This voltage inverter circuit was found in a Mullard transistor manual from 1960. Information on the transformers was given. Transistors are germanium types.
Found in an English documentation from 1989, this font uses current components. Rectifier bridges can...
This sensor circuit for currents of the order of nanoamperes was found in an American...
This TTL sequential flasher circuit was found in the January 1981 issue of Radio Electronics...