Motor Control uA7391 (CB26222E)

This motor speed control with tachometer sensor was found in the 1993 Radio Experimenter Special Projects. The maximum current is 2.4 A.

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VU meter LM3914 (CB25460E)
Found in the March 1992 Radio Electronics magazine, this circuit has two supply voltages. The...
FM AC Transmitter (CB20347E)
This transmitter, indicated for espionage applications, is permanently powered by the power grid....
Oscillator (CB6000E)
This oscillator or clock generator generates rectangular signals and frequencies up to 100 kHz....