A 15-pole high temperature superconductor filter for radar applications | |
Yu, Xiao1,2; Xi, Weibin1; Wu, Songtao1,2 | |
刊名 | SUPERCONDUCTOR SCIENCE & TECHNOLOGY |
2018-06-01 | |
卷号 | 31期号:6页码:5 |
关键词 | HTS filter high selective high first harmonic frequency interdigital structure resonator |
ISSN号 | 0953-2048 |
DOI | 10.1088/1361-6668/aabbf5 |
英文摘要 | This paper presents a compact and high first harmonic frequency resonator. The characteristics of this resonator are theoretically analyzed. A highly selective 15-pole Chebyshev high temperature superconducting ultra-high frequency narrowband filter for radar applications was fabricated by using this resonator. The filter has a center frequency of 495 MHz and a fractional bandwidth of 1%. The first harmonic frequency is more than 3.3 times the fundamental frequency. The measured filter shows excellent selectivity, better than 85 dB/1 MHz skirt slopes, and more than 85 dB of rejection at 497.5 MHz from the band edge. The filter was fabricated on a 2 inch YBCO thin film with a 0.5 mm thick MgO substrate. The experimental results are consistent with the simulations. |
WOS关键词 | BANDPASS FILTER ; UHF BAND ; MICROSTRIP FILTER ; RADIO ASTRONOMY ; BASE STATIONS ; HTS FILTER ; PERFORMANCE ; ATTENUATION ; DESIGN |
WOS研究方向 | Physics |
语种 | 英语 |
出版者 | IOP PUBLISHING LTD |
WOS记录号 | WOS:000431435600001 |
内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/35352] |
专题 | 合肥物质科学研究院_中科院等离子体物理研究所 |
通讯作者 | Xi, Weibin |
作者单位 | 1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Yu, Xiao,Xi, Weibin,Wu, Songtao. A 15-pole high temperature superconductor filter for radar applications[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY,2018,31(6):5. |
APA | Yu, Xiao,Xi, Weibin,&Wu, Songtao.(2018).A 15-pole high temperature superconductor filter for radar applications.SUPERCONDUCTOR SCIENCE & TECHNOLOGY,31(6),5. |
MLA | Yu, Xiao,et al."A 15-pole high temperature superconductor filter for radar applications".SUPERCONDUCTOR SCIENCE & TECHNOLOGY 31.6(2018):5. |
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