This circuit is from a 1966 Motorola Field Effect Transistors Manual. The circuit makes use of other components from the time. Modern equivalents can be tested.
This circuit can be used in alarms by activating a relay or a current load that depends on the...
The circuit given below was found in the National Semiconductor Linear Applications Handbook. The...
The current of this circuit is determined by a PNP transistor. The circuit is suggested by Texas...