Create a schematic for **Astable multivibrator** 

libSymbols:
- Device:C
- Device:R
- Simulation_SPICE:VDC
- Simulation_SPICE:VPULSE
- Timer:NE555
- power:GND
- power:VDC
schematicSymbols:
- libraryNickname: Device
  entryName: C
  position:
    x: 115.57
    y: 68.58
    angle: 180
  properties:
  - key: Reference
    value: C4
    position:
      x: 118.745
      y: 67.31
      angle: 0
  - key: Value
    value: 100n
    position:
      x: 118.745
      y: 69.85
      angle: 0
- libraryNickname: Device
  entryName: R
  position:
    x: 119.38
    y: 64.77
    angle: 90
  properties:
  - key: Reference
    value: R1
    position:
      x: 119.38
      y: 58.42
      angle: 90
  - key: Value
    value: '721'
    position:
      x: 119.38
      y: 60.96
      angle: 90
- libraryNickname: Simulation_SPICE
  entryName: VDC
  position:
    x: 157.48
    y: 52.07
    angle: 0
  properties:
  - key: Reference
    value: V1
    position:
      x: 161.29
      y: 50.6702
      angle: 0
  - key: Value
    value: '12'
    position:
      x: 161.29
      y: 53.2102
      angle: 0
- libraryNickname: power
  entryName: VDC
  position:
    x: 102.87
    y: 36.83
    angle: 0
  properties:
  - key: Reference
    value: '#PWR01'
    position:
      x: 102.87
      y: 39.37
      angle: 0
  - key: Value
    value: VDC
    position:
      x: 102.87
      y: 31.75
      angle: 0
- libraryNickname: Device
  entryName: C
  position:
    x: 86.36
    y: 59.69
    angle: 90
  properties:
  - key: Reference
    value: C3
    position:
      x: 86.36
      y: 52.07
      angle: 90
  - key: Value
    value: 100n
    position:
      x: 86.36
      y: 54.61
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 102.87
    y: 76.2
    angle: 0
  properties:
  - key: Reference
    value: '#PWR02'
    position:
      x: 102.87
      y: 82.55
      angle: 0
  - key: Value
    value: GND
    position:
      x: 102.87
      y: 81.28
      angle: 0
- libraryNickname: Timer
  entryName: NE555
  position:
    x: 102.87
    y: 59.69
    angle: 0
  properties:
  - key: Reference
    value: U2
    position:
      x: 102.87
      y: 44.9326
      angle: 0
  - key: Value
    value: NE555
    position:
      x: 102.87
      y: 47.244
      angle: 0
- libraryNickname: power
  entryName: VDC
  position:
    x: 128.905
    y: 64.77
    angle: 0
  properties:
  - key: Reference
    value: '#PWR09'
    position:
      x: 128.905
      y: 67.31
      angle: 0
  - key: Value
    value: VDC
    position:
      x: 128.905
      y: 59.69
      angle: 0
- libraryNickname: power
  entryName: VDC
  position:
    x: 153.67
    y: 40.64
    angle: 0
  properties:
  - key: Reference
    value: '#PWR06'
    position:
      x: 153.67
      y: 43.18
      angle: 0
  - key: Value
    value: VDC
    position:
      x: 153.67
      y: 35.56
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 115.57
    y: 72.39
    angle: 0
  properties:
  - key: Reference
    value: '#PWR08'
    position:
      x: 115.57
      y: 78.74
      angle: 0
  - key: Value
    value: GND
    position:
      x: 115.57
      y: 77.47
      angle: 0
- libraryNickname: Device
  entryName: C
  position:
    x: 147.955
    y: 51.435
    angle: 0
  properties:
  - key: Reference
    value: C1
    position:
      x: 151.13
      y: 50.165
      angle: 0
  - key: Value
    value: 100n
    position:
