Gemanium Transistors DC Amplifier (CB14775E)

This instrumentation circuit was found in the 1960 transistor application manual. More modern transistors can be used.

Comparator with hysteresis (CB5089E)
This is one of the many hysteresis comparator circuits the reader may find in this section and on this...
Power Control (CB24109E)
This circuit is from a Radio Electronics from February 1971. The SCR is load controlled and the...
Relay driver (CB20549E)
Found a documentation on PCs from 1996, this circuit can be used as a shield. The relay is rated at...