We found this circuit in the October 1987 Radio Electronics magazine. The circuit uses a 1-to-1 turns ratio pulse transformer to trigger the Triac.
This circuit was found in a documentation from the 50's. The transistor is made of germanium and...
This circuit is from a Japanese magazine of 1973. The circuit is designed to withdraw the power...
The difference in the circuit shown in the figure, in relation to the CIR8144r, is that it uses a...