12_V_HIGH_VOLTAGE_SUPPLY_FOR_HE_NE_LASER

Published:2009/6/22 22:25:00 Author:May | From:SeekIC

T1 is a 6-V:330-V dc/dc inverter transforlrter with a 57.4:1 turn ratio, rated at 7W.R1 270-Ω resistorR2 180-kΩ resistor, 3 to 5 W C1 22-μF electrolytic capacitorC2 1-μF electrolytic capacitorC3-C6 0.02-μF capacitor，1 kV or moreD1 1N4001 diodeD2-D5 High-voltage diode（3 kV or more）Q1 TIP 140 power transistor T1 High-voltage dc-to-dc converter transformer; see text for speciftcattons All resistors are 5 to 10% tolerance, 1/4 W, unless otherwise indicated. All capacitors are 10 to 20% tolerance, rated 35 V or more, unless otherwise indicated.



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