Design of voltage-controlled oscillator with compact size and wide tuning range

Zhang, T; Lin, J; Bao, J; Cai, Z; Yang, Y

Design of voltage-controlled oscillator with compact size and wide tuning range

Zhang, T Lin, J

Bao, J Cai, Z Yang, Y

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Publication Type:: Conference Proceeding
Citation:: 2018 Australian Microwave Symposium, AMS 2018 - Conference Proceedings, 2018, 2018-January pp. 59 - 60
Issue Date:: 2018-04-24

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Field	Value	Language
dc.contributor.author	Zhang, T	en_US
dc.contributor.author	Lin, J https://orcid.org/0000-0002-3554-7722	en_US
dc.contributor.author	Bao, J	en_US
dc.contributor.author	Cai, Z	en_US
dc.contributor.author	Yang, Y https://orcid.org/0000-0001-7439-2156	en_US
dc.date.issued	2018-04-24	en_US
dc.identifier.citation	2018 Australian Microwave Symposium, AMS 2018 - Conference Proceedings, 2018, 2018-January pp. 59 - 60	en_US
dc.identifier.isbn	9781538625682	en_US
dc.identifier.uri	http://hdl.handle.net/10453/132849
dc.description.abstract	© 2018 IEEE. In this paper, a novel frequency-tunable filter based low noise voltage-controlled oscillator (VCO) is proposed. The proposed tunable filter consists of a T-type resonator with four varactors and a pair of short-ended stubs connected with feedlines. High-Q can be achieved by introducing a transmission zero on the upper stopband, which can reduce the phase noise of the VCO. The whole size of the tunable filter is 0.002λ2g. The proposed VCO was fabricated and measured indicating a promising frequency-tuning range from 2.2 to 3.2 GHz with the second harmonic suppression level of better than 22 dB. The measured phase noise is -88-91.44dBc/Hz at 100KHz offset.	en_US
dc.relation.ispartof	2018 Australian Microwave Symposium, AMS 2018 - Conference Proceedings	en_US
dc.relation.isbasedon	10.1109/AUSMS.2018.8346981	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	Design of voltage-controlled oscillator with compact size and wide tuning range	en_US
dc.type	Conference Proceeding
utslib.citation.volume	2018-January	en_US
utslib.for	0805 Distributed Computing	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
pubs.organisational-group	/University of Technology Sydney/Students
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US
pubs.volume	2018-January	en_US

Abstract:

© 2018 IEEE. In this paper, a novel frequency-tunable filter based low noise voltage-controlled oscillator (VCO) is proposed. The proposed tunable filter consists of a T-type resonator with four varactors and a pair of short-ended stubs connected with feedlines. High-Q can be achieved by introducing a transmission zero on the upper stopband, which can reduce the phase noise of the VCO. The whole size of the tunable filter is 0.002λ2g. The proposed VCO was fabricated and measured indicating a promising frequency-tuning range from 2.2 to 3.2 GHz with the second harmonic suppression level of better than 22 dB. The measured phase noise is -88-91.44dBc/Hz at 100KHz offset.

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