FIELD: radio engineering, radio communication systems with wide-band signals. SUBSTANCE: device makes it feasible to raise degree of suppression of narrow-band interference in receivers of wide-band signals thanks to suppression of parasitic components of narrow-band interference to level at which their effect can be ignored. This is achieved thanks to insertion into device of control unit, switches and additional delay elements. EFFECT: raised degree of suppression of narrow-band interference. 3 dwg
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