Obtained from the 1976 Siemens integrated circuits manual, this audio amplifier has thermal shutdown. The power supply is 12 V, as the indicated use is in the car.
This circuit, published in 1978, has an interesting function. In the 2 V test position, the...
This fail-safe circuit was found in a 1967 Electronic Design. Transistors admit modern...
This project was found in a 1982 documentation. Super-regenerative receivers can combine great...