This circuit was found in a 1980s documentation for amateur radio. The circuit makes use of components of the era, but modern equivalents can be used.
This circuit can be used to add a delay to a logic signal as shown by the input and output...
This circuit was found in a 1967 Electronics World. SCRs are according the controller load,...
This small transmitter can send its signals to a receiver placed at distances up to 100 m. The...