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 configuration based on a conventional astable multivibrator was found in a 1982 publication. The...
Operational amplifiers used in this 80's circuit is not very common today, but the setting can be...
This circuit was found in an Electronic Design from 1967. The circuit uses two triacs being T2...