Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ming-Cheng Chiang0
Date of Patent
February 12, 2008
Patent Application Number
11023579
Date Filed
December 29, 2004
Patent Primary Examiner
Patent abstract
The invention provides an apparatus and a method for adjusting an output impedance of an output stage. The apparatus comprises a detector for outputting a direct current potential corresponding to the impedance of the output stage circuit. It also comprises a controlling unit for outputting a control signal according to the direct current potential and a reference potential, and for adjusting the output impedance of the output stage according to the control signal.
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