mdac-attenuator.net

(export (version D)
  (design
    (source /Users/max/git/preamp-two/PCBs/mdac-attenuator/mdac-attenuator.sch)
    (date "Saturday, 05 January 2019 at 22:00:50")
    (tool "Eeschema (5.0.2-4-gb601aea34)")
    (sheet (number 1) (name /) (tstamps /)
      (title_block
        (title)
        (company)
        (rev)
        (date)
        (source mdac-attenuator.sch)
        (comment (number 1) (value ""))
        (comment (number 2) (value ""))
        (comment (number 3) (value ""))
        (comment (number 4) (value "")))))
  (components
    (comp (ref U1)
      (value AD8599)
      (footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm)
      (datasheet http://www.analog.com/media/en/technical-documentation/data-sheets/AD8610_8620.pdf)
      (libsource (lib Amplifier_Operational) (part AD8620) (description "Dual Precision, Very Low Noise, Low Input Bias Current, Wide Bandwidth JFET Operational Amplifiers, SOIC-8"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2785EB))
    (comp (ref IN1)
      (value Conn_01x03_Male)
      (footprint Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x03_Male) (description "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C278E45))
    (comp (ref OUT1)
      (value Conn_01x03_Male)
      (footprint Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x03_Male) (description "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C278E7C))
    (comp (ref PWR1)
      (value Conn_01x03_Male)
      (footprint Connector_Molex:Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x03_Male) (description "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C278E9E))
    (comp (ref J1)
      (value Conn_01x06_Male)
      (footprint Connector_Molex:Molex_KK-254_AE-6410-06A_1x06_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x06_Male) (description "Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C278F73))
    (comp (ref H1)
      (value MountingHole)
      (footprint MountingHole:MountingHole_3.2mm_M3_DIN965)
      (datasheet ~)
      (libsource (lib Mechanical) (part MountingHole) (description "Mounting Hole without connection"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2791EC))
    (comp (ref H2)
      (value MountingHole)
      (footprint MountingHole:MountingHole_3.2mm_M3_DIN965)
      (datasheet ~)
      (libsource (lib Mechanical) (part MountingHole) (description "Mounting Hole without connection"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2792E0))
    (comp (ref H3)
      (value MountingHole)
      (footprint MountingHole:MountingHole_3.2mm_M3_DIN965)
      (datasheet ~)
      (libsource (lib Mechanical) (part MountingHole) (description "Mounting Hole without connection"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279304))
    (comp (ref H4)
      (value MountingHole)
      (footprint MountingHole:MountingHole_3.2mm_M3_DIN965)
      (datasheet ~)
      (libsource (lib Mechanical) (part MountingHole) (description "Mounting Hole without connection"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279331))
    (comp (ref R2B1)
      (value 120R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2795CC))
    (comp (ref R3B1)
      (value 360R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2796E9))
    (comp (ref R4B1)
      (value 120R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279717))
    (comp (ref R4A1)
      (value 120R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C27975C))
    (comp (ref R3A1)
      (value 360R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279792))
    (comp (ref R2A1)
      (value 120R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2797D1))
    (comp (ref C6)
      (value 100nF)
      (footprint Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279BB9))
    (comp (ref C4)
      (value 100nF)
      (footprint Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279C71))
    (comp (ref C1B1)
      (value 2pF)
      (footprint Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279CAB))
    (comp (ref C7)
      (value 100nF)
      (footprint Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279CE6))
    (comp (ref C1A1)
      (value 2pF)
