This circuit uses only transistors and was found in a 2003 documentation. Transistor 2N3055 must be mounted on a heat sink and the voltage is set to R10.
This class B circuit was found in the 1960 Mullard transistor reference manual. Transformers are...
This circuit has been found in an old American documentation and is intended for calibration of radio...
When S1 is in 1, the circuit operates with of half the total power applied to the load. When in...