This circuit was found in a 1980s documentation for amateur radio. The circuit makes use of components of the era, but modern equivalents can be used.
-- We find this configuration very simple in a previous American publication of 1973. The...
Bis This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine. The...
This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard...