A compact high-T <inf>c</inf> superconducting quarter-wavelength SIR bandpass filter

Zhang, T; Cai, Y; Du, J; Guo, YJ; Sun, XW

A compact high-T <inf>c</inf> superconducting quarter-wavelength SIR bandpass filter

Zhang, T

Cai, Y Du, J Guo, YJ

Sun, XW

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Publication Type:: Conference Proceeding
Citation:: 2011 International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2011, 2011, pp. 123 - 126
Issue Date:: 2011-12-01

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Field	Value	Language
dc.contributor.author	Zhang, T https://orcid.org/0000-0001-6436-125X	en_US
dc.contributor.author	Cai, Y	en_US
dc.contributor.author	Du, J	en_US
dc.contributor.author	Guo, YJ https://orcid.org/0000-0001-6008-9682	en_US
dc.contributor.author	Sun, XW	en_US
dc.date.issued	2011-12-01	en_US
dc.identifier.citation	2011 International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2011, 2011, pp. 123 - 126	en_US
dc.identifier.isbn	9781424478521	en_US
dc.identifier.uri	http://hdl.handle.net/10453/119489
dc.description.abstract	A compact high-temperature superconducting bandpass filter for wireless communications is proposed in this paper. The filter consists of four quarter-wavelength short-circuited stepped impedance resonators (SIR). A pair of transmission zeros outside the passband are introduced into the design by evaluating coupling coefficients between the four resonators for high selectivity within the frequency band of interest. The use of short-circuited quarter-wavelength SIRs has resulted in a higher spurious passband than conventional half-wavelength coupled-line filters. Based on the theoretical calculations, the filter has a compact size and exhibits a well suppressed stopband. The filter is fabricated on an MgO substrate with YBCO superconductor coating. Simulation and measurement results are presented. © 2011 IEEE.	en_US
dc.relation.ispartof	2011 International Conference on Applied Superconductivity and Electromagnetic Devices, ASEMD 2011	en_US
dc.relation.isbasedon	10.1109/ASEMD.2011.6145083	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.title	A compact high-T <inf>c</inf> superconducting quarter-wavelength SIR bandpass filter	en_US
dc.type	Conference Proceeding
utslib.for	0906 Electrical and Electronic Engineering	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/Strength - GBDTC - Global Big Data Technologies
utslib.copyright.status	closed_access	*
pubs.publication-status	Published	en_US

Abstract:

A compact high-temperature superconducting bandpass filter for wireless communications is proposed in this paper. The filter consists of four quarter-wavelength short-circuited stepped impedance resonators (SIR). A pair of transmission zeros outside the passband are introduced into the design by evaluating coupling coefficients between the four resonators for high selectivity within the frequency band of interest. The use of short-circuited quarter-wavelength SIRs has resulted in a higher spurious passband than conventional half-wavelength coupled-line filters. Based on the theoretical calculations, the filter has a compact size and exhibits a well suppressed stopband. The filter is fabricated on an MgO substrate with YBCO superconductor coating. Simulation and measurement results are presented. © 2011 IEEE.

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http://hdl.handle.net/10453/119489