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.
This circuit is an improved version of the previous CIR1567E with greater reach being able to...
Found in a General Electric documentation from 1970, this circuit consists of a relaxation...
This charger for small batteries was obtained from the 1982 Radio Experimenter Handbook. The...