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"Driving a DC motor"

How can I drive dc motor whose input voltage is from 0 to 100 volts, 3 amps using Labview 5.1 and a data acquisition card PC-LPM-16PNP on Windows 98 platform. Thanks.
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One way to do this if you have your 100 V DC power supply routed through a power mosfet. Use the DAQ board to generate a pulse train with varying duty cycle to gate the transistor. I have seen this done with a larger motor.
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