Found in a 1964 General Electric documentation, this circuit uses PUTs that are not currently common components. By changing the capacitors, the frequency can be changed.
The gated oscillator shown here turns on when a “1" Iogic Ievel is applied to the input. The...
This circuit was obtained from an English magazine from 1985. It consists of a pulser that drives...
This is a single transistor stage for a phototransistor. The circuit is suggested by Texas...