor, US symbol")
      (fields
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (libsource (lib "Device") (part "R_US") (description "Resistor, US symbol"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "R res resistor"))
      (property (name "ki_fp_filters") (value "R_*"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "79476ad8-c406-4087-b3e8-ad23313c8e7b"))
    (comp (ref "U1")
      (value "~")
      (datasheet "https://ngspice.sourceforge.io/docs/ngspice-html-manual/manual.xhtml#sec__SUBCKT_Subcircuits")
      (description "Operational amplifier, single")
      (fields
        (field (name "Sim.Pins") "1=in+ 2=in- 3=vcc 4=vee 5=out")
        (field (name "Sim.Device") "SUBCKT")
        (field (name "Sim.Library") "${KICAD9_SYMBOL_DIR}/Simulation_SPICE.sp")
        (field (name "Sim.Name") "kicad_builtin_opamp")
        (field (name "Footprint"))
        (field (name "Datasheet") "https://ngspice.sourceforge.io/docs/ngspice-html-manual/manual.xhtml#sec__SUBCKT_Subcircuits")
        (field (name "Description") "Operational amplifier, single"))
      (libsource (lib "Simulation_SPICE") (part "OPAMP") (description "Operational amplifier, single"))
      (property (name "Sim.Pins") (value "1=in+ 2=in- 3=vcc 4=vee 5=out"))
      (property (name "Sim.Device") (value "SUBCKT"))
      (property (name "Sim.Library") (value "${KICAD9_SYMBOL_DIR}/Simulation_SPICE.sp"))
      (property (name "Sim.Name") (value "kicad_builtin_opamp"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "simulation"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "babc0de7-228e-44bf-95e6-8c745252b721"))
    (comp (ref "U2")
      (value "~")
      (datasheet "https://ngspice.sourceforge.io/docs/ngspice-html-manual/manual.xhtml#sec__SUBCKT_Subcircuits")
      (description "Operational amplifier, single")
      (fields
        (field (name "Sim.Pins") "1=in+ 2=in- 3=vcc 4=vee 5=out")
        (field (name "Sim.Device") "SUBCKT")
        (field (name "Sim.Library") "${KICAD9_SYMBOL_DIR}/Simulation_SPICE.sp")
        (field (name "Sim.Name") "kicad_builtin_opamp")
        (field (name "Footprint"))
        (field (name "Datasheet") "https://ngspice.sourceforge.io/docs/ngspice-html-manual/manual.xhtml#sec__SUBCKT_Subcircuits")
        (field (name "Description") "Operational amplifier, single"))
      (libsource (lib "Simulation_SPICE") (part "OPAMP") (description "Operational amplifier, single"))
      (property (name "Sim.Pins") (value "1=in+ 2=in- 3=vcc 4=vee 5=out"))
      (property (name "Sim.Device") (value "SUBCKT"))
      (property (name "Sim.Library") (value "${KICAD9_SYMBOL_DIR}/Simulation_SPICE.sp"))
      (property (name "Sim.Name") (value "kicad_builtin_opamp"))
      (property (name "Sheetname") (value "Root"))
      (property (name "Sheetfile") (value "kicad_bipolartosinglesupply_circuit.kicad_sch"))
      (property (name "ki_keywords") (value "simulation"))
      (sheetpath (names "/") (tstamps "/"))
      (tstamps "a5b97f60-c76a-4b72-b8bd-ac3b0c14f874")))
  (libparts
    (libpart (lib "Device") (part "C")
      (description "Unpolarized capacitor")
      (docs "~")
      (footprints
        (fp "C_*"))
      (fields
        (field (name "Reference") "C")
        (field (name "Value") "C")
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Unpolarized capacitor"))
      (pins
        (pin (num "1") (name "") (type "passive"))
        (pin (num "2") (name "") (type "passive"))))
    (libpart (lib "Device") (part "R_US")
      (description "Resistor, US symbol")
      (docs "~")
      (footprints
        (fp "R_*"))
      (fields
        (field (name "Reference") "R")
        (field (name "Value") "R_US")
        (field (name "Footprint"))
        (field (name "Datasheet") "~")
        (field (name "Description") "Resistor, US symbol"))
      (pins
        (pin (num "1") (name "") (type "passive"))
