12 V Stabilizer (CB8803E)

Found in General Electric's 1966 documentation, this circuit uses company reference diodes, which are uncommon today.

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Code Practice Oscillator CK722 (CB23662E)
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600 MHz Frequency Counter (CB24575E)
We found this circuit in the January 1979 issue of Radio Electronics magazine. Components are...
Melody circuit (CB8007E)
Found in a 90’s Radio Electronics magazine, this circuit uses a component from the time, difficult...