Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joon-Hyun Baek0
Hyun-Seok Kim0
Date of Patent
December 15, 2009
0Patent Application Number
120753200
Date Filed
March 11, 2008
0Patent Primary Examiner
Patent abstract
A signal generation apparatus includes a signal generation portion and a phase compensator. The phase compensator generates a phase error control signal that maintains a phase difference between the in-phase and quadrature-phase signals generated by the signal generation portion. The phase compensator includes an offset compensator and a delay compensator. The offset compensator is set to compensate for an offset voltage through the phase compensator. The delay compensator is set to compensate for a difference of delays through paths for the in-phase and quadrature-phase signals within the phase compensator.
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