Transistor breakdown (CB21393E)

This inverse transistor breakdown circuit was found in a 1967 documentation. It applies to modern components.

Optoelectronic Detector (CB4615E)
In this circuit the photo-transistor signal is amplified by a Darlington step and then applied to a...
Complementary Light Control (CB5274E)
This circuit makes simultaneous control of two up to 150 W incandescent lamps. The circuit is half wave...
Piezoelectric Driver 2 (CB21148E)
This circuit uses an integrated CMOS having the frequency determined by the resistors and...