The use of a diac improves the performance of the two dimmers in the previous circuits. The circuit is from the same Radio Electronics magazine in an article that teaches how to use triacs.
Found in the July 1970 Radio Electronics magazine, this circuit has an adjustable activation time...
This circuit was originally suggested in a 1968 publication to generate a white mark (frame) on a...
This circuit was found in a Signetics documentation from the 1980s. Next to the figure are the...