FIELD: electrical engineering, bridge linear amplifiers. SUBSTANCE: power supply circuit of amplifier incorporates power amplifier having power input and latitude-modulated device of type of pulse converter. Circuit includes some mentioned-above pulse converters connected in parallel and adapted for connection to D C power supply source. Each converter is meant to monitor power consumed by mentioned amplifier. All mentioned-above converters are designed for current coming from power supply source and fed into power amplifier. EFFECT: increased efficiency. 13 cl, 5 dwg
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