Create a schematic for Microphone preamplifier circuit. 

libSymbols:
- Amplifier_Operational:LM358
- Connector:Conn_01x02_Male
- Connector:Conn_01x04_Male
- Device:C_Polarized_Small_US
- Device:C_Small
- Device:Microphone_Condenser
- Device:R_Potentiometer_Trim_US
- Device:R_US
- power:+5V
- power:GNDA
schematicSymbols:
- libraryNickname: Device
  entryName: Microphone_Condenser
  position:
    x: 36.83
    y: 96.52
    angle: 0
  properties:
  - key: Reference
    value: MK1
    position:
      x: 40.132
      y: 96.2553
      angle: 0
  - key: Value
    value: M. Electret
    position:
      x: 33.528
      y: 97.5237
      angle: 0
- libraryNickname: Device
  entryName: R_US
  position:
    x: 185.42
    y: 88.9
    angle: 270
  properties:
  - key: Reference
    value: R4
    position:
      x: 185.42
      y: 83.82
      angle: 90
  - key: Value
    value: '470'
    position:
      x: 185.42
      y: 86.36
      angle: 90
- libraryNickname: Device
  entryName: C_Polarized_Small_US
  position:
    x: 232.41
    y: 96.52
    angle: 270
  properties:
  - key: Reference
    value: C4
    position:
      x: 232.8418
      y: 100.0998
      angle: 90
  - key: Value
    value: 10uF
    position:
      x: 232.8418
      y: 102.6367
      angle: 90
- libraryNickname: Device
  entryName: R_US
  position:
    x: 36.83
    y: 85.09
    angle: 0
  properties:
  - key: Reference
    value: R2
    position:
      x: 38.481
      y: 84.2553
      angle: 0
  - key: Value
    value: 2k2
    position:
      x: 38.481
      y: 86.7922
      angle: 0
- libraryNickname: Device
  entryName: C_Small
  position:
    x: 152.4
    y: 93.98
    angle: 0
  properties:
  - key: Reference
    value: C2
    position:
      x: 154.7241
      y: 93.1516
      angle: 0
  - key: Value
    value: 100n
    position:
      x: 154.7241
      y: 95.6885
      angle: 0
- libraryNickname: power
  entryName: GNDA
  position:
    x: 36.83
    y: 102.87
    angle: 0
  properties:
  - key: Reference
    value: '#PWR015'
    position:
      x: 36.83
      y: 109.22
      angle: 0
  - key: Value
    value: GNDA
    position:
      x: 36.83
      y: 107.3134
      angle: 0
- libraryNickname: power
  entryName: +5V
  position:
    x: 36.83
    y: 80.01
    angle: 0
  properties:
  - key: Reference
    value: '#PWR014'
    position:
      x: 36.83
      y: 83.82
      angle: 0
  - key: Value
    value: +5V
    position:
      x: 36.83
      y: 76.2
      angle: 0
- libraryNickname: power
  entryName: GNDA
  position:
    x: 142.24
    y: 102.87
    angle: 0
  properties:
  - key: Reference
    value: '#PWR019'
    position:
      x: 142.24
      y: 109.22
      angle: 0
  - key: Value
    value: GNDA
    position:
      x: 142.24
      y: 106.68
      angle: 0
- libraryNickname: Amplifier_Operational
  entryName: LM358
  position:
    x: 110.49
    y: 93.98
    angle: 0
  properties:
  - key: Reference
    value: U1
    position:
      x: 110.49
      y: 85.2002
      angle: 0
  - key: Value
    value: LM358
    position:
      x: 110.49
      y: 87.7371
      angle: 0
- libraryNickname: Device
  entryName: R_Potentiometer_Trim_US
  position:
    x: 120.65
    y: 80.01
    angle: 90
  properties:
  - key: Reference
    value: RV2
    position:
      x: 120.65
      y: 75.4212
      angle: 90
  - key: Value
