Triggered Oscillator (CB18275E)

The circuit shown in the figure generates a rectangular signal that depends on R and C, when its input goes to the high level.

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SCR Power Control (CB4678E)
This is a slightly different configuration of full-wave power control than we found in an old...
Timer (CB23713E)
This 1-transistor timer was published in Radio Electronics magazine in December 1960. The circuit has...
Automatic speed regulator for DC motors (CB23722E)
This type of circuit is widely used in old cassette recorders and tape players, regulating the...