      (footprint Capacitor_SMD:C_0805_2012Metric_Pad1.15x1.40mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279D2C))
    (comp (ref C5_SMD1)
      (value CP)
      (footprint Capacitor_SMD:CP_Elec_8x10)
      (datasheet ~)
      (libsource (lib Device) (part CP) (description "Polarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279E24))
    (comp (ref C5_TH1)
      (value CP)
      (footprint Capacitor_THT:CP_Radial_D10.0mm_P5.00mm)
      (datasheet ~)
      (libsource (lib Device) (part CP) (description "Polarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279EBD))
    (comp (ref C2_SMD1)
      (value CP)
      (footprint Capacitor_SMD:CP_Elec_8x10)
      (datasheet ~)
      (libsource (lib Device) (part CP) (description "Polarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279F00))
    (comp (ref C3_SMD1)
      (value CP)
      (footprint Capacitor_SMD:CP_Elec_8x10)
      (datasheet ~)
      (libsource (lib Device) (part CP) (description "Polarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279F46))
    (comp (ref C2_TH1)
      (value CP)
      (footprint Capacitor_THT:CP_Radial_D10.0mm_P5.00mm)
      (datasheet ~)
      (libsource (lib Device) (part CP) (description "Polarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279F8E))
    (comp (ref C3_TH1)
      (value CP)
      (footprint Capacitor_THT:CP_Radial_D10.0mm_P5.00mm)
      (datasheet ~)
      (libsource (lib Device) (part CP) (description "Polarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C279FDB))
    (comp (ref U2)
      (value DAC8812ICPWG4)
      (footprint Package_SO:TSSOP-16_4.4x5mm_P0.65mm)
      (libsource (lib DAC8812) (part DAC8812ICPWG4) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C27AA8A))
    (comp (ref R1B1)
      (value 91R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C28340F))
    (comp (ref R1A1)
      (value 91R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C283465))
    (comp (ref LED1)
      (value LED)
      (footprint LED_SMD:LED_1206_3216Metric)
      (datasheet ~)
      (libsource (lib Device) (part LED) (description "Light emitting diode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C5CA887))
    (comp (ref R1)
      (value R)
      (footprint Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C5CA94A))
    (comp (ref J2)
      (value Conn_01x06_Male)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Connector) (part Conn_01x06_Male) (description "Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C61BA1E))
    (comp (ref LOGO2)
      (value Logo_Open_Hardware_Small)
      (footprint Symbol:OSHW-Logo_7.5x8mm_SilkScreen)
      (datasheet ~)
      (libsource (lib Graphic) (part Logo_Open_Hardware_Small) (description "Open Hardware logo, small"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2F7CCE))
    (comp (ref LOGO1)
      (value Logo_Open_Hardware_Small)
      (footprint Symbol:OSHW-Logo_7.5x8mm_SilkScreen)
      (datasheet ~)
      (libsource (lib Graphic) (part Logo_Open_Hardware_Small) (description "Open Hardware logo, small"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5C2AEB25)))
  (libparts
    (libpart (lib Amplifier_Operational) (part LM2904)
      (aliases
        (alias LM358)
        (alias AD8620)
        (alias LMC6062)
        (alias LMC6082)
        (alias TL062)
        (alias TL072)
        (alias TL082)
        (alias NE5532)
        (alias SA5532)
        (alias RC4558)
        (alias RC4560)
        (alias RC4580)
        (alias LMV358)
        (alias TS912)
        (alias TSV912IDT)
        (alias TSV912IST)
        (alias TLC272)
        (alias TLC277)
        (alias MCP602)
        (alias OPA2134)
        (alias OPA2340)
        (alias OPA2376xxD)
        (alias OPA2376xxDGK)
        (alias MC33078)
        (alias MC33178)
        (alias LM4562)
        (alias OP249)
        (alias OP275)
        (alias ADA4075-2)
        (alias MCP6002-xP)
        (alias MCP6002-xSN)
        (alias MCP6002-xMS)
        (alias LM7332)
        (alias OPA2333xxD)
        (alias OPA2333xxDGK)
        (alias LMC6482)
        (alias LT1492)
        (alias LTC6081xMS8)
        (alias LM6172)
        (alias MCP6L92)
        (alias NJM2043)
        (alias NJM2114)
        (alias NJM4556A)
