This full-wave dimmer with SCRs was found in General Electric documentation from 1965. The circuit uses a unijunction and serves only for incandescent lamps.
Using a piezoelectric sensor of the time, this circuit was found in the February 1994 issue of...
This circuit turns off after a time given by capacitor C1. This component can have from 1 to 1,000...
The circuit presented is from the 1994 Linear Applications Handbook from National Semiconductor. The circuit...