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ESG E4438C In-built modulator Imbalance Block

Question asked by bc.aparna on Apr 7, 2016
Latest reply on May 4, 2016 by EricBaker

I am looking for some information on how the imbalance block in the modulator of ESG E4438 C is modeled. To be precise, if the gain imbalance and quadrature phase angle adjustment are the imbalance parameters in the quadrature arm only or equally split between the I and Q arms? Say, I specify a phase imbalance of -5 deg under the option of 'quadrature skew' angle adjustment, would the imbalance just be an offset from the Q' arm or '-2.5 deg' in both, the I and Q arms? I need the precise information because the inverse imbalance block for compensation would be modeled accordingly.

Thanks  !