FIELD: radio engineering.
SUBSTANCE: signal search device includes control unit, reference frequency unit, receiver of radio signals, indication unit, triggered shaper of clock frequency, clock frequency memory unit, logic EXCLUSIVE OR element, phase difference shaper, comparing unit and shaper of threshold levels.
EFFECT: reducing the time for detection of communication channels at frequent frequency changes with radio stations in complicated interference conditions.
3 cl, 7 dwg
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Authors
Dates
2011-06-27—Published
2009-06-29—Filed