Miniaturized HTS coplanar waveguide bandpass filters with highly packed meanderlines

H. Kanaya; T. Shinto; K. Yoshida; T. Uchiyama; Z. Wang

doi:10.1109/77.919387

Miniaturized HTS coplanar waveguide bandpass filters with highly packed meanderlines

H. Kanaya, T. Shinto, K. Yoshida, T. Uchiyama, Z. Wang

Integrated Electronic Systems

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

46 Citations (Scopus)

Abstract

Design and performance of miniaturized coplanar waveguide (CPW) bandpass filters (BPFs) using high T_c superconducting (HTS) films have been studied. In order to realize the miniaturized filters, we coupled highly packed meanderline half-wavelength resonators with interdigital gaps, where admittance inverters (J inverters) were made of interdigital gaps. The exact J values, susceptance slope parameters and the length of the resonators of the meanderline are calculated from the cascade matrix (K-matrix) and scattering matrix (S-matrix) obtained by the 2.5-dimensional electromagnetic field simulator (HP-Momentum). It is shown that the size of the filters can be greatly reduced by introducing CPW with highly packed meanderline geometry (center frequency 2GHz, fractional band width 15MHz, ripple 0.1dB) packed within 10mm square substrate. Simulated performance was in good agreement with the designed one.

Original language	English
Pages (from-to)	481-484
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	11
Issue number	1 I
DOIs	https://doi.org/10.1109/77.919387
Publication status	Published - Mar 2001
Event	2000 Applied Superconductivity Conference - Virginia Beach, VA, United States Duration: Sept 17 2000 → Sept 22 2000

All Science Journal Classification (ASJC) codes

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

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title = "Miniaturized HTS coplanar waveguide bandpass filters with highly packed meanderlines",

abstract = "Design and performance of miniaturized coplanar waveguide (CPW) bandpass filters (BPFs) using high Tc superconducting (HTS) films have been studied. In order to realize the miniaturized filters, we coupled highly packed meanderline half-wavelength resonators with interdigital gaps, where admittance inverters (J inverters) were made of interdigital gaps. The exact J values, susceptance slope parameters and the length of the resonators of the meanderline are calculated from the cascade matrix (K-matrix) and scattering matrix (S-matrix) obtained by the 2.5-dimensional electromagnetic field simulator (HP-Momentum). It is shown that the size of the filters can be greatly reduced by introducing CPW with highly packed meanderline geometry (center frequency 2GHz, fractional band width 15MHz, ripple 0.1dB) packed within 10mm square substrate. Simulated performance was in good agreement with the designed one.",

author = "H. Kanaya and T. Shinto and K. Yoshida and T. Uchiyama and Z. Wang",

note = "Funding Information: Manuscript received September 18, 2000. This work was supported in part by Grant-in-Aid for Scientific Research on Priority Aria and Encouragement of Young Scientists from the Ministry of Education, Science, Culture, and Sports.; 2000 Applied Superconductivity Conference ; Conference date: 17-09-2000 Through 22-09-2000",

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AU - Kanaya, H.

AU - Shinto, T.

AU - Yoshida, K.

AU - Uchiyama, T.

AU - Wang, Z.

N1 - Funding Information: Manuscript received September 18, 2000. This work was supported in part by Grant-in-Aid for Scientific Research on Priority Aria and Encouragement of Young Scientists from the Ministry of Education, Science, Culture, and Sports.

PY - 2001/3

Y1 - 2001/3

N2 - Design and performance of miniaturized coplanar waveguide (CPW) bandpass filters (BPFs) using high Tc superconducting (HTS) films have been studied. In order to realize the miniaturized filters, we coupled highly packed meanderline half-wavelength resonators with interdigital gaps, where admittance inverters (J inverters) were made of interdigital gaps. The exact J values, susceptance slope parameters and the length of the resonators of the meanderline are calculated from the cascade matrix (K-matrix) and scattering matrix (S-matrix) obtained by the 2.5-dimensional electromagnetic field simulator (HP-Momentum). It is shown that the size of the filters can be greatly reduced by introducing CPW with highly packed meanderline geometry (center frequency 2GHz, fractional band width 15MHz, ripple 0.1dB) packed within 10mm square substrate. Simulated performance was in good agreement with the designed one.

AB - Design and performance of miniaturized coplanar waveguide (CPW) bandpass filters (BPFs) using high Tc superconducting (HTS) films have been studied. In order to realize the miniaturized filters, we coupled highly packed meanderline half-wavelength resonators with interdigital gaps, where admittance inverters (J inverters) were made of interdigital gaps. The exact J values, susceptance slope parameters and the length of the resonators of the meanderline are calculated from the cascade matrix (K-matrix) and scattering matrix (S-matrix) obtained by the 2.5-dimensional electromagnetic field simulator (HP-Momentum). It is shown that the size of the filters can be greatly reduced by introducing CPW with highly packed meanderline geometry (center frequency 2GHz, fractional band width 15MHz, ripple 0.1dB) packed within 10mm square substrate. Simulated performance was in good agreement with the designed one.

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JO - IEEE Transactions on Applied Superconductivity

JF - IEEE Transactions on Applied Superconductivity

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Miniaturized HTS coplanar waveguide bandpass filters with highly packed meanderlines

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