FIELD: radio engineering. SUBSTANCE: device designed for suppressing broadband phase-keyed noise at input of receiver for any signals irrespective of whether carrier occurring in preset frequency interval is known or unknown has delay circuits 1, 7, 10, multipliers 2, 4, rejection filter 3, attenuator 5, commutator 6, clipper 8, phase demodulator 9, noise detector 11, amplifier 12, adder 13, and DC voltage supply 14. EFFECT: enlarged functional capabilities. 4 dwg
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