This Intersil circuit was found in a 1980s documentation. Operational are of the time, but current equivalents can be experienced. The graph with the circuit performance is given next to the diagram.
This protection circuit short-circuits a load when the voltage exceeds a certain value causing the...
This circuit, which can be used as a shield, was found in General Electric documentation from the...
This circuit has the muting action delayed by the action of C5. The circuit is from the SGS linear...