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Title:Reconfigurable RF front end: A mixer-first architecture and tunable filters
Author(s):Cao, Xuanzhen
Advisor(s):Zhou, Jin
Department / Program:Electrical & Computer Eng
Discipline:Electrical & Computer Engr
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):RF Front End
Tunable Filter
Mixer-First Receiver
Distributedly Modulated Capacitors (DMC)
Abstract:Two ways of achieving a reconfigurable RF receiver system, namely a mixer-first receiver system and an on-chip tunable bandpass filter, are reviewed and verified. For the mixer-first receiver, a pure passive mixer called distributedly modulated capacitor (DMC) is introduced and analyzed, then simulation in ADS is reported, the results of which prove the capability of DMC to achieve a mixer-first receiver system. In addition, a mixer-first receiver with conventional mixer and bandpass filter is designed on PCB and measured in lab. For the tunable bandpass filter, the concept of N-path filter is discussed and some simulation results are reported. Some possible improvements to N-path filter are investigated and simulated.
Issue Date:2019-12-09
Rights Information:Copyright 2019 Xuanzhen Cao
Date Available in IDEALS:2020-03-02
Date Deposited:2019-12

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