Device to protect bandpass power amplifier against overloads. RU patent 2450426.

FIELD: radio engineering.

SUBSTANCE: device comprises a feedback circuit, which includes a directional coupler, a detector, a control unit, a bipolar transistor, a collector connected to a common conductor, a bandpass power amplifier, the second bipolar transistor, a source of an amplified signal, the first, second and third matched load.

EFFECT: elimination of amplified signal distortion.

1 dwg

IPC classes for russian patent Device to protect bandpass power amplifier against overloads. RU patent 2450426. (RU 2450426):

H03G3/30 - in amplifiers having semiconductor devices

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