Found in a 70s RCA manual, this circuit uses transistors from the era. Equivalent types can be used such as TIP31 for Q1 and BD135 for Q2.
This amplifier, found in a 1980s documentation, should be powered by a symmetrical source. Modern...
Found in an Electronics Now from the 90s, this application uses an integrated circuit from the...
The circuit in question was found in a 1982 documentation. Its operation is as follows: since the...