A miniaturized multilayer quasi-elliptic bandpass filter with aperture-coupled microstrip resonators

Chi Feng Chen; Ting Yi Huang; Chao Hsiung Tseng; Ruey Beei Wu; Tsung Wen Chen

doi:10.1109/TMTT.2005.854204

A miniaturized multilayer quasi-elliptic bandpass filter with aperture-coupled microstrip resonators

Chi Feng Chen^*, Ting Yi Huang, Chao Hsiung Tseng, Ruey Beei Wu, Tsung Wen Chen

^*Corresponding author for this work

National Yang Ming Chiao Tung University

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

36 Scopus citations

Abstract

A four-pole quasi-elliptic function bandpass filter for a compact low-temperature cofired ceramic is proposed in this paper. The filter is constructed by the open-loop resonators and the miniaturized hairpin resonators that can be coupled through the apertures on the common ground plane, and the 0° feed structure adds two extra transmission zeros to the filter response. It is shown that the filter occupies a very small size. As a result, the proposed structure of the filter occupies a very small circuit area and has a good out-of band rejection.

Original language	English
Pages (from-to)	2688-2692
Number of pages	5
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	53
Issue number	9
DOIs	https://doi.org/10.1109/TMTT.2005.854204
State	Published - Sep 2005

Keywords

Coupling coefficient
Elliptic function filter
Miniaturized hairpin resonator
Open-loop resonator

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10.1109/TMTT.2005.854204

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title = "A miniaturized multilayer quasi-elliptic bandpass filter with aperture-coupled microstrip resonators",

abstract = "A four-pole quasi-elliptic function bandpass filter for a compact low-temperature cofired ceramic is proposed in this paper. The filter is constructed by the open-loop resonators and the miniaturized hairpin resonators that can be coupled through the apertures on the common ground plane, and the 0° feed structure adds two extra transmission zeros to the filter response. It is shown that the filter occupies a very small size. As a result, the proposed structure of the filter occupies a very small circuit area and has a good out-of band rejection.",

keywords = "Coupling coefficient, Elliptic function filter, Miniaturized hairpin resonator, Open-loop resonator",

author = "Chen, {Chi Feng} and Huang, {Ting Yi} and Tseng, {Chao Hsiung} and Wu, {Ruey Beei} and Chen, {Tsung Wen}",

year = "2005",

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AU - Chen, Chi Feng

AU - Huang, Ting Yi

AU - Tseng, Chao Hsiung

AU - Wu, Ruey Beei

AU - Chen, Tsung Wen

PY - 2005/9

Y1 - 2005/9

N2 - A four-pole quasi-elliptic function bandpass filter for a compact low-temperature cofired ceramic is proposed in this paper. The filter is constructed by the open-loop resonators and the miniaturized hairpin resonators that can be coupled through the apertures on the common ground plane, and the 0° feed structure adds two extra transmission zeros to the filter response. It is shown that the filter occupies a very small size. As a result, the proposed structure of the filter occupies a very small circuit area and has a good out-of band rejection.

AB - A four-pole quasi-elliptic function bandpass filter for a compact low-temperature cofired ceramic is proposed in this paper. The filter is constructed by the open-loop resonators and the miniaturized hairpin resonators that can be coupled through the apertures on the common ground plane, and the 0° feed structure adds two extra transmission zeros to the filter response. It is shown that the filter occupies a very small size. As a result, the proposed structure of the filter occupies a very small circuit area and has a good out-of band rejection.

KW - Coupling coefficient

KW - Elliptic function filter

KW - Miniaturized hairpin resonator

KW - Open-loop resonator

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JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

IS - 9

ER -

A miniaturized multilayer quasi-elliptic bandpass filter with aperture-coupled microstrip resonators

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Keywords

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