We found this circuit in a Radio Electronics from April 1965. The components are from the time and the power supply is for 12 V cars. The transistor must be equipped with a good heat radiator.
We found this TTL power supply circuit in the December 1972 issue of Radio Electronics magazine. The...
This dimmer for the 120 V (117 V) network was found in the magazine Electronics Now of August...
This receiver, called Peace, was manufactured in the 1960s in Japan and was powered by a 9 V...