UHF band switchable superconducting filter with  pin  diode switches | Zendy

Song Xiaoke | Zendy; Wei Bin | Zendy; Cao Bisong | Zendy; Guo Xubo | Zendy; Zhang Xiaoping | Zendy

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UHF band switchable superconducting filter with pin diode switches

Author(s) -

Song Xiaoke,

Wei Bin,

Cao Bisong,

Guo Xubo,

Zhang Xiaoping

Publication year - 2014

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2014.0818

Subject(s) - ultra high frequency , pin diode , diode , filter (signal processing) , optoelectronics , electrical engineering , materials science , superconductivity , electronic engineering , physics , engineering , quantum mechanics

A low‐loss switchable superconducting filter is presented. High Q resonators loaded with switchable superconducting interdigital capacitors are introduced. A two‐pole 2‐bit switchable high‐temperature superconducting (HTS) filter at 516 MHz with a bandwidth of 29 MHz is designed and fabricated. The measured centre frequency tuning range is 33 MHz (6.4%). In all states, the HTS filter with pin diode switches exhibits an insertion loss <0.81 dB and a good return loss better than 16.8 dB.

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