30 MHz Amplifier (CB5939E)

This low noise circuit was obtained from a 1980s US RF publication. Transistors used are uncommon today and the gain is 19 dB..

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Touch Switch (CB5062E)
The components used in this 80's circuit are not common today. The circuit is very sensitive and must...
SP3042 Discrete Bidirectional TVS Series
April 2017 - Littelfuse's new two-way discrete TVS diodes for protection against ESD up to 30 kV...
Photoelectric Relay (CB4387E)
This circuit was obtained from a 1962 magazine. It can still be mounted to be powered from 6 V...