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3 in 1 Sirens using Transistor | 6,966 view(s)

>3 in 1 Sirens using Transistor

This is 3 in 1 Sirens using Transistor Electro Suite, we can get 3 sound using this 3 in 1 Sirens using Transistor circuit, Fire Brigade, Police and Ambulance.

From the voltage of 12V we will get the current of about 180 mA.

Components

  • Voltage = 12 VDC
  • R1, R9 = 2K2
  • R2 = 470 ohm
  • R3 = 47 K
  • R4, R8 = 22 K
  • R5, R6, R7 = 18 K
  • R10 = 3K3
  • R11 = 1K
  • S1 = Switch 3 Ways
  • T1, T2, T3, T4 = BC547
  • T5 = BD136
  • T6 = AD162 / MJ2955
  • LS1, LS2 = Loudspeaker 8 ohm / 15 Watt
  • C1 = 100µ / 16v
  • C2 = 2µ2 / 16v
  • C3 = 10µ/16v
  • C4 = 47µ/16v
  • C5 = 22n
  • C6 = 33n
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Electro Suite

3 in 1 Sirens using Transistor

3 in 1 Sirens using Transistor - extremecircuits.net

Source : extremecircuits.net

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