Cascaded Complex ADCs With Adaptive Digital Calibration for $I/Q$ Mismatch


A complex analog-to-digital converter (ADC) intended for digital intermediate frequency (IF) receiver applications digitizes analog signals at IFs with excellent power/bandwidth efficiency. However, it is vulnerable to mismatches between its in-phase and quadrature (I/Q) paths that can dramatically degrade its performance. The proposed solution mitigates I… (More)
DOI: 10.1109/TCSI.2008.916408

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