@▷ Sound Generator Circuit | Diagram for Schematic

Sound Generator Circuit

Simple Sound Generator Circuit

Description

This is a real scream generator circuit suitable for any purpose like alarm or car horn.The circuit is based on two transistors Q1 and Q2.When you press the switch S2 the siren starts up moving to a high frequency.When the switch is released the tone slips down until you shift it up again by pushing the switch S2.

Sound Generator Circuit Diagram with Parts List.

Tone/Sound Frequency Generator Circuit

Scream Sound Generator Circuit

Notes.

  • Adjustment of tone quality can be obtained by different values for C2.
  • If the alarm oscillates before S2 is pressed.The transistor is leaky, replace it.
  • S1 can be used as a power switch.
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