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Title:CMOS integrated commutated circuits for interference filtering at radio-frequency
Author(s):Sha, Mengze
Advisor(s):Zhou, Jin
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
commutated capacitors
mixer-first receiver
high linearity
N-path filter
linear periodically time-variant (LPTV) circuit
Abstract:Two ways of interference filtering, namely mixer-first receiver with acoustic filter load and N-path low pass filter (LPF), are presented and verified. The passive mixer-first architecture provides high linearity and reconfigurability. The acoustic load at intermediate frequency ensures good selectivity. Thereceiver operates at 3.5-to-6.2 GHz and achieves IIP3 of >+27 dBm at 1xBW offset with a minimum NF of 9.7 dB in measurement. For the N-path LPF, a mathematical analysis on N-path LPF is given, and a good match between theoretical plots and Cadence simulation is reported.
Issue Date:2021-07-22
Rights Information:Copyright 2021 Mengze Sha
Date Available in IDEALS:2022-01-12
Date Deposited:2021-08

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