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.

| Clique na imagem para ampliar |

Absolute Value Amplifier CA3140 (CB13841E)
This circuit is from the 1977 RCA Linear Integrated Circuits Manual. The circuit has a...
IR remote control emitter (CB7020E)
This circuit was found in 1980's Radio Electronics. The circuit produces a 1500 Hz modulate 35 kHz....
Triac Power Switch (CB25074E)
The maximum power of the controlled load depends on the triac used. The circuit is from a Radio...