Performance of a planar filter using a 0° feed structure

Chih Ming Tsai; Sheng Yuan Lee; Chin Chuan Tsai

doi:10.1109/TMTT.2002.803421

Performance of a planar filter using a 0° feed structure

Chih Ming Tsai, Sheng Yuan Lee, Chin Chuan Tsai

Institute of Computer and Communication Engineering

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

209 Citations (Scopus)

Abstract

The advantage of using a 0° feed structure in filter design is that two extra transmission zeros are created in the stopband while the passband response remains unchanged. This feed structure is analyzed by using transmission matrices. A new lumped-circuit model for a coupled resonator filter is then proposed to take into account the effects of this feed structure. Finally, the feed structure is applied to the design of a cross-coupled filter. All the theoretical analysis and design procedures have been successfully verified by experiment results.

Original language	English
Pages (from-to)	2362-2367
Number of pages	6
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	50
Issue number	10
DOIs	https://doi.org/10.1109/TMTT.2002.803421
Publication status	Published - 2002 Oct

All Science Journal Classification (ASJC) codes

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/TMTT.2002.803421

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abstract = "The advantage of using a 0° feed structure in filter design is that two extra transmission zeros are created in the stopband while the passband response remains unchanged. This feed structure is analyzed by using transmission matrices. A new lumped-circuit model for a coupled resonator filter is then proposed to take into account the effects of this feed structure. Finally, the feed structure is applied to the design of a cross-coupled filter. All the theoretical analysis and design procedures have been successfully verified by experiment results.",

author = "Tsai, {Chih Ming} and Lee, {Sheng Yuan} and Tsai, {Chin Chuan}",

note = "Funding Information: Manuscript received August 21, 2001; revised December 17, 2001. This work was supported in part by the National Science Council, Taiwan, R.O.C. under Grant NSC 89-2213-E006-168. The authors are with the Department of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan, R.O.C. Digital Object Identifier 10.1109/TMTT.2002.803421.",

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Performance of a planar filter using a 0° feed structure

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