    value: 100k
    position:
      x: 120.65
      y: 77.9581
      angle: 90
- libraryNickname: power
  entryName: GNDA
  position:
    x: 232.41
    y: 148.59
    angle: 0
  properties:
  - key: Reference
    value: '#PWR023'
    position:
      x: 232.41
      y: 154.94
      angle: 0
  - key: Value
    value: GNDA
    position:
      x: 232.41
      y: 153.0334
      angle: 0
- libraryNickname: Connector
  entryName: Conn_01x02_Male
  position:
    x: 256.54
    y: 81.28
    angle: 0
  properties:
  - key: Reference
    value: J4
    position:
      x: 257.2512
      y: 82.9838
      angle: 0
  - key: Value
    value: Conn_01x02_Male
    position:
      x: 255.905
      y: 80.0409
      angle: 0
- libraryNickname: power
  entryName: +5V
  position:
    x: 232.41
    y: 138.43
    angle: 0
  properties:
  - key: Reference
    value: '#PWR022'
    position:
      x: 232.41
      y: 142.24
      angle: 0
  - key: Value
    value: +5V
    position:
      x: 232.41
      y: 134.62
      angle: 0
- libraryNickname: Device
  entryName: R_US
  position:
    x: 194.31
    y: 88.9
    angle: 90
  properties:
  - key: Reference
    value: R5
    position:
      x: 194.31
      y: 83.82
      angle: 90
  - key: Value
    value: '270'
    position:
      x: 194.31
      y: 86.36
      angle: 90
- libraryNickname: power
  entryName: +5V
  position:
    x: 90.17
    y: 90.17
    angle: 0
  properties:
  - key: Reference
    value: '#PWR016'
    position:
      x: 90.17
      y: 93.98
      angle: 0
  - key: Value
    value: +5V
    position:
      x: 90.17
      y: 86.36
      angle: 0
- libraryNickname: power
  entryName: GNDA
  position:
    x: 152.4
    y: 102.87
    angle: 0
  properties:
  - key: Reference
    value: '#PWR020'
    position:
      x: 152.4
      y: 109.22
      angle: 0
  - key: Value
    value: GNDA
    position:
      x: 149.86
      y: 106.68
      angle: 0
- libraryNickname: Device
  entryName: C_Polarized_Small_US
  position:
    x: 46.99
    y: 90.17
    angle: 90
  properties:
  - key: Reference
    value: C1
    position:
      x: 46.5582
      y: 84.9208
      angle: 90
  - key: Value
    value: 10uF
    position:
      x: 46.5582
      y: 87.4577
      angle: 90
- libraryNickname: power
  entryName: GNDA
  position:
    x: 90.17
    y: 102.87
    angle: 0
  properties:
  - key: Reference
    value: '#PWR017'
    position:
      x: 90.17
      y: 109.22
      angle: 0
  - key: Value
    value: GNDA
    position:
      x: 90.17
      y: 106.68
      angle: 0
- libraryNickname: Connector
  entryName: Conn_01x04_Male
  position:
    x: 256.54
    y: 91.44
    angle: 0
  properties:
  - key: Reference
    value: J5
    position:
      x: 257.2512
      y: 93.1438
      angle: 0
  - key: Value
    value: Conn_01x04_Male
    position:
      x: 257.2512
      y: 94.4122
      angle: 0
- libraryNickname: power
  entryName: +5V
  position:
    x: 142.24
    y: 83.82
    angle: 0
  properties:
  - key: Reference
    value: '#PWR018'
    position:
      x: 142.24
      y: 87.63
      angle: 0
  - key: Value
    value: +5V
    position:
      x: 142.24
      y: 80.01
      angle: 0
- libraryNickname: Amplifier_Operational
  entryName: LM358
  position:
    x: 144.78
    y: 93.98
    angle: 0
  properties:
  - key: Reference
    value: U1
    position:
      x: 142.875
