Siren Oscillator (CB8449E)

This circuit was found in a 90s European documentation. The circuit already includes a powerful amplification stage. The MOSFET can be of any type.

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Progressive Switch (CB16940E)
When S1 is closed, the L1 lamp turns on and the L2 lamp turns off. The circuit is powered...
Light Controlled Oscillator (CB16728E)
This is yet another version of the light-controlled oscillator that can be found on this website. This...
DC Motor and Stepper Controls with the A3906 (CB12777E)
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...