Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mayank Garg0
David J. Baldwin0
Date of Patent
November 11, 2008
0Patent Application Number
117004570
Date Filed
January 31, 2007
0Patent Primary Examiner
Patent abstract
Methods and apparatus to detect impedance at an amplifier output are described. In one example, a method of determining a relative value of an amplifier output load may include determining a current provided to the amplifier output load in response to an input signal; determining a current provided to a reference load in response to a signal based on the input signal; comparing the current provided to the amplifier output load to the current provided to the reference load; and indicating a relationship between the amplifier output load and the reference load based on the current provided to the amplifier output load and the current provided to the reference load.
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