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.
Mouser Electronics has in stock Amphenol FCI Booltrack ™ connectors for robust connectivity...
In the figure we show an application in which the 4093 excites a stage with 4 transistors in the...
This siren was found in a 1980s documentation. The circuit makes use of very old operational that were...