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 is an integrated clock circuit from the time and was published in the November 173 Radio...
Found in na 1980’s English magazine, this circuit produces a strong modulated tone reproduced on a...
Found in a 1964 Electronic Design, this circuit uses transistors from that time. Equivalent...