NASA NTRS · 19860000417
Pulse-Width Proportional-Controller Circuit
Abstract
Proportional controller for motor speed provides full 0- to 100-percent linear control of durations of motor-driving pulses. Controller uses commercially available LM3900 integrated circuit, which requires only single supply voltage of 4 to 30 V. Control voltage provided by adjustable potentiometer or by external source of feedback information such as motor-speed sensing circuit.
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Clukey, R. W.. 1986-09-01. Pulse-Width Proportional-Controller Circuit. https://ntrs.nasa.gov/citations/19860000417
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