This 5 W transistor amplifier for the car was found in an English documentation from 1969. The transistors are from that time and the transformer is of a special type.
We found this circuit for old tape recorders in the December 1972 Radio Electronics magazine. The...
I found this simple circuit from an English magazine from 1984. The circuit can be easily...
This windshield wiper interval was found in an old documentation. The SCR can be the C106 and the...