      y: 93.1453
      angle: 0
  - key: Value
    value: LM358
    position:
      x: 142.875
      y: 95.6822
      angle: 0
- libraryNickname: Device
  entryName: C_Small
  position:
    x: 200.66
    y: 96.52
    angle: 0
  properties:
  - key: Reference
    value: C3
    position:
      x: 198.3359
      y: 95.6916
      angle: 0
  - key: Value
    value: 100n
    position:
      x: 198.3359
      y: 98.2285
      angle: 0
- libraryNickname: power
  entryName: GNDA
  position:
    x: 200.66
    y: 102.87
    angle: 0
  properties:
  - key: Reference
    value: '#PWR021'
    position:
      x: 200.66
      y: 109.22
      angle: 0
  - key: Value
    value: GNDA
    position:
      x: 200.66
      y: 107.3134
      angle: 0
- libraryNickname: Device
  entryName: R_US
  position:
    x: 95.25
    y: 80.01
    angle: 90
  properties:
  - key: Reference
    value: R3
    position:
      x: 95.25
      y: 75.4212
      angle: 90
  - key: Value
    value: 4k7
    position:
      x: 95.25
      y: 77.9581
      angle: 90
- libraryNickname: Device
  entryName: R_Potentiometer_Trim_US
  position:
    x: 90.17
    y: 96.52
    angle: 0
  properties:
  - key: Reference
    value: RV1
    position:
      x: 88.5191
      y: 95.6853
      angle: 0
  - key: Value
    value: 100k
    position:
      x: 88.5191
      y: 98.2222
      angle: 0
junctions:
- position:
    x: 120.65
    y: 93.98
    angle: 0
- position:
    x: 36.83
    y: 90.17
    angle: 0
- position:
    x: 142.24
    y: 85.09
    angle: 0
- position:
    x: 200.66
    y: 88.9
    angle: 0
- position:
    x: 100.33
    y: 80.01
    angle: 0
noConnects:
- position:
    x: 124.46
    y: 80.01
    angle: null
busEntries: []
graphicalItems:
- type: wire
  points:
  - x: 232.41
    y: 148.59
  - x: 232.41
    y: 146.05
- type: wire
  points:
  - x: 29.21
    y: 114.3
  - x: 69.85
    y: 114.3
- type: wire
  points:
  - x: 36.83
    y: 88.9
  - x: 36.83
    y: 90.17
- type: wire
  points:
  - x: 168.91
    y: 114.3
  - x: 217.17
    y: 114.3
- type: wire
  points:
  - x: 234.95
    y: 96.52
  - x: 251.46
    y: 96.52
- type: wire
  points:
  - x: 36.83
    y: 101.6
  - x: 36.83
    y: 102.87
- type: wire
  points:
  - x: 236.22
    y: 91.44
  - x: 251.46
    y: 91.44
- type: wire
  points:
  - x: 222.25
    y: 114.3
  - x: 262.89
    y: 114.3
- type: wire
  points:
  - x: 172.72
    y: 88.9
  - x: 181.61
    y: 88.9
- type: wire
  points:
  - x: 168.91
    y: 109.22
  - x: 217.17
    y: 109.22
- type: wire
  points:
  - x: 227.33
    y: 93.98
  - x: 227.33
    y: 96.52
- type: wire
  points:
  - x: 200.66
    y: 88.9
  - x: 213.36
    y: 88.9
- type: wire
  points:
  - x: 118.11
    y: 93.98
  - x: 120.65
    y: 93.98
- type: wire
  points:
  - x: 49.53
    y: 90.17
  - x: 66.04
    y: 90.17
- type: wire
  points:
  - x: 217.17
    y: 114.3
  - x: 217.17
    y: 71.12
- type: wire
  points:
  - x: 236.22
    y: 81.28
  - x: 251.46
    y: 81.28
- type: wire
  points:
  - x: 90.17
    y: 90.17
  - x: 90.17
    y: 92.71
- type: wire
  points:
  - x: 36.83
    y: 90.17
  - x: 36.83
    y: 91.44
- type: wire
  points:
  - x: 99.06
    y: 80.01
  - x: 100.33
    y: 80.01
- type: wire
  points:
  - x: 142.24
    y: 83.82
  - x: 142.24
    y: 85.09
- type: wire
  points:
  - x: 236.22
    y: 83.82
  - x: 251.46
    y: 83.82
