High-temperature superconducting bandpass spiral filter

被引：29

作者：

Ong, CK ^{[1
]}

Chen, LF ^{[1
]}

Lu, J ^{[1
]}

Tan, CY ^{[1
]}

Tan, BTG ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Phys, Singapore 119260, Singapore

来源：

IEEE MICROWAVE AND GUIDED WAVE LETTERS | 1999年 / 9卷 / 10期

关键词：

dual-spiral resonator; high-temperature superconductivity; microstrip bandpass filter; miniaturization; spiral filter;

D O I：

10.1109/75.798031

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report a new type of microstrip bandpass spiral filter structure, which exhibits much smaller size than other existing miniaturized bandpass filter structures, and is particularly useful in developing high-temperature superconducting (HTS) compact filters for cellular communication systems. A prototype three-stage HTS bandpass spiral filter with center frequency of 633 MHz was designed and fabricated on a 20 mm x 8 mm x 0.5 mm LaAlO3 substrate. The measurement results of the spiral filter have good agreements with its electromagnetic full-wave simulation results.

引用

页码：407 / 409

页数：3

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