Compact eighth-order microstrip filtering coupler

Chun Hung Lin; Jen Tsai Kuo

doi:10.1109/APMC.2017.8251571

Compact eighth-order microstrip filtering coupler

Chun Hung Lin, Jen Tsai Kuo

Department of Electronic Engineering

Chang Gung University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

8 Scopus citations

Abstract

An eighth-order 180-degree filtering coupler is implemented with a 4×4 array of quarter-wave resonators. All resonators have a 90-degree bend and are configured to fit into a compact area. The geometric spaces among the resonators are determined by the coupling coefficients given in traditional filter synthesis formulas. At 2.4 GHz, an experimental circuit with a fractional bandwidth of 10% is fabricated and measured. Measured magnitude and phase responses of the four-port S-parameters show good agreement with simulation data.

Original language	English
Title of host publication	2017 Asia Pacific Microwave Conference, APMC 2017 - Proceedings
Editors	Idnin Pasya
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	806-808
Number of pages	3
ISBN (Electronic)	9781538606407
DOIs	https://doi.org/10.1109/APMC.2017.8251571
State	Published - 28 06 2017
Event	2017 IEEE Asia Pacific Microwave Conference, APMC 2017 - Kuala Lumpur, Malaysia Duration: 13 11 2017 → 16 11 2017

Publication series

Name	Asia-Pacific Microwave Conference Proceedings, APMC

Conference

Conference	2017 IEEE Asia Pacific Microwave Conference, APMC 2017
Country/Territory	Malaysia
City	Kuala Lumpur
Period	13/11/17 → 16/11/17

Bibliographical note

Publisher Copyright:
© 2017 IEEE.

Keywords

Bandpass filter
coupling coefficient
filter synthesis
filtering coupler
rat-race

Access to Document

10.1109/APMC.2017.8251571

Cite this

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title = "Compact eighth-order microstrip filtering coupler",

abstract = "An eighth-order 180-degree filtering coupler is implemented with a 4×4 array of quarter-wave resonators. All resonators have a 90-degree bend and are configured to fit into a compact area. The geometric spaces among the resonators are determined by the coupling coefficients given in traditional filter synthesis formulas. At 2.4 GHz, an experimental circuit with a fractional bandwidth of 10% is fabricated and measured. Measured magnitude and phase responses of the four-port S-parameters show good agreement with simulation data.",

keywords = "Bandpass filter, coupling coefficient, filter synthesis, filtering coupler, rat-race",

author = "Lin, {Chun Hung} and Kuo, {Jen Tsai}",

note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 2017 IEEE Asia Pacific Microwave Conference, APMC 2017 ; Conference date: 13-11-2017 Through 16-11-2017",

year = "2017",

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doi = "10.1109/APMC.2017.8251571",

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series = "Asia-Pacific Microwave Conference Proceedings, APMC",

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Lin, CH & Kuo, JT 2017, Compact eighth-order microstrip filtering coupler. in I Pasya (ed.), 2017 Asia Pacific Microwave Conference, APMC 2017 - Proceedings. Asia-Pacific Microwave Conference Proceedings, APMC, Institute of Electrical and Electronics Engineers Inc., pp. 806-808, 2017 IEEE Asia Pacific Microwave Conference, APMC 2017, Kuala Lumpur, Malaysia, 13/11/17. https://doi.org/10.1109/APMC.2017.8251571

Compact eighth-order microstrip filtering coupler. / Lin, Chun Hung; Kuo, Jen Tsai.
2017 Asia Pacific Microwave Conference, APMC 2017 - Proceedings. ed. / Idnin Pasya. Institute of Electrical and Electronics Engineers Inc., 2017. p. 806-808 (Asia-Pacific Microwave Conference Proceedings, APMC).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - An eighth-order 180-degree filtering coupler is implemented with a 4×4 array of quarter-wave resonators. All resonators have a 90-degree bend and are configured to fit into a compact area. The geometric spaces among the resonators are determined by the coupling coefficients given in traditional filter synthesis formulas. At 2.4 GHz, an experimental circuit with a fractional bandwidth of 10% is fabricated and measured. Measured magnitude and phase responses of the four-port S-parameters show good agreement with simulation data.

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KW - coupling coefficient

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KW - rat-race

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Compact eighth-order microstrip filtering coupler

Abstract

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Bibliographical note

Keywords

Access to Document

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