Chattering preventing circuit, waveform shaping circuit including chattering preventing circuit, and three-phase motor drive control circuit including waveform shaping circuit

摘要

An object of the present invention is to provide a chattering preventing circuit, a waveform shaping circuit, and a motor drive control circuit including the chattering preventing circuit or the waveform shaping circuit, to provide an FG signal free from noise caused by chattering, without using a hysteresis comparator.