| http://www.w3.org/ns/prov#value | - Since the original carrier frequency (5 KHz), namely, the calculation period T0 (200 ??S) of ON time is a period during which PWM control patterns can well be calculated even by a one-chip microcomputer 8, it is possible to carry out PWM control at a high carrier frequency (about 20 KHz) by using a one-chip microcomputer 8.
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