SCR Flasher (CB23953E)

We found this traditional flasher configuration in a June 1969 Radio Electronics magazine. SCRs are controlled by the power of the lamp.

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Integrated Continuity Tester (CB16375E)
This circuit was found in a 1982 documentation. It uses only one integrated circuit and can be...
Coded Actuator (CB16288E)
Only those who know the secret activation code will be able to turn on the device connected to...
2 Meter Amplifier (CB4887E)
This 2 meter (144 MHz) preamplifier is intended for use with portable transceivers. The...