FIELD: radio engineering, communication.
SUBSTANCE: phase-compensating image channel suppressor in a radio signal receiver consists of a preselector, two mixers, a heterodyne, a 90° phase changer, a phase inverter, an adder and a concentrated selection filter. The suppressor further includes two resistors with the same resistance, two capacitors with the same capacitance and two signal amplitude limiters.
EFFECT: high noise-immunity and quality of radio reception owing to high degree of suppression of an image channel in a receiver.
2 dwg
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