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