Metal Proximity Switch

Published:2011/7/7 2:34:00 Author:Felicity | Keyword: Metal Proximity Switch | From:SeekIC

Work of the circuit The circuit consists of high-frequency oscillator circuit, voltage rectifier circuit, and electronic switching circuit. (It is showed in picture 8-131.)High-frequency oscillator circuit consists of high frequency transformer T, potentiometer RPl, resistors Rl-R3, capacitor Cl-C3 and transistor Vl.Voltage rectifier circuit consists of diode VDl and VD2, capacitor C4 and resistor R4.Electronic switching circuit consists of transistor V2 and V3, potentiometer Rm, optocouplers VLC and resistors R5, R6.



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