Photoelectric motor speed signal generation circuit
Source: InternetPublisher:sigma Keywords: Optoelectronics motors signal generation Updated: 2021/10/26
Photoelectric motor speed signal generation circuit
Shown is the photoelectric motor speed signal generating circuit . A disc with slotted holes is installed on the motor shaft. When the motor rotates , the phototransistor
in the photocoupler is intermittently illuminated by light, and after amplification, it outputs a pulse signal proportional to the motor speed.
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