Tube Power Source (CB6743E)

This circuit is from a high voltage tube source. It does not include the filament voltage that must be supplied by a separate transformer.

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Audio Oscillator (CB10844E)
This circuit was obtained in a 1979 101 Electronics Projects. The circuit can be assembled easily,...
Hysteresis compensator (CB7980E)
Suggested by a 90's Linear Databook, this circuit compensates for capacitor hysteresis. The main...
Analog Isolator (CB13571E)
This circuit serves to isolate analog signals, for example, audio signals in a secure link...