Gemanium Transistors DC Amplifier (CB14775E)

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

Regulated Inverter (CB5144E)
This DC / DC converter was found in an American 1980s documentation. It provides a negative...
Photo Trigger Using Transistors (CB864E)
This circuit uses a photo-transistor to trigger a circuit sourcing a square signal for the output. The...
Magnetic Microphone Preamplifier (CB25694E)
This circuit was found in the March 1994 issue of Electronics Now magazine. The circuit uses a...