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direct conversion receiver iip2 and balun mismatch

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mesfet

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Hi all,

I saw many ieee papers describing how to improve IIP2 of direct conversion receiver by circuit design and calibration techniques. Since most of the on-chip LNA are differential, a balun is needed. Anyone has any materials on how amplitude and phase mismatches from balun affect reciver IIP2 peformance?


Thanks,
Mesfet
 

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