This circuit was found in an Experimenters Handbook of the 1990s. The purpose of this circuit is to keep constant the audio signal level of a system, increasing the lower signals.
With only 1% distortion, this Motorola amplifier found in a 1968 documentation makes use of period...
This circuit generates a constant current limited by the characteristics of the operational...
With this circuit it is possible to adjust the active cycle of the generated signal in a wide...