This small audio amplifier circuit in complementary symmetry was found in the 1974 Mullard Databook. The output pair can also be the BD135 and 136.
We found this circuit in a Popular Electronics from 1992. The transistor is general purpose,...
This circuit is placed after the IF of a receiver to receive SSB and CW signals. The circuit uses...
Found in a RCA manual from the 1960s, this circuit uses components from that time. It can generate...