Electromagnetic therapeutic apparatus (1)

Published:2011/7/20 1:19:00 Author:TaoXi | Keyword: Electromagnetic, therapeutic, apparatus | From:SeekIC

The principle of the circuit The electromagnetic therapeutic apparatus circuit is composed of the power switch S1, the electromagnetic coils L1 and L2, the rectifier diodes VD1-VD5, the LED VL, the resistors Rl-R4, the potentiometer RP, the thyristor VT, the two-way trigger diode V, the capacitors C1-C3 and the constant magnetic/pulse selector switch S1, the circuit is as shown in figure 9-13. Components selection The R1-R4 use the 1/4W metal film resistor.The RP uses the organic solid potentiometer.The C1 and C2 use the 400V CBB capacitor or the polyester capacitor; C3 uses the 5OV aluminum electrolytic capacitor.The VD1-VD4 use the 5A, 400V silicon rectifier diode; VD5 uses the 1N4007 silicon rectifier diode.



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