A 23 GHz high-temperature superconducting microstrip filter for radio astronomy

Lu Gao; Jin Guo; Yue Hui Wang; Tao Yu; Qiang Zhang; Chun Guang Li; Xue Qiang Zhang; Hong Li; Jun Jie Li; Wu Xia Li; Chang Zhi Gu; Ji Bao Meng; Ji Feng; Yu Sheng He

doi:10.1007/s11434-009-0455-1

A 23 GHz high-temperature superconducting microstrip filter for radio astronomy

Lu Gao, Jin Guo, Yue Hui Wang, Tao Yu, Qiang Zhang, Chun Guang Li, Xue Qiang Zhang, Hong Li, Jun Jie Li, Wu Xia Li, Chang Zhi Gu, Ji Bao Meng, Ji Feng, Yu Sheng He^*

^*Corresponding author for this work

CAS - Institute of Physics

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

This paper reports a 6-pole high-temperature superconducting (HTS) microstrip bandpass filter for radio astronomy applications. The filter has a center frequency of 23 GHz and a bandwidth the 2 GHz. We have made many efforts, such as adopting 0.25-mm-thick substrate, carefully designing the housing box and filter layout, to solve the problems in realizing a K-band planar filter. A special straight-line half-wavelength resonator (center-widen resonator) was also designed to reduce the insertion loss of the filter. The measured results showed a midband insertion loss of 0.11 dB with a ripple of 0.4 dB, and a return loss better than 11.5 dB. Good agreement was obtained between simulated and measured results.

Original language	English
Pages (from-to)	3485-3488
Number of pages	4
Journal	Chinese Science Bulletin
Volume	54
Issue number	19
DOIs	https://doi.org/10.1007/s11434-009-0455-1
Publication status	Published - Oct 2009
Externally published	Yes

Keywords

High-temperature superconducting
K-band
Microwave filter
Radio astronomy

Access to Document

10.1007/s11434-009-0455-1

Cite this

@article{ad450cd9a60a42c1b4d305a9bdbb1a25,

title = "A 23 GHz high-temperature superconducting microstrip filter for radio astronomy",

abstract = "This paper reports a 6-pole high-temperature superconducting (HTS) microstrip bandpass filter for radio astronomy applications. The filter has a center frequency of 23 GHz and a bandwidth the 2 GHz. We have made many efforts, such as adopting 0.25-mm-thick substrate, carefully designing the housing box and filter layout, to solve the problems in realizing a K-band planar filter. A special straight-line half-wavelength resonator (center-widen resonator) was also designed to reduce the insertion loss of the filter. The measured results showed a midband insertion loss of 0.11 dB with a ripple of 0.4 dB, and a return loss better than 11.5 dB. Good agreement was obtained between simulated and measured results.",

keywords = "High-temperature superconducting, K-band, Microwave filter, Radio astronomy",

author = "Lu Gao and Jin Guo and Wang, \{Yue Hui\} and Tao Yu and Qiang Zhang and Li, \{Chun Guang\} and Zhang, \{Xue Qiang\} and Hong Li and Li, \{Jun Jie\} and Li, \{Wu Xia\} and Gu, \{Chang Zhi\} and Meng, \{Ji Bao\} and Ji Feng and He, \{Yu Sheng\}",

year = "2009",

month = oct,

doi = "10.1007/s11434-009-0455-1",

language = "English",

volume = "54",

pages = "3485--3488",

journal = "Chinese Science Bulletin",

issn = "1001-6538",

publisher = "Elsevier B.V.",

number = "19",

}

TY - JOUR

T1 - A 23 GHz high-temperature superconducting microstrip filter for radio astronomy

AU - Gao, Lu

AU - Guo, Jin

AU - Wang, Yue Hui

AU - Yu, Tao

AU - Zhang, Qiang

AU - Li, Chun Guang

AU - Zhang, Xue Qiang

AU - Li, Hong

AU - Li, Jun Jie

AU - Li, Wu Xia

AU - Gu, Chang Zhi

AU - Meng, Ji Bao

AU - Feng, Ji

AU - He, Yu Sheng

PY - 2009/10

Y1 - 2009/10

N2 - This paper reports a 6-pole high-temperature superconducting (HTS) microstrip bandpass filter for radio astronomy applications. The filter has a center frequency of 23 GHz and a bandwidth the 2 GHz. We have made many efforts, such as adopting 0.25-mm-thick substrate, carefully designing the housing box and filter layout, to solve the problems in realizing a K-band planar filter. A special straight-line half-wavelength resonator (center-widen resonator) was also designed to reduce the insertion loss of the filter. The measured results showed a midband insertion loss of 0.11 dB with a ripple of 0.4 dB, and a return loss better than 11.5 dB. Good agreement was obtained between simulated and measured results.

AB - This paper reports a 6-pole high-temperature superconducting (HTS) microstrip bandpass filter for radio astronomy applications. The filter has a center frequency of 23 GHz and a bandwidth the 2 GHz. We have made many efforts, such as adopting 0.25-mm-thick substrate, carefully designing the housing box and filter layout, to solve the problems in realizing a K-band planar filter. A special straight-line half-wavelength resonator (center-widen resonator) was also designed to reduce the insertion loss of the filter. The measured results showed a midband insertion loss of 0.11 dB with a ripple of 0.4 dB, and a return loss better than 11.5 dB. Good agreement was obtained between simulated and measured results.

KW - High-temperature superconducting

KW - K-band

KW - Microwave filter

KW - Radio astronomy

UR - https://www.scopus.com/pages/publications/70350605313

U2 - 10.1007/s11434-009-0455-1

DO - 10.1007/s11434-009-0455-1

M3 - Article

AN - SCOPUS:70350605313

SN - 1001-6538

VL - 54

SP - 3485

EP - 3488

JO - Chinese Science Bulletin

JF - Chinese Science Bulletin

IS - 19

ER -

A 23 GHz high-temperature superconducting microstrip filter for radio astronomy

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this