This circuit was found in a 1970 IEEE publication. The circuit functions as a voltage controlled variable resistor and can be used with audio signals. Transistors admit current equivalents.
We found this circuit in the 1990 Motorola Linear Databook. The circuit must use symmetric source and has...
This circuit acts on the dynamic range of an audio signal, which can be useful for recording,...
Found in English documentation, this touch sensitive switch must be powered by an isolation...