12V Regulator (CB21178E)

Found in an American documentation, this regulator supplies a current according to the integrated circuit. In this case, this current is 1 A.

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Powerless Receiver (CB21899E)
Found in a Raytheon circuit manual from the 1960s, this circuit uses the CK722 and a...
RF probe for VOM (CB10021E)
With this circuit it is possible to measure RF signals with a common multimeter. Signals up to 200...
Binary Counter using Relays (CB6607E)
This circuit was found in a 1967 US publication. In it we have the implementation of a ring...