5874E)
This circuit uses an optocoupler to switch a load on the power grid. The circuit is from Electronics Now magazine, July 1995. The CA3059 is not common today.
) This variable frequency oscillator was found in an old American documentation. Transistors allow more...
Found in the September 1982 issue of Radio Electronics magazine, this circuit triggers a relay...
Using a 106 series SCR, this circuit was found in the May 1971 Radio Electronics magazine. The...