Found in a 1967 RCA manual, this circuit uses components from the era that can be replaced by modern equivalents. The circuit is for resistive loads.
This circuit provides just over ½ W to a small speaker. We found this configuration in an old...
This circuit is from a 1967 publication, but it can be implemented with any Triac of the TIC...
This circuit, obtained from old documentation, doubles the frequency of the pulses applied to the...