Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jiqing Cui0
Chinq-Shiun Chiu0
Date of Patent
June 2, 2009
0Patent Application Number
114699440
Date Filed
September 5, 2006
0Patent Primary Examiner
Patent abstract
A mixer and calibration method thereof are provided. A direct conversion receiver comprises a differential loading pair utilizing at least one binary weighted resistor. The binary weighted resistor is adjustable to provide a resistance linear to a digital code, comprising a fixed resistor and an adjustable resistor cascaded to the fixed resistor in parallel. Every increment of the digital code induces an equal increment of the resistance. The magnitude of every incremental resistance is below a negligible ratio of the fixed resistor.
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