Shunt motor control (CB7939E)

Found in 1965 General Electric technical documentation, this half-wave circuit controls shunt type motors of maximum 1 A with voltage up to 400 V.

| Clique na imagem para ampliar |

LM3914 Moving Point Voltmeter (CB25450S)
We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a...
Adjustable Field Strength| Meter (CB5188E)
The circuit presented may use any general purpose transistor. The indicator is an LED and...
5 W Class Amplifier (CB13674E)
This unusual audio amplifier configuration was obtained in a 1974 documentation. The PNP...