FIELD: radio engineering, control of power connected with power amplifier in a portable radio telephone. SUBSTANCE: the circuit has a power amplifier, power supply, power feed controller, cut in between the power supply and the power amplifier, for regulation of voltage applied to the power amplifier, and a control unit connected to the power feed controller, for control of the regulated voltage of the power feed controller in accordance with the transmission power required in the zone of action of a strong or weak electric field and/or required in the mode of frequency modulation or in the mode of multiple access with a code separation of channels. EFFECT: improved control of power of a two-mode portable radio telephone by control of power in accordance with one of the two modes and in accordance with the required level of transmitted output signal. 21 cl, 7 dwg, 1 tbl
