{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/108159"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/108159","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"A temperature insensitive low noise RC relaxation oscillator","abstract":"A 50 kHz temperature insensitive RC relaxation oscillator is presented. A novel RC branch, which has a zero temperature coefficient (ZTC) point in its charging curve, is used so that the period of the oscillator is insensitive to temperature variation. With the absence of current source in the RC branch, good noise performance is also achieved. Combined with the comparator offset canceling switch matrix, good temperature stability and noise performance is achieved. Fabricated in the 65 nm CMOS technology, the prototypes achieve an average inaccuracy of 7.5 ppm/° C (-40° C to 80° C), and ±.254%/0.1 V. Noise measurement shows 3.5 ppm Allan deviation with a 1 second measurement period.","abstract_html":"A 50 kHz temperature insensitive RC relaxation oscillator is presented. A novel RC branch, which has a zero temperature coefficient (ZTC) point in its charging curve, is used so that the period of the oscillator is insensitive to temperature variation. With the absence of current source in the RC branch, good noise performance is also achieved. Combined with the comparator offset canceling switch matrix, good temperature stability and noise performance is achieved. Fabricated in the 65 nm CMOS technology, the prototypes achieve an average inaccuracy of 7.5 ppm/° C (-40° C to 80° C), and ±.254%/0.1 V. Noise measurement shows 3.5 ppm Allan deviation with a 1 second measurement period.","abstract_has_math":false,"creators":["Zhao, Peihua"],"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":["Hanumolu, Pavan Kumar"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2020,"date_issued":"2020-08-26T23:58:39Z","date_published":"2020-08-26T23:58:39Z","updated_at":"2026-07-22T22:24:47Z","subjects":["RC Oscillator","Temperature Insensitive"],"languages":["en"],"rights":["Copyright 2020 Peihua Zhao"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/108159","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Hanumolu, Pavan Kumar"]},{"key":"dc:creator","label":"Author","values":["Zhao, Peihua"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2020-08-26T23:58:39Z","2022-08-26T23:58:55Z","2020-05-11","2020-05"]},{"key":"dc:type","label":"Dc Type","values":["text","Thesis"]},{"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":["RC Oscillator","Temperature Insensitive"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2020 Peihua Zhao"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/108159"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["A 50 kHz temperature insensitive RC relaxation oscillator is presented. A novel RC branch, which has a zero temperature coefficient (ZTC) point in its charging curve, is used so that the period of the oscillator is insensitive to temperature variation. With the absence of current source in the RC branch, good noise performance is also achieved. Combined with the comparator offset canceling switch matrix, good temperature stability and noise performance is achieved. Fabricated in the 65 nm CMOS technology, the prototypes achieve an average inaccuracy of 7.5 ppm/° C (-40° C to 80° C), and ±.254%/0.1 V. Noise measurement shows 3.5 ppm Allan deviation with a 1 second measurement period.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2022-05-01","The student, Peihua Zhao, accepted the attached license on 2020-05-05 at 15:52.","The student, Peihua Zhao, submitted this Thesis for approval on 2020-05-05 at 15:56.","This Thesis was approved for publication on 2020-05-11 at 06:52.","DSpace SAF Submission Ingestion Package generated from Vireo submission #15227 on 2020-08-25 at 17:29:48","Made available in DSpace on 2020-08-26T23:58:39Z (GMT). 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A novel RC branch, which has a zero temperature coefficient (ZTC) point in its charging curve, is used so that the period of the oscillator is insensitive to temperature variation. With the absence of current source in the RC branch, good noise performance is also achieved. Combined with the comparator offset canceling switch matrix, good temperature stability and noise performance is achieved. Fabricated in the 65 nm CMOS technology, the prototypes achieve an average inaccuracy of 7.5 ppm/° C (-40° C to 80° C), and ±.254%/0.1 V. Noise measurement shows 3.5 ppm Allan deviation with a 1 second measurement period.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2022-05-01","The student, Peihua Zhao, accepted the attached license on 2020-05-05 at 15:52.","The student, Peihua Zhao, submitted this Thesis for approval on 2020-05-05 at 15:56.","This Thesis was approved for publication on 2020-05-11 at 06:52.","DSpace SAF Submission Ingestion Package generated from Vireo submission #15227 on 2020-08-25 at 17:29:48","Made available in DSpace on 2020-08-26T23:58:39Z (GMT). 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