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WCDMA receiver architecture with unique frequency plan

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4 Author(s)
Mostafa, M.A.I. ; Micro Linear Corp., San Jose, CA, USA ; Fernando, M.C. ; Chan, W.K. ; Gore, C.

A WCDMA receiver architecture is presented that utilizes the subsampling concept to down-convert the IF signal to a lower IF before being digitized. The receiver does not need an anti-aliasing filter before the ADC, only uses a single path until the ADC and generates the I and Q paths in digital domain to avoid I-Q analog mismatches. This architecture utilizes a bandpass sigma-delta ADC with 55 dB dynamic range

Published in:

ASIC/SOC Conference, 2001. Proceedings. 14th Annual IEEE International

Date of Conference: