High-Tc superconducting planar filters with improved performance

Irina B. Vendik; Marina S. Gashinova; Maria N. Goubina; Yaroslav A. Kolmakov; Igor A. Kolmakov; Guoyong Y. Zhang

doi:10.1109/TASC.2003.813710

High-T_c superconducting planar filters with improved performance

Irina B. Vendik^*, Marina S. Gashinova, Maria N. Goubina, Yaroslav A. Kolmakov, Igor A. Kolmakov, Guoyong Y. Zhang

^*Corresponding author for this work

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

3 Citations (Scopus)

Abstract

The results of design and investigation of band-pass filters are presented. The filter is based on a set of double-resonator structures. The main constituent of the filter is the pair of coupled resonators in the form of modified hairpins. The combination of coupling inside the pair and between the pairs provides the desired filter performance. The 12-pole filter (17 × 22 mm) manufactured on the double-sided YBCO films on LaAlO₃ substrate exhibited at T = 50 K, 0.3 dB insertion loss, 15 dB return loss in 4% pass band (f₀ = 1.7475 GHz) and 60 dB out of band rejection. Another band-pass filter is 12-pole quasielliptic filter based on quasilumped resonators. This filter area is 21 × 32 mm (MgO). Filter was designed with 902.5 MHz center frequency, 25 MHz bandwidth and 70 dB out of band rejection.

Original language	English
Pages (from-to)	284-286
Number of pages	3
Journal	IEEE Transactions on Applied Superconductivity
Volume	13
Issue number	2 I
DOIs	https://doi.org/10.1109/TASC.2003.813710
Publication status	Published - 1 Jun 2003
Externally published	Yes

Keywords

High-temperature superconductors
Microstrip filters
Microstrip resonators

ASJC Scopus subject areas

Electrical and Electronic Engineering
Physics and Astronomy (miscellaneous)

Access to Document

10.1109/TASC.2003.813710

Cite this

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title = "High-Tc superconducting planar filters with improved performance",

abstract = "The results of design and investigation of band-pass filters are presented. The filter is based on a set of double-resonator structures. The main constituent of the filter is the pair of coupled resonators in the form of modified hairpins. The combination of coupling inside the pair and between the pairs provides the desired filter performance. The 12-pole filter (17 × 22 mm) manufactured on the double-sided YBCO films on LaAlO3 substrate exhibited at T = 50 K, 0.3 dB insertion loss, 15 dB return loss in 4% pass band (f0 = 1.7475 GHz) and 60 dB out of band rejection. Another band-pass filter is 12-pole quasielliptic filter based on quasilumped resonators. This filter area is 21 × 32 mm (MgO). Filter was designed with 902.5 MHz center frequency, 25 MHz bandwidth and 70 dB out of band rejection.",

keywords = "High-temperature superconductors, Microstrip filters, Microstrip resonators",

author = "Vendik, {Irina B.} and Gashinova, {Marina S.} and Goubina, {Maria N.} and Kolmakov, {Yaroslav A.} and Kolmakov, {Igor A.} and Zhang, {Guoyong Y.}",

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AU - Vendik, Irina B.

AU - Gashinova, Marina S.

AU - Goubina, Maria N.

AU - Kolmakov, Yaroslav A.

AU - Kolmakov, Igor A.

AU - Zhang, Guoyong Y.

PY - 2003/6/1

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N2 - The results of design and investigation of band-pass filters are presented. The filter is based on a set of double-resonator structures. The main constituent of the filter is the pair of coupled resonators in the form of modified hairpins. The combination of coupling inside the pair and between the pairs provides the desired filter performance. The 12-pole filter (17 × 22 mm) manufactured on the double-sided YBCO films on LaAlO3 substrate exhibited at T = 50 K, 0.3 dB insertion loss, 15 dB return loss in 4% pass band (f0 = 1.7475 GHz) and 60 dB out of band rejection. Another band-pass filter is 12-pole quasielliptic filter based on quasilumped resonators. This filter area is 21 × 32 mm (MgO). Filter was designed with 902.5 MHz center frequency, 25 MHz bandwidth and 70 dB out of band rejection.

AB - The results of design and investigation of band-pass filters are presented. The filter is based on a set of double-resonator structures. The main constituent of the filter is the pair of coupled resonators in the form of modified hairpins. The combination of coupling inside the pair and between the pairs provides the desired filter performance. The 12-pole filter (17 × 22 mm) manufactured on the double-sided YBCO films on LaAlO3 substrate exhibited at T = 50 K, 0.3 dB insertion loss, 15 dB return loss in 4% pass band (f0 = 1.7475 GHz) and 60 dB out of band rejection. Another band-pass filter is 12-pole quasielliptic filter based on quasilumped resonators. This filter area is 21 × 32 mm (MgO). Filter was designed with 902.5 MHz center frequency, 25 MHz bandwidth and 70 dB out of band rejection.

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