This control circuit using a low voltage switch was found in the September 1987 Radio Electronics magazine. The triac must be matched to the load and the mains voltage.
This circuit was found in documentation from the 1980s requiring a variable power supply from 0 to...
In the figure we have an amplifier configuration found in an 80's documentation. The power supply is...
This circuit was suggested by a 1967 General Electric manual. The waveforms of the generated...