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.
Based on the operational amplifier 741 this circuit can be found elsewhere on this site. This...
We found this circuit in an integrated circuit cookbook from 1974. The circuit can provide larger...
This circuit was found in a 1973 Radio Elettronica magazine from Italy. The circuit can be...