      x: 151.13
      y: 52.705
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 77.47
    y: 59.69
    angle: 0
  properties:
  - key: Reference
    value: '#PWR05'
    position:
      x: 77.47
      y: 66.04
      angle: 0
  - key: Value
    value: GND
    position:
      x: 77.47
      y: 64.135
      angle: 0
- libraryNickname: power
  entryName: GND
  position:
    x: 153.67
    y: 64.77
    angle: 0
  properties:
  - key: Reference
    value: '#PWR07'
    position:
      x: 153.67
      y: 71.12
      angle: 0
  - key: Value
    value: GND
    position:
      x: 153.67
      y: 69.85
      angle: 0
- libraryNickname: power
  entryName: VDC
  position:
    x: 90.17
    y: 64.77
    angle: 90
  properties:
  - key: Reference
    value: '#PWR04'
    position:
      x: 92.71
      y: 64.77
      angle: 0
  - key: Value
    value: VDC
    position:
      x: 86.995
      y: 64.77
      angle: 90
- libraryNickname: power
  entryName: GND
  position:
    x: 66.675
    y: 70.485
    angle: 0
  properties:
  - key: Reference
    value: '#PWR03'
    position:
      x: 66.675
      y: 76.835
      angle: 0
  - key: Value
    value: GND
    position:
      x: 66.675
      y: 75.565
      angle: 0
- libraryNickname: Simulation_SPICE
  entryName: VPULSE
  position:
    x: 66.675
    y: 65.405
    angle: 0
  properties:
  - key: Reference
    value: V2
    position:
      x: 71.12
      y: 62.7352
      angle: 0
  - key: Value
    value: VPULSE
    position:
      x: 70.485
      y: 67.945
      angle: 0
junctions:
- position:
    x: 153.67
    y: 43.18
    angle: 0
- position:
    x: 115.57
    y: 64.77
    angle: 0
- position:
    x: 153.67
    y: 61.595
    angle: 0
noConnects: []
busEntries: []
graphicalItems:
- type: wire
  points:
  - x: 102.87
    y: 36.83
  - x: 102.87
    y: 49.53
- type: wire
  points:
  - x: 153.67
    y: 43.18
  - x: 153.67
    y: 40.64
- type: wire
  points:
  - x: 153.67
    y: 64.77
  - x: 153.67
    y: 61.595
- type: wire
  points:
  - x: 102.87
    y: 69.85
  - x: 102.87
    y: 76.2
- type: wire
  points:
  - x: 77.47
    y: 59.69
  - x: 82.55
    y: 59.69
- type: wire
  points:
  - x: 157.48
    y: 61.595
  - x: 157.48
    y: 57.15
- type: wire
  points:
  - x: 153.67
    y: 61.595
  - x: 147.955
    y: 61.595
- type: wire
  points:
  - x: 153.67
    y: 61.595
  - x: 157.48
    y: 61.595
- type: wire
  points:
  - x: 123.19
    y: 64.77
  - x: 128.905
    y: 64.77
- type: wire
  points:
  - x: 115.57
    y: 54.61
  - x: 123.19
    y: 54.61
- type: wire
  points:
  - x: 157.48
    y: 43.18
  - x: 153.67
    y: 43.18
- type: wire
  points:
  - x: 147.955
    y: 43.18
  - x: 153.67
    y: 43.18
- type: wire
  points:
  - x: 147.955
    y: 47.625
  - x: 147.955
    y: 43.18
- type: wire
  points:
  - x: 66.675
    y: 54.61
  - x: 90.17
    y: 54.61
- type: wire
  points:
  - x: 157.48
    y: 46.99
  - x: 157.48
    y: 43.18
- type: wire
  points:
  - x: 147.955
    y: 61.595
  - x: 147.955
    y: 55.245
- type: wire
  points:
  - x: 66.675
    y: 60.325
  - x: 66.675
    y: 54.61
- type: wire
  points:
  - x: 115.57
    y: 59.69
  - x: 115.57
    y: 64.77
globalLabels:
- text: U_e
  shape: input
  position:
    x: 74.93
    y: 54.61
    angle: 90
- text: U_a
  shape: input
  position:
    x: 123.19
    y: 54.61
    angle: 90
sheetInstances:
- instancePath: /
  page: '1'
