Driver Darlington (CB8957E)

This circuit was obtained in a 1960 documentation of General Electric. It is applied in the control of registers of the time.

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Flashlight Remote Control (CB10851E)
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
Varicap Oscillator (CB15538E)
Using a 100 uH inductor for L1, this circuit will oscillate around 1 MHz. The frequency will be...
Solenoid Driver (CB5184E)
This low current solenoid driver was found in an ancient American documentation. The solenoid must be...