This voltage inverter circuit was found in a Mullard transistor manual from 1960. Information on the transformers was given. Transistors are germanium types.
Using CMOS circuits and operational amplifiers of the time, this circuit was found in the...
This circuit was obtained from an English magazine from 1976. The circuit operates two LEDs and...
Although it is a common configuration today, this circuit was taken from an old publication. The...