Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven Zafonte0
Brian Otis0
Date of Patent
March 29, 2011
Patent Application Number
12020805
Date Filed
January 28, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
This document discloses, among other things, a front end circuit having a selectable center frequency. The center frequency is selected based on a control signal proportional to a phase difference between a reference frequency and an amplifier output. A resonant frequency of a tank circuit coupled to the amplifier is tuned using the control signal.
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