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 pocket radio for the medium wave band was found in the Radio Electronics magazine of January...
Other operational amplifiers of the same series can be used on this circuit found in Motorola's Linear...
This is the normal configuration of the LM12 as a high voltage amplifier. The LM12 consists of a...