Realization of HTS trisection band pass filter

Hee Sauk Jhon; Chang Hoon Jeon; Kyoung Bo Han; Seong Sik Myoung; Jong Gwan Yook; Q. X. Jia; Sang Yeol Lee

doi:10.1109/TASC.2003.813713

Realization of HTS trisection band pass filter

Hee Sauk Jhon, Chang Hoon Jeon, Kyoung Bo Han, Seong Sik Myoung, Jong Gwan Yook, Q. X. Jia, Sang Yeol Lee

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

We report characteristics of a high-temperature superconductor (HTS) bandpass filter with the designed center frequency of 11.8 GHz. An epitaxial YBa₂Cu₃O_7-x (YBCO) superconducting thin films were grown on a MgO substrate using the pulsed laser deposition(PLD) technique. Use of HTS films for microwave applications provides a realization of high performance planar filters with narrow passband and low insertion loss. We have designed and fabricated trisection bandpass filters with the center frequency of 11.8 GHz. In order to reduce the filter size, the filter was designed to have modified hairpin-type coupled lines. The film thicknesses were about 500 nm. Superconducting transition temperatures have shown to be about 89 K. The fractional bandwidth of the HTS filter was about 1.1 % and the band rejection ratio was about 296 dB/GHz. Also the performance of superconducting bandpass filter is compared with a copper filter.

Original language	English
Pages (from-to)	294-296
Number of pages	3
Journal	IEEE Transactions on Applied Superconductivity
Volume	13
Issue number	2 I
DOIs	https://doi.org/10.1109/TASC.2003.813713
Publication status	Published - 2003 Jun
Event	2002 Applied Superconductivity Conference - Houston, TX, United States Duration: 2002 Aug 4 → 2002 Aug 9

Bibliographical note

Funding Information:
Manuscript received August 9, 2002. This work was supported by Yonsei University Research Fund. H.-S. Jhon, C. H. Jeon, K. B. Han, S. S. Myoung, and J. G. Yook are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea (e-mail: dedo-1@yonsei.ac.kr; jgyook@yonsei.ac.kr). Q. X. Jia is with the Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM 87545 USA (e-mail: qxjia@lanl.gov). S. Y. Lee is with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul, 120-749, Korea (e-mail: sylee@yonsei.ac.kr) and also with the Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM 87545 USA (e-mail: sylee@lanl.gov). Digital Object Identifier 10.1109/TASC.2003.813713

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TASC.2003.813713

Cite this

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title = "Realization of HTS trisection band pass filter",

abstract = "We report characteristics of a high-temperature superconductor (HTS) bandpass filter with the designed center frequency of 11.8 GHz. An epitaxial YBa2Cu3O7-x (YBCO) superconducting thin films were grown on a MgO substrate using the pulsed laser deposition(PLD) technique. Use of HTS films for microwave applications provides a realization of high performance planar filters with narrow passband and low insertion loss. We have designed and fabricated trisection bandpass filters with the center frequency of 11.8 GHz. In order to reduce the filter size, the filter was designed to have modified hairpin-type coupled lines. The film thicknesses were about 500 nm. Superconducting transition temperatures have shown to be about 89 K. The fractional bandwidth of the HTS filter was about 1.1 % and the band rejection ratio was about 296 dB/GHz. Also the performance of superconducting bandpass filter is compared with a copper filter.",

author = "Jhon, {Hee Sauk} and Jeon, {Chang Hoon} and Han, {Kyoung Bo} and Myoung, {Seong Sik} and Yook, {Jong Gwan} and Jia, {Q. X.} and Lee, {Sang Yeol}",

note = "Funding Information: Manuscript received August 9, 2002. This work was supported by Yonsei University Research Fund. H.-S. Jhon, C. H. Jeon, K. B. Han, S. S. Myoung, and J. G. Yook are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea (e-mail: dedo-1@yonsei.ac.kr; jgyook@yonsei.ac.kr). Q. X. Jia is with the Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM 87545 USA (e-mail: qxjia@lanl.gov). S. Y. Lee is with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul, 120-749, Korea (e-mail: sylee@yonsei.ac.kr) and also with the Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM 87545 USA (e-mail: sylee@lanl.gov). Digital Object Identifier 10.1109/TASC.2003.813713; 2002 Applied Superconductivity Conference ; Conference date: 04-08-2002 Through 09-08-2002",

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AU - Jeon, Chang Hoon

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AU - Myoung, Seong Sik

AU - Yook, Jong Gwan

AU - Jia, Q. X.

AU - Lee, Sang Yeol

N1 - Funding Information: Manuscript received August 9, 2002. This work was supported by Yonsei University Research Fund. H.-S. Jhon, C. H. Jeon, K. B. Han, S. S. Myoung, and J. G. Yook are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Korea (e-mail: dedo-1@yonsei.ac.kr; jgyook@yonsei.ac.kr). Q. X. Jia is with the Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM 87545 USA (e-mail: qxjia@lanl.gov). S. Y. Lee is with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul, 120-749, Korea (e-mail: sylee@yonsei.ac.kr) and also with the Superconductivity Technology Center, Los Alamos National Laboratory, Los Alamos, NM 87545 USA (e-mail: sylee@lanl.gov). Digital Object Identifier 10.1109/TASC.2003.813713

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N2 - We report characteristics of a high-temperature superconductor (HTS) bandpass filter with the designed center frequency of 11.8 GHz. An epitaxial YBa2Cu3O7-x (YBCO) superconducting thin films were grown on a MgO substrate using the pulsed laser deposition(PLD) technique. Use of HTS films for microwave applications provides a realization of high performance planar filters with narrow passband and low insertion loss. We have designed and fabricated trisection bandpass filters with the center frequency of 11.8 GHz. In order to reduce the filter size, the filter was designed to have modified hairpin-type coupled lines. The film thicknesses were about 500 nm. Superconducting transition temperatures have shown to be about 89 K. The fractional bandwidth of the HTS filter was about 1.1 % and the band rejection ratio was about 296 dB/GHz. Also the performance of superconducting bandpass filter is compared with a copper filter.

AB - We report characteristics of a high-temperature superconductor (HTS) bandpass filter with the designed center frequency of 11.8 GHz. An epitaxial YBa2Cu3O7-x (YBCO) superconducting thin films were grown on a MgO substrate using the pulsed laser deposition(PLD) technique. Use of HTS films for microwave applications provides a realization of high performance planar filters with narrow passband and low insertion loss. We have designed and fabricated trisection bandpass filters with the center frequency of 11.8 GHz. In order to reduce the filter size, the filter was designed to have modified hairpin-type coupled lines. The film thicknesses were about 500 nm. Superconducting transition temperatures have shown to be about 89 K. The fractional bandwidth of the HTS filter was about 1.1 % and the band rejection ratio was about 296 dB/GHz. Also the performance of superconducting bandpass filter is compared with a copper filter.

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JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

IS - 2 I

T2 - 2002 Applied Superconductivity Conference

Y2 - 4 August 2002 through 9 August 2002

ER -

Realization of HTS trisection band pass filter

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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