Design of a bandpass transversal filter employing a novel hybrid waveguide-printed structure

M. Martínez-Mendoza; Juan Sebastian Gomez Diaz; D. Cañete-Rebenaque; J. L. Gómez-Tornero; A. Alvarez-Melcon

doi:10.1109/MWSYM.2007.380427

Design of a bandpass transversal filter employing a novel hybrid waveguide-printed structure

M. Martínez-Mendoza, Juan Sebastian Gomez Diaz, D. Cañete-Rebenaque, J. L. Gómez-Tornero, A. Alvarez-Melcon

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

3 Scopus citations

Abstract

This paper introduces a novel hybrid structure to implement a bandpass transversal filter based on the combination of two well known technologies. The structure combines for the first time the waveguide and the microstrip technologies for the design of transversal filters with maximum selectivity. By combining these technologies, very compact structures are obtained to implement the so called Modified Doublet. One of the resonators of the doublet is formed with the TM₁₁₁ mode of a waveguide cavity, while the second resonator is implemented using a standard printed line microstrip resonator. It is shown that all the parameters of the N + 2 coupling matrix can be controlled by means of the dimensions of the proposed structure. Results validate the novel structure, and show how a second order filtering function of a specific coupling matrix can be easily synthesized.

Original language	English (US)
Title of host publication	2007 IEEE MTT-S International Microwave Symposium Digest
Pages	1281-1284
Number of pages	4
DOIs	https://doi.org/10.1109/MWSYM.2007.380427
State	Published - Oct 2 2007
Externally published	Yes
Event	2007 IEEE MTT-S International Microwave Symposium, IMS 2007 - Honolulu, HI, United States Duration: Jun 3 2007 → Jun 8 2007

Other

Other	2007 IEEE MTT-S International Microwave Symposium, IMS 2007
Country/Territory	United States
City	Honolulu, HI
Period	6/3/07 → 6/8/07

Keywords

Band-pass filters
Coupling matrixes
Resonator filters
Synthesis techniques
Transmission zeros

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/MWSYM.2007.380427

Cite this

Design of a bandpass transversal filter employing a novel hybrid waveguide-printed structure. / Martínez-Mendoza, M.; Gomez Diaz, Juan Sebastian; Cañete-Rebenaque, D.; Gómez-Tornero, J. L.; Alvarez-Melcon, A.

2007 IEEE MTT-S International Microwave Symposium Digest. 2007. p. 1281-1284 4264066.

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

Martínez-Mendoza, M, Gomez Diaz, JS, Cañete-Rebenaque, D, Gómez-Tornero, JL & Alvarez-Melcon, A 2007, Design of a bandpass transversal filter employing a novel hybrid waveguide-printed structure. in 2007 IEEE MTT-S International Microwave Symposium Digest., 4264066, pp. 1281-1284, 2007 IEEE MTT-S International Microwave Symposium, IMS 2007, Honolulu, HI, United States, 6/3/07. https://doi.org/10.1109/MWSYM.2007.380427

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AU - Alvarez-Melcon, A.

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AB - This paper introduces a novel hybrid structure to implement a bandpass transversal filter based on the combination of two well known technologies. The structure combines for the first time the waveguide and the microstrip technologies for the design of transversal filters with maximum selectivity. By combining these technologies, very compact structures are obtained to implement the so called Modified Doublet. One of the resonators of the doublet is formed with the TM111 mode of a waveguide cavity, while the second resonator is implemented using a standard printed line microstrip resonator. It is shown that all the parameters of the N + 2 coupling matrix can be controlled by means of the dimensions of the proposed structure. Results validate the novel structure, and show how a second order filtering function of a specific coupling matrix can be easily synthesized.

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KW - Synthesis techniques

KW - Transmission zeros

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Design of a bandpass transversal filter employing a novel hybrid waveguide-printed structure

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Keywords

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