{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/106373"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/106373","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Reconfigurable RF front end: A mixer-first architecture and tunable filters","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.","abstract_html":"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.","abstract_has_math":false,"creators":["Cao, Xuanzhen"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Electrical & Computer Engr","degree_department":null,"school":null,"contributors":["Zhou, Jin"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020-03-02T22:15:07Z","date_published":"2020-03-02T22:15:07Z","updated_at":"2026-07-22T22:24:45Z","subjects":["RF Front End","Receiver","Tunable Filter","Mixer-First Receiver","Distributedly Modulated Capacitors (DMC)"],"languages":["en"],"rights":["Copyright 2019 Xuanzhen Cao"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/106373","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Zhou, Jin"]},{"key":"dc:creator","label":"Author","values":["Cao, Xuanzhen"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2020-03-02T22:15:07Z","2022-03-03T10:15:13Z","2019-12-09","2019-12"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Electrical & Computer Engr"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["RF Front End","Receiver","Tunable Filter","Mixer-First Receiver","Distributedly Modulated Capacitors (DMC)"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2019 Xuanzhen Cao"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/106373"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["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.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2021-12-01","The student, Xuanzhen Cao, accepted the attached license on 2019-12-04 at 16:03.","The student, Xuanzhen Cao, submitted this Thesis for approval on 2019-12-04 at 16:14.","This Thesis was approved for publication on 2019-12-09 at 10:45.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14697 on 2020-02-28 at 17:23:27","Made available in DSpace on 2020-03-02T22:15:07Z (GMT). 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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.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2021-12-01","The student, Xuanzhen Cao, accepted the attached license on 2019-12-04 at 16:03.","The student, Xuanzhen Cao, submitted this Thesis for approval on 2019-12-04 at 16:14.","This Thesis was approved for publication on 2019-12-09 at 10:45.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14697 on 2020-02-28 at 17:23:27","Made available in DSpace on 2020-03-02T22:15:07Z (GMT). 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