Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Po-Chih Wang0
Date of Patent
April 13, 2010
0Patent Application Number
121340140
Date Filed
June 5, 2008
0Patent Primary Examiner
Patent abstract
An amplifying circuit and an associated linearity improving method are provided to correct the AM to PM distortion of an amplifier, thereby improving the amplifier linearity. The amplifying circuit includes an amplifier and a correcting unit. The amplifier has a non-linear input capacitor. The correcting unit generates a correction signal according to an input signal of the amplifier, and performs an AM to PM correction according to the correction signal, thereby making the amplifier have an approximately linear equivalent input capacitor.
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