Design of bandpass transversal filters employing a novel hybrid structure

Mónica Martinez-Mendoza, Juan Sebastian Gomez Diaz, David Canete-Rebenaque, Jose Luis Gomez-Tornero, Alejandro Alvarez-Melcon

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

A novel structure for the implementation of compact transversal bandpass filters is proposed in this paper. This new proposal consists of a hybrid structure, based on the combination of two different technologies: the waveguide and microstrip. It is shown that the novel hybrid microwave filter is able to implement both a second- and third-order filtering function with up to two or three transmission zeros, respectively. In this way, a practical implementation of a fully canonical transversal filter with a third degree response is for the first time directly achieved. In addition, the way to control the positions of transmission zeros with the new technology is treated in this paper. It is shown that symmetric or asymmetric responses and also filtering functions with a complex pair of transmission zeros can be easily obtained. To demonstrate the validity of this novel structure, several implementation examples are presented. A prototype has been designed, manufactured, and successfully tested, showing the practical validity of the new structure.

Original languageEnglish (US)
Pages (from-to)2670-2678
Number of pages9
JournalIEEE Transactions on Microwave Theory and Techniques
Volume55
Issue number12
DOIs
StatePublished - Dec 1 2007
Externally publishedYes

Fingerprint

Transversal filters
hybrid structures
Bandpass filters
bandpass filters
microwave filters
Microwave filters
proposals
Waveguides
prototypes
waveguides
filters

Keywords

  • Bandpass filters
  • Coupling matrices
  • Resonator filters
  • Synthesis techniques
  • Transmission zeros
  • Transversal filters

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Design of bandpass transversal filters employing a novel hybrid structure. / Martinez-Mendoza, Mónica; Gomez Diaz, Juan Sebastian; Canete-Rebenaque, David; Gomez-Tornero, Jose Luis; Alvarez-Melcon, Alejandro.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 55, No. 12, 01.12.2007, p. 2670-2678.

Research output: Contribution to journalArticle

Martinez-Mendoza, M, Gomez Diaz, JS, Canete-Rebenaque, D, Gomez-Tornero, JL & Alvarez-Melcon, A 2007, 'Design of bandpass transversal filters employing a novel hybrid structure', IEEE Transactions on Microwave Theory and Techniques, vol. 55, no. 12, pp. 2670-2678. https://doi.org/10.1109/TMTT.2007.909613
Martinez-Mendoza, Mónica ; Gomez Diaz, Juan Sebastian ; Canete-Rebenaque, David ; Gomez-Tornero, Jose Luis ; Alvarez-Melcon, Alejandro. / Design of bandpass transversal filters employing a novel hybrid structure. In: IEEE Transactions on Microwave Theory and Techniques. 2007 ; Vol. 55, No. 12. pp. 2670-2678.
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