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.
These simple weapon and target circuits with emitter and photoelectric sensor were found in a 1985...
We found this circuit in an old publication dealing with operational amplifiers. The circuit uses...
Suggested by General Electric in a 1967 documentation, this circuit replaces the Thryraton tubes used at...