Ultra-low phase noise oscillator employing mixed electric and magnetic coupling resonator

Cai, Z; Yang, Y; Tang, X; Li, Z; Zhang, T; Zhu, H

Ultra-low phase noise oscillator employing mixed electric and magnetic coupling resonator

Cai, Z Yang, Y

Tang, X Li, Z Zhang, T Zhu, H

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Publisher:: WILEY
Publication Type:: Journal Article
Citation:: Microwave and Optical Technology Letters, 2020, 62, (5), pp. 1914-1919
Issue Date:: 2020-05-01

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Field	Value	Language
dc.contributor.author	Cai, Z
dc.contributor.author	Yang, Y https://orcid.org/0000-0001-7439-2156
dc.contributor.author	Tang, X
dc.contributor.author	Li, Z
dc.contributor.author	Zhang, T
dc.contributor.author	Zhu, H
dc.date.accessioned	2021-02-09T03:04:17Z
dc.date.available	2021-02-09T03:04:17Z
dc.date.issued	2020-05-01
dc.identifier.citation	Microwave and Optical Technology Letters, 2020, 62, (5), pp. 1914-1919
dc.identifier.issn	0895-2477
dc.identifier.issn	1098-2760
dc.identifier.uri	http://hdl.handle.net/10453/145974
dc.description.abstract	© 2020 Wiley Periodicals, Inc. In this article, a pair of stub-loaded interdigital hairpin resonators-based filter with high group delay and improved stopband suppression is used to design an S-band ultra-low phase noise single-ended oscillator. A transmission zero closed to the edge of passband in the filter is generated by introducing strong electric and magnetic coupling, which can improve the phase noise performance of the proposed oscillator. A low phase noise figure-of-merit (FOM) that considers both insertion loss and group delay of the feedback loop is used to evaluate the overall phase noise performance of the proposed oscillator. In order to verify the concept, the proposed oscillator is designed and fabricated. The measured results show that the oscillation frequency is 2.037 GHz with the output power of 8.92 dBm while the second harmonic suppression level is about 35.66 dB. The phase noise and the FOM of the proposed oscillator at 100 kHz frequency offset are −127.95 and −199.31 dBc/Hz, respectively. According to the open literature, this is one of the best phase noise performances of the single-ended hybrid integrated oscillators oscillating at the similar frequency range.
dc.language	English
dc.publisher	WILEY
dc.relation.ispartof	Microwave and Optical Technology Letters
dc.relation.isbasedon	10.1002/mop.32262
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0205 Optical Physics, 0906 Electrical and Electronic Engineering, 1005 Communications Technologies
dc.subject.classification	Networking & Telecommunications
dc.title	Ultra-low phase noise oscillator employing mixed electric and magnetic coupling resonator
dc.type	Journal Article
utslib.citation.volume	62
utslib.for	0205 Optical Physics
utslib.for	0906 Electrical and Electronic Engineering
utslib.for	1005 Communications Technologies
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
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2021-02-09T03:04:13Z
pubs.issue	5
pubs.publication-status	Published
pubs.volume	62
utslib.citation.issue	5

Abstract:

© 2020 Wiley Periodicals, Inc. In this article, a pair of stub-loaded interdigital hairpin resonators-based filter with high group delay and improved stopband suppression is used to design an S-band ultra-low phase noise single-ended oscillator. A transmission zero closed to the edge of passband in the filter is generated by introducing strong electric and magnetic coupling, which can improve the phase noise performance of the proposed oscillator. A low phase noise figure-of-merit (FOM) that considers both insertion loss and group delay of the feedback loop is used to evaluate the overall phase noise performance of the proposed oscillator. In order to verify the concept, the proposed oscillator is designed and fabricated. The measured results show that the oscillation frequency is 2.037 GHz with the output power of 8.92 dBm while the second harmonic suppression level is about 35.66 dB. The phase noise and the FOM of the proposed oscillator at 100 kHz frequency offset are −127.95 and −199.31 dBc/Hz, respectively. According to the open literature, this is one of the best phase noise performances of the single-ended hybrid integrated oscillators oscillating at the similar frequency range.

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http://hdl.handle.net/10453/145974