This circuit was suggested by General Electric / RCA in a 1980s documentation. The components are of the time and the circuit must be powered by symmetrical source.
This circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other...
Found in EEE documentation, this circuit can have the duration and frequency adjusted separately....
This logic level indicator also indicates the presence of pulsating signals through a third LED. It...