        (pin (num "2") (name "") (type "passive"))))
    (libpart (lib "Simulation_SPICE") (part "OPAMP")
      (description "Operational amplifier, single")
      (docs "https://ngspice.sourceforge.io/docs/ngspice-html-manual/manual.xhtml#sec__SUBCKT_Subcircuits")
      (fields
        (field (name "Reference") "U")
        (field (name "Value") "${SIM.PARAMS}")
        (field (name "Footprint"))
        (field (name "Datasheet") "https://ngspice.sourceforge.io/docs/ngspice-html-manual/manual.xhtml#sec__SUBCKT_Subcircuits")
        (field (name "Description") "Operational amplifier, single")
        (field (name "Sim.Pins") "1=in+ 2=in- 3=vcc 4=vee 5=out")
        (field (name "Sim.Device") "SUBCKT")
        (field (name "Sim.Library") "${KICAD9_SYMBOL_DIR}/Simulation_SPICE.sp")
        (field (name "Sim.Name") "kicad_builtin_opamp"))
      (pins
        (pin (num "1") (name "+") (type "input"))
        (pin (num "2") (name "-") (type "input"))
        (pin (num "3") (name "V+") (type "power_in"))
        (pin (num "4") (name "V-") (type "power_in"))
        (pin (num "5") (name "") (type "output")))))
  (libraries
    (library (logical "Device")
      (uri "C:\\Program Files\\KiCad\\9.0\\share\\kicad\\symbols\\/Device.kicad_sym"))
    (library (logical "Simulation_SPICE")
      (uri "C:\\Program Files\\KiCad\\9.0\\share\\kicad\\symbols\\/Simulation_SPICE.kicad_sym")))
  (nets
    (net (code "1") (name "+5V") (class "Default")
      (node (ref "C3") (pin "2") (pintype "passive"))
      (node (ref "U2") (pin "3") (pinfunction "V+") (pintype "power_in")))
    (net (code "2") (name "+15V") (class "Default")
      (node (ref "C4") (pin "2") (pintype "passive"))
      (node (ref "U1") (pin "3") (pinfunction "V+") (pintype "power_in")))
    (net (code "3") (name "+VRef 4.096V") (class "Default")
      (node (ref "R3") (pin "1") (pintype "passive")))
    (net (code "4") (name "-15V") (class "Default")
      (node (ref "C5") (pin "2") (pintype "passive"))
      (node (ref "U1") (pin "4") (pinfunction "V-") (pintype "power_in")))
    (net (code "5") (name "/Vmid") (class "Default")
      (node (ref "R1") (pin "1") (pintype "passive"))
      (node (ref "U1") (pin "2") (pinfunction "-") (pintype "input"))
      (node (ref "U1") (pin "5") (pintype "output")))
    (net (code "6") (name "/Vshift") (class "Default")
      (node (ref "C2") (pin "2") (pintype "passive"))
      (node (ref "R4") (pin "2") (pintype "passive"))
      (node (ref "R5") (pin "2") (pintype "passive"))
      (node (ref "U2") (pin "1") (pinfunction "+") (pintype "input")))
    (net (code "7") (name "GND") (class "Default")
      (node (ref "C2") (pin "1") (pintype "passive"))
      (node (ref "C3") (pin "1") (pintype "passive"))
      (node (ref "C4") (pin "1") (pintype "passive"))
      (node (ref "C5") (pin "1") (pintype "passive"))
      (node (ref "R5") (pin "1") (pintype "passive"))
      (node (ref "R6") (pin "1") (pintype "passive"))
      (node (ref "U2") (pin "4") (pinfunction "V-") (pintype "power_in")))
    (net (code "8") (name "Net-(R3-Pad2)") (class "Default")
      (node (ref "R3") (pin "2") (pintype "passive"))
      (node (ref "R4") (pin "1") (pintype "passive")))
    (net (code "9") (name "Net-(U2--)") (class "Default")
      (node (ref "C1") (pin "1") (pintype "passive"))
      (node (ref "R1") (pin "2") (pintype "passive"))
      (node (ref "R2") (pin "1") (pintype "passive"))
      (node (ref "U2") (pin "2") (pinfunction "-") (pintype "input")))
    (net (code "10") (name "Output") (class "Default")
      (node (ref "C1") (pin "2") (pintype "passive"))
      (node (ref "R2") (pin "2") (pintype "passive"))
      (node (ref "R6") (pin "2") (pintype "passive"))
      (node (ref "U2") (pin "5") (pintype "output")))
    (net (code "11") (name "Vin") (class "Default")
      (node (ref "U1") (pin "1") (pinfunction "+") (pintype "input")))))