PWM UNIPOLAR BUILDING DESIGN FOR CONTROLLING H-BRIDGE CIRCUITS USING OPERATIONAL AMPLIFIER

  • Asmar Asmar Department of Electrical Engineering University of Bangka Belitung

Abstract

Unipolar PWM control technique carried out by comparing triangular wave with two control voltages. The resulting pulses are used to control H-Bridge circuit. The technique can be done by using the functions of the operational amplifier. There are three main circuits needed is a triangular wave circuit, voltage control circuit, and a comparator circuit. With proper adjustment between the triangular waves and voltage control, voltage regulation will be obtained smooth.

Keywords: Unipolar PWM, H-Bridge, OP-Amp, Triangular Wave, Voltage Control

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Published
2014-04-30
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