This is a battery powered 3W power amplifier using germanium transistors. The circuit is from an English documentation from 1967. The transistors are from the time.
Found in Motorola documentation from the 1980s, this circuit employs an integrated device from...
This simple regenerative receiver for the medium wave range is from a 1956 Sylvania publication. Details...
This bidirectional motor control was found in an 80's Electronic Engineering. The circuit uses a...