Optical amplification circuit used on CNC cutting machine

Published:2011/4/12 3:03:00 Author:Rebekka | Keyword: CNC cutting machine, Optical amplification | From:SeekIC

Photoelectric conversion is composed of photosensitive diode and BG1. Schmitt trigger is composed of BG2 and G3. BG4 is inverter. BG1 base potential rises at illumination. GB1 stops, BG2 works, BG2 stops, BG4 works and outputs positive signal.



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