Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 20, 2007
Patent Application Number
10868810
Date Filed
June 17, 2004
Patent Primary Examiner
Patent abstract
A carrier detecting circuit which generates a carrier detection level by integral action based on a reception signal and detects using the carrier detection level whether a carrier exists is disclosed and includes an integration capacitor that is charged and discharged using a difference current between a current charged from a charging circuit and a current discharged to a discharging circuit, where the charging circuit and the discharging circuit are provided in an integrator which performs the integral action.
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