This circuit with the HA2400 was found in the March 1980 Radio Electronics magazine. The circuit has digital-gain control and must be powered by a symmetrical 15 V source.
This circuit is from National Semiconductor documentation and employs LM102 operators that are no...
This distortion circuit was found in an American publication from 1970. It can be assembled with...
This circuit consists of a Step-Down converter (voltage reducer) that can provide a 5 A output with...