Enhanced topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects

M. Martínez-Mendoza; F. J. Pérez-Soler; Juan Sebastian Gomez Diaz; F. Quesada Pereira; A. Alvarez-Melcon; Richard J. Cameron

doi:10.1109/MWSYM.2008.4632912

Enhanced topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects

M. Martínez-Mendoza, F. J. Pérez-Soler, Juan Sebastian Gomez Diaz, F. Quesada Pereira, A. Alvarez-Melcon, Richard J. Cameron

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

1 Scopus citations

Abstract

This work presents a new topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects. The proposed filtering structure combines, for the first time, the modified TE₁₀₂ resonating mode with the modified TE₂₀₁ mode. The TE₂₀₁ mode is excited by placing a wide dielectric post inside a waveguide cavity. The main advantage of the new topology is that two transmission zeros can be synthesized in the insertion loss response of the filter, for a second order structure. Also there is a high flexibility on the location of the transmission zeros. They can be synthesized along the frequency axis for maximum selectivity, or as a pair of complex poles for phase equalization.

Original language	English (US)
Title of host publication	2008 IEEE MTT-S International Microwave Symposium Digest, MTT
Pages	635-638
Number of pages	4
DOIs	https://doi.org/10.1109/MWSYM.2008.4632912
State	Published - Dec 12 2008
Externally published	Yes
Event	2008 IEEE MTT-S International Microwave Symposium Digest, MTT - Atlanta, GA, United States Duration: Jun 15 2008 → Jun 20 2008

Other

Other	2008 IEEE MTT-S International Microwave Symposium Digest, MTT
Country	United States
City	Atlanta, GA
Period	6/15/08 → 6/20/08

Keywords

Dielectric posts
Doublet topology
Inductive filters
Transmission zeros
Transversal filters
Waveguide filters

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/MWSYM.2008.4632912

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Cite this

Martínez-Mendoza, M., Pérez-Soler, F. J., Gomez Diaz, J. S., Pereira, F. Q., Alvarez-Melcon, A., & Cameron, R. J. (2008). Enhanced topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects. In 2008 IEEE MTT-S International Microwave Symposium Digest, MTT (pp. 635-638). [4632912] https://doi.org/10.1109/MWSYM.2008.4632912

Enhanced topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects. / Martínez-Mendoza, M.; Pérez-Soler, F. J.; Gomez Diaz, Juan Sebastian; Pereira, F. Quesada; Alvarez-Melcon, A.; Cameron, Richard J.

2008 IEEE MTT-S International Microwave Symposium Digest, MTT. 2008. p. 635-638 4632912.

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

Martínez-Mendoza, M, Pérez-Soler, FJ, Gomez Diaz, JS, Pereira, FQ, Alvarez-Melcon, A & Cameron, RJ 2008, Enhanced topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects. in 2008 IEEE MTT-S International Microwave Symposium Digest, MTT., 4632912, pp. 635-638, 2008 IEEE MTT-S International Microwave Symposium Digest, MTT, Atlanta, GA, United States, 6/15/08. https://doi.org/10.1109/MWSYM.2008.4632912

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abstract = "This work presents a new topology for the design of bandpass elliptic filters employing inductive windows and dielectric objects. The proposed filtering structure combines, for the first time, the modified TE102 resonating mode with the modified TE201 mode. The TE201 mode is excited by placing a wide dielectric post inside a waveguide cavity. The main advantage of the new topology is that two transmission zeros can be synthesized in the insertion loss response of the filter, for a second order structure. Also there is a high flexibility on the location of the transmission zeros. They can be synthesized along the frequency axis for maximum selectivity, or as a pair of complex poles for phase equalization.",

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