This circuit drives a load with a delay given by the RC timing components. The circuit is from 1970s documentation. The diode is a general-purpose type.
This optically coupled circuit was found in the February 1968 Radio Electronics magazine. The...
This is the receiver for the CB17133E. Its main feature is that it uses only transistors. The...
This circuit, from the 1990 Motorola Dataar Databook, can use any LM139 series comparator. The circuit...