Gemanium Transistors DC Amplifier (CB14775E)

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

Light Beam Alarm (CB25487E)
We found this circuit in the July 1992 issue of Radio Electronics magazine. An optical system...
Sequential Timer (CB10303E)
This circuit was found in a 1973 magazine, but it can still be assembled using modern equivalent...
Temperature Compensation using a Diode (CB4142E)
The circuit presented shows how to use a diode in temperature compensation of a push-pull output...