- type: wire
  points:
  - x: 232.41
    y: 146.05
  - x: 234.95
    y: 146.05
- type: wire
  points:
  - x: 74.93
    y: 71.12
  - x: 74.93
    y: 114.3
- type: wire
  points:
  - x: 222.25
    y: 71.12
  - x: 222.25
    y: 114.3
- type: wire
  points:
  - x: 100.33
    y: 91.44
  - x: 100.33
    y: 80.01
- type: wire
  points:
  - x: 100.33
    y: 91.44
  - x: 102.87
    y: 91.44
- type: wire
  points:
  - x: 90.17
    y: 100.33
  - x: 90.17
    y: 102.87
- type: wire
  points:
  - x: 232.41
    y: 138.43
  - x: 232.41
    y: 140.97
- type: wire
  points:
  - x: 100.33
    y: 80.01
  - x: 116.84
    y: 80.01
- type: wire
  points:
  - x: 29.21
    y: 109.22
  - x: 29.21
    y: 114.3
- type: wire
  points:
  - x: 168.91
    y: 71.12
  - x: 217.17
    y: 71.12
- type: wire
  points:
  - x: 78.74
    y: 80.01
  - x: 91.44
    y: 80.01
- type: wire
  points:
  - x: 227.33
    y: 93.98
  - x: 251.46
    y: 93.98
- type: wire
  points:
  - x: 262.89
    y: 114.3
  - x: 262.89
    y: 71.12
- type: wire
  points:
  - x: 222.25
    y: 71.12
  - x: 262.89
    y: 71.12
- type: wire
  points:
  - x: 120.65
    y: 93.98
  - x: 135.89
    y: 93.98
- type: wire
  points:
  - x: 222.25
    y: 109.22
  - x: 262.89
    y: 109.22
- type: wire
  points:
  - x: 142.24
    y: 85.09
  - x: 142.24
    y: 86.36
- type: wire
  points:
  - x: 227.33
    y: 96.52
  - x: 229.87
    y: 96.52
- type: wire
  points:
  - x: 93.98
    y: 96.52
  - x: 102.87
    y: 96.52
- type: wire
  points:
  - x: 163.83
    y: 114.3
  - x: 163.83
    y: 71.12
- type: wire
  points:
  - x: 152.4
    y: 85.09
  - x: 152.4
    y: 91.44
- type: wire
  points:
  - x: 232.41
    y: 140.97
  - x: 234.95
    y: 140.97
- type: wire
  points:
  - x: 29.21
    y: 71.12
  - x: 29.21
    y: 109.22
- type: wire
  points:
  - x: 168.91
    y: 71.12
  - x: 168.91
    y: 114.3
- type: wire
  points:
  - x: 198.12
    y: 88.9
  - x: 200.66
    y: 88.9
- type: wire
  points:
  - x: 69.85
    y: 109.22
  - x: 69.85
    y: 114.3
- type: wire
  points:
  - x: 36.83
    y: 90.17
  - x: 44.45
    y: 90.17
- type: wire
  points:
  - x: 142.24
    y: 85.09
  - x: 152.4
    y: 85.09
- type: wire
  points:
  - x: 142.24
    y: 101.6
  - x: 142.24
    y: 102.87
- type: wire
  points:
  - x: 190.5
    y: 88.9
  - x: 189.23
    y: 88.9
- type: wire
  points:
  - x: 36.83
    y: 80.01
  - x: 36.83
    y: 81.28
- type: wire
  points:
  - x: 200.66
    y: 88.9
  - x: 200.66
    y: 93.98
- type: wire
  points:
  - x: 74.93
    y: 109.22
  - x: 163.83
    y: 109.22
- type: wire
  points:
  - x: 152.4
    y: 102.87
  - x: 152.4
    y: 96.52
- type: wire
  points:
  - x: 200.66
    y: 99.06
  - x: 200.66
    y: 102.87
- type: wire
  points:
  - x: 69.85
    y: 109.22
  - x: 69.85
    y: 71.12
- type: wire
  points:
  - x: 29.21
    y: 71.12
  - x: 69.85
    y: 71.12
- type: wire
  points:
  - x: 219.71
    y: 143.51
  - x: 234.95
    y: 143.51
- type: wire
  points:
  - x: 163.83
    y: 71.12
  - x: 74.93
    y: 71.12
- type: wire
  points:
  - x: 163.83
    y: 114.3
  - x: 74.93
    y: 114.3
- type: wire
  points:
  - x: 236.22
    y: 88.9
  - x: 251.46
    y: 88.9
- type: wire
  points:
  - x: 120.65
    y: 83.82
  - x: 120.65
    y: 93.98
- type: wire
  points:
  - x: 29.21
    y: 109.22
  - x: 69.85
    y: 109.22
globalLabels: []
sheetInstances: []
