Electronic Siren Circuit Diagram using 741 Op Amp IC

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The schematic below appears Electronic Siren Circuit Diagram using 741 versatile IC. The siren can be used as the home alarm output or automobile security system.

simple 741 siren circuit diagram

This Electronic Siren Circuit Diagram
is built by semiconductors and components such as 741 Operational
Amplifier (IC1,IC2), AC187 – T1, AC188 – T2, Resistors R1-1M ohms, R2-8
100K Ohm, Capacitors C1-0.1uF, C2-0.01uF, C3-100uF 25V electrolytic and
Ls1 8 Ohm 1W Speaker.

Actual – size, solder-side PCB layout, Component layout for the PCB, Circuit of power supply of Electronic Siren Circuit Diagram using 741 Op Amp IC can be seen in full pdf (source: electronicsmaker.com).