FIELD: dc voltage converters. SUBSTANCE: converter has switching transistor, transformer, rectifier, filter, base resistor, control unit, plus and minus input and output leads; novelty is introduction of current transformer and pulse-width modulation controller that functions as control unit, optocoupler, control transistor, and operational amplifier, as well as two chokes, four diodes, voltage regulator diode, twenty resistors, and nine capacitors. EFFECT: enhanced efficiency. 1 cl, 1 dwg
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