        (alias NJM4558)
        (alias NJM4559)
        (alias NJM4560)
        (alias NJM4580)
        (alias NJM5532)
        (alias ADA4807-2ARM)
        (alias OPA2691)
        (alias LT6233)
        (alias OPA2356xxD)
        (alias OPA2356xxDGK)
        (alias OPA1612AxD)
        (alias MC33172)
        (alias OPA1602))
      (description "Dual Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8")
      (docs http://www.ti.com/lit/ds/symlink/lm358.pdf)
      (footprints
        (fp SOIC*3.9x4.9mm*P1.27mm*)
        (fp DIP*W7.62mm*)
        (fp TO*99*)
        (fp OnSemi*Micro8*)
        (fp TSSOP*3x3mm*P0.65mm*)
        (fp TSSOP*4.4x3mm*P0.65mm*)
        (fp MSOP*3x3mm*P0.65mm*)
        (fp SSOP*3.9x4.9mm*P0.635mm*)
        (fp LFCSP*2x2mm*P0.5mm*)
        (fp *SIP*)
        (fp SOIC*5.3x6.2mm*P1.27mm*))
      (fields
        (field (name Reference) U)
        (field (name Value) LM2904))
      (pins
        (pin (num 1) (name ~) (type output))
        (pin (num 2) (name -) (type input))
        (pin (num 3) (name +) (type input))
        (pin (num 4) (name V-) (type power_in))
        (pin (num 5) (name +) (type input))
        (pin (num 6) (name -) (type input))
        (pin (num 7) (name ~) (type output))
        (pin (num 8) (name V+) (type power_in))))
    (libpart (lib Connector) (part Conn_01x03_Male)
      (description "Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x03_Male))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))))
    (libpart (lib Connector) (part Conn_01x06_Male)
      (description "Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x06_Male))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))
        (pin (num 5) (name Pin_5) (type passive))
        (pin (num 6) (name Pin_6) (type passive))))
    (libpart (lib DAC8812) (part DAC8812ICPWG4)
      (fields
        (field (name Reference) U)
        (field (name Value) DAC8812ICPWG4))
      (pins
        (pin (num 1) (name RFBA) (type BiDi))
        (pin (num 2) (name VREFA) (type input))
        (pin (num 3) (name IOUTA) (type output))
        (pin (num 4) (name AGNDA) (type power_in))
        (pin (num 5) (name AGNDB) (type power_in))
        (pin (num 6) (name IOUTB) (type output))
        (pin (num 7) (name VREFB) (type input))
        (pin (num 8) (name RFBB) (type BiDi))
        (pin (num 9) (name SDI) (type input))
        (pin (num 10) (name RS) (type input))
        (pin (num 11) (name CS) (type input))
        (pin (num 12) (name DGND) (type power_in))
        (pin (num 13) (name VDD) (type power_in))
        (pin (num 14) (name MSB) (type input))
        (pin (num 15) (name LDAC) (type input))
        (pin (num 16) (name CLK) (type input))))
    (libpart (lib Device) (part C)
      (description "Unpolarized capacitor")
      (docs ~)
      (footprints
        (fp C_*))
      (fields
        (field (name Reference) C)
        (field (name Value) C))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part CP)
      (description "Polarized capacitor")
      (docs ~)
      (footprints
        (fp CP_*))
      (fields
        (field (name Reference) C)
        (field (name Value) CP))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part LED)
      (description "Light emitting diode")
      (docs ~)
      (footprints
        (fp LED*)
        (fp LED_SMD:*)
        (fp LED_THT:*))
      (fields
        (field (name Reference) D)
        (field (name Value) LED))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Device) (part R)
      (description Resistor)
      (docs ~)
      (footprints
        (fp R_*))
      (fields
        (field (name Reference) R)
        (field (name Value) R))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Graphic) (part Logo_Open_Hardware_Small)
      (description "Open Hardware logo, small")
      (docs ~)
      (fields
        (field (name Reference) "#LOGO")
        (field (name Value) Logo_Open_Hardware_Small)))
    (libpart (lib Mechanical) (part MountingHole)
      (description "Mounting Hole without connection")
      (docs ~)
      (footprints
        (fp MountingHole*))
      (fields
        (field (name Reference) H)
        (field (name Value) MountingHole))))
  (libraries
