This circuit was taken from the 1960's Mullard Transistor Manual. Information about the coils is given along with the diagram.
This circuit uses an optocoupler to obtain a solid state relay whose power depends on the Triac...
Small time intervals up o some minutes can be achieved with this circuit. Only incandescent lamps...
We have a simple and useful circuit found in a 1982 documentation which generates a signal in the...