Fast- Frequency Offset Cancellation Loop Using Low-IF Receiver and Fractional-N PLL


This brief introduces a simple circuit solution to secure loop stability of an analog-domain fast-frequency offset cancellation loop (OCL). The OCL is composed of a low-IF receiver, phase-domain frequency offset detector (OD), and fractional-N phase-locked loop (PLL). Since the OCL uses a phase-domain OD, a stability concern is essentially needed for its… (More)
DOI: 10.1109/TCSII.2006.888733


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