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gain mismatch and phase mismatch measurement

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tycheng

tycheng

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Hello everyone,

Does there anyone know how to measure the gain mismatch and phase mismatch of this IQ reveiver front end?

......................................|-->gilber cell mixer---> I channel
input RF signal--> LNA--> |
......................................|-->gilber cell mixer---> Q channel


Thank you for your help........:D
 

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