FIELD: radio engineering; power control devices incorporating overload protective gear. SUBSTANCE: device has transistor radio transmitter, output power sensor, first comparison unit built around adjustable-gain operational amplifier, second comparison unit built around operational amplifier, analog switch, adder built around operational amplifier, adjustable voltage regulator with current sensor at output, third comparison unit built around operational amplifier, threshold element, and adjustable reference-voltage source; radio transmitter has power amplifier and matching unit and is loaded into antenna. EFFECT: improved reliability of radio transmitter. 1 dwg
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