This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
This simple PWM circuit was found in the March 1991 issue of Radio Electronics magazine. The...
This circuit generates trains of pulses in regular intervals determined by R1 and C1. The...
This configuration was obtained in a 1977 FET Databook. The circuit can be practically any JFET...