Design and Fabrication of Superconducting Double Spiral Filter

Manabu KAI; Teru NAKANISHI; Akihiko AKASEGAWA; Kazunori YAMANAKA

Design and Fabrication of Superconducting Double Spiral Filter

Manabu KAI, Teru NAKANISHI, Akihiko AKASEGAWA, Kazunori YAMANAKA

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This paper reports the design and fabrication of a miniaturized superconducting microstrip line filter using YBCO film on MgO. The filter's resonators are shaped in a double spiral, and the size of the resonators is optimized from the standpoint of the unloaded Q-factor. The 15-pole bandpass filter that has the center frequency of 1.95 GHz and the bandwidth of 20 MHz is designed in the size of 9.7 44 mm. The simulated S-parameter characteristics of the filter is corresponding to the initial design parameters. We fabricated the filter on an MgO substrate with a diameter of 2 inches. The filter had very sharp cutoff and a very low insertion loss of 0.14 dB.

Publication: IEICE TRANSACTIONS on Electronics Vol.E86-C No.12 pp.2417-2421

Publication Date: 2003/12/01

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Type of Manuscript: Special Section PAPER (Special Issue on Recent Trends on Microwave and Millimeter Wave Application Technology)

Category: Passive(Filter)

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Manabu KAI, Teru NAKANISHI, Akihiko AKASEGAWA, Kazunori YAMANAKA, "Design and Fabrication of Superconducting Double Spiral Filter" in IEICE TRANSACTIONS on Electronics, vol. E86-C, no. 12, pp. 2417-2421, December 2003, doi: .
Abstract: This paper reports the design and fabrication of a miniaturized superconducting microstrip line filter using YBCO film on MgO. The filter's resonators are shaped in a double spiral, and the size of the resonators is optimized from the standpoint of the unloaded Q-factor. The 15-pole bandpass filter that has the center frequency of 1.95 GHz and the bandwidth of 20 MHz is designed in the size of 9.7 44 mm. The simulated S-parameter characteristics of the filter is corresponding to the initial design parameters. We fabricated the filter on an MgO substrate with a diameter of 2 inches. The filter had very sharp cutoff and a very low insertion loss of 0.14 dB.
URL: https://globals.ieice.org/en_transactions/electronics/10.1587/e86-c_12_2417/_p

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@ARTICLE{e86-c_12_2417,
author={Manabu KAI, Teru NAKANISHI, Akihiko AKASEGAWA, Kazunori YAMANAKA, },
journal={IEICE TRANSACTIONS on Electronics},
title={Design and Fabrication of Superconducting Double Spiral Filter},
year={2003},
volume={E86-C},
number={12},
pages={2417-2421},
abstract={This paper reports the design and fabrication of a miniaturized superconducting microstrip line filter using YBCO film on MgO. The filter's resonators are shaped in a double spiral, and the size of the resonators is optimized from the standpoint of the unloaded Q-factor. The 15-pole bandpass filter that has the center frequency of 1.95 GHz and the bandwidth of 20 MHz is designed in the size of 9.7 44 mm. The simulated S-parameter characteristics of the filter is corresponding to the initial design parameters. We fabricated the filter on an MgO substrate with a diameter of 2 inches. The filter had very sharp cutoff and a very low insertion loss of 0.14 dB.},
keywords={},
doi={},
ISSN={},
month={December},}

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TY - JOUR
TI - Design and Fabrication of Superconducting Double Spiral Filter
T2 - IEICE TRANSACTIONS on Electronics
SP - 2417
EP - 2421
AU - Manabu KAI
AU - Teru NAKANISHI
AU - Akihiko AKASEGAWA
AU - Kazunori YAMANAKA
PY - 2003
DO -
JO - IEICE TRANSACTIONS on Electronics
SN -
VL - E86-C
IS - 12
JA - IEICE TRANSACTIONS on Electronics
Y1 - December 2003
AB - This paper reports the design and fabrication of a miniaturized superconducting microstrip line filter using YBCO film on MgO. The filter's resonators are shaped in a double spiral, and the size of the resonators is optimized from the standpoint of the unloaded Q-factor. The 15-pole bandpass filter that has the center frequency of 1.95 GHz and the bandwidth of 20 MHz is designed in the size of 9.7 44 mm. The simulated S-parameter characteristics of the filter is corresponding to the initial design parameters. We fabricated the filter on an MgO substrate with a diameter of 2 inches. The filter had very sharp cutoff and a very low insertion loss of 0.14 dB.
ER -