This circuit is from an old American publication, using transistors of the time and operating with a 48 V power source. The load is 2.2 ohm, and the transistors must be replaced by modern equivalents.
Found in an English Maplin documentation from 1983, this circuit generates separate frequency...
This high input impedance circuit uses a symmetrical source. Found in the October 1993 issue of...
Currents up to 1.5 A can be regulated with this circuit. The resistor R that determines the...