    (library (logical Amplifier_Operational)
      (uri "/Library/Application Support/kicad/library/Amplifier_Operational.lib"))
    (library (logical Connector)
      (uri "/Library/Application Support/kicad/library/Connector.lib"))
    (library (logical DAC8812)
      (uri /Users/max/git/preamp-two/PCBs/mdac-attenuator/DAC8812.lib))
    (library (logical Device)
      (uri "/Library/Application Support/kicad/library/Device.lib"))
    (library (logical Graphic)
      (uri "/Library/Application Support/kicad/library/Graphic.lib"))
    (library (logical Mechanical)
      (uri "/Library/Application Support/kicad/library/Mechanical.lib")))
  (nets
    (net (code 1) (name "Net-(R3B1-Pad2)")
      (node (ref U1) (pin 1))
      (node (ref R4B1) (pin 2))
      (node (ref R3B1) (pin 2)))
    (net (code 2) (name "Net-(R3A1-Pad1)")
      (node (ref U1) (pin 7))
      (node (ref R3A1) (pin 1))
      (node (ref R4A1) (pin 2)))
    (net (code 3) (name "Net-(IN1-Pad1)")
      (node (ref R1B1) (pin 1))
      (node (ref IN1) (pin 1)))
    (net (code 4) (name "Net-(IN1-Pad3)")
      (node (ref R1A1) (pin 2))
      (node (ref IN1) (pin 3)))
    (net (code 5) (name "Net-(OUT1-Pad1)")
      (node (ref OUT1) (pin 1))
      (node (ref R4B1) (pin 1)))
    (net (code 6) (name "Net-(OUT1-Pad3)")
      (node (ref R4A1) (pin 1))
      (node (ref OUT1) (pin 3)))
    (net (code 7) (name -15V)
      (node (ref C2_TH1) (pin 2))
      (node (ref C2_SMD1) (pin 2))
      (node (ref C6) (pin 2))
      (node (ref U1) (pin 4))
      (node (ref PWR1) (pin 1)))
    (net (code 8) (name +15V)
      (node (ref U1) (pin 8))
      (node (ref C3_SMD1) (pin 1))
      (node (ref C3_TH1) (pin 1))
      (node (ref PWR1) (pin 3))
      (node (ref C4) (pin 1)))
    (net (code 9) (name "Net-(C1B1-Pad1)")
      (node (ref R3B1) (pin 1))
      (node (ref R2B1) (pin 2))
      (node (ref U2) (pin 8))
      (node (ref C1B1) (pin 1)))
    (net (code 10) (name "Net-(C1A1-Pad2)")
      (node (ref U2) (pin 1))
      (node (ref C1A1) (pin 2))
      (node (ref R3A1) (pin 2))
      (node (ref R2A1) (pin 1)))
    (net (code 11) (name "Net-(C1A1-Pad1)")
      (node (ref C1A1) (pin 1))
      (node (ref U2) (pin 3))
      (node (ref U1) (pin 6)))
    (net (code 12) (name "Net-(C1B1-Pad2)")
      (node (ref U1) (pin 2))
      (node (ref C1B1) (pin 2))
      (node (ref U2) (pin 6)))
    (net (code 13) (name "Net-(R1B1-Pad2)")
      (node (ref U2) (pin 7))
      (node (ref R1B1) (pin 2)))
    (net (code 14) (name "Net-(R1A1-Pad1)")
      (node (ref R1A1) (pin 1))
      (node (ref U2) (pin 2)))
    (net (code 15) (name "Net-(LED1-Pad1)")
      (node (ref LED1) (pin 1))
      (node (ref R1) (pin 1)))
    (net (code 16) (name VDD)
      (node (ref J2) (pin 2))
      (node (ref U2) (pin 13))
      (node (ref LED1) (pin 2))
      (node (ref U2) (pin 10))
      (node (ref J1) (pin 2))
      (node (ref C7) (pin 1))
      (node (ref C5_SMD1) (pin 1))
      (node (ref C5_TH1) (pin 1)))
    (net (code 17) (name GNDA)
      (node (ref C2_SMD1) (pin 1))
      (node (ref C5_TH1) (pin 2))
      (node (ref C5_SMD1) (pin 2))
      (node (ref C3_SMD1) (pin 2))
      (node (ref C7) (pin 2))
      (node (ref C2_TH1) (pin 1))
      (node (ref C4) (pin 2))
      (node (ref C6) (pin 1))
      (node (ref R2A1) (pin 2))
      (node (ref PWR1) (pin 2))
      (node (ref J1) (pin 1))
      (node (ref C3_TH1) (pin 2))
      (node (ref R2B1) (pin 1))
      (node (ref U2) (pin 12))
      (node (ref U1) (pin 3))
      (node (ref R1) (pin 2))
      (node (ref U1) (pin 5))
      (node (ref U2) (pin 14))
      (node (ref U2) (pin 15))
      (node (ref U2) (pin 4))
      (node (ref U2) (pin 5))
      (node (ref OUT1) (pin 2))
      (node (ref IN1) (pin 2))
      (node (ref J2) (pin 1)))
    (net (code 18) (name "Net-(J1-Pad3)")
      (node (ref J2) (pin 3))
      (node (ref J1) (pin 3)))
    (net (code 19) (name /SCK)
      (node (ref J1) (pin 4))
      (node (ref J2) (pin 4))
      (node (ref U2) (pin 16)))
    (net (code 20) (name /MOSI)
      (node (ref J2) (pin 6))
      (node (ref U2) (pin 9))
      (node (ref J1) (pin 6)))
    (net (code 21) (name /CS)
      (node (ref J2) (pin 5))
      (node (ref U2) (pin 11))
      (node (ref J1) (pin 5)))))