Compact differential ultra-wideband bandpass filter based on transversal filter concepts

Wenjie Feng, Wenquan Che, Thomas F. Eibert, Quan Xue

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A compact differential ultra-wideband (UWB) bandpass filter with high selectivity based on transversal filter concepts is proposed in this paper. Two transmission zeros and good harmonic suppression can be achieved for the differential mode, due to the two transmission paths with different lengths for input/output ports. Four quarter-wavelength shorted lines are added to improve the passband transmission characteristic for the differential mode. In addition, the common mode can be suppressed easily in the whole frequency band. A prototype with fractional bandwidth 101% and return loss greater than 16.5 dB for differential mode is designed and fabricated; the measured results show good agreement with the theoretical expectations.

Original languageEnglish
Title of host publicationEuropean Microwave Week 2011
Subtitle of host publication"Wave to the Future", EuMW 2011, Conference Proceedings - 41st European Microwave Conference, EuMC 2011
Pages456-459
Number of pages4
StatePublished - 2011
Event14th European Microwave Week 2011: "Wave to the Future", EuMW 2011 - 41st EuropeanMicrowave Conference, EuMC 2011 - Manchester, United Kingdom
Duration: 10 Oct 201113 Oct 2011

Publication series

NameEuropean Microwave Week 2011: "Wave to the Future", EuMW 2011, Conference Proceedings - 41st European Microwave Conference, EuMC 2011

Conference

Conference14th European Microwave Week 2011: "Wave to the Future", EuMW 2011 - 41st EuropeanMicrowave Conference, EuMC 2011
Country/TerritoryUnited Kingdom
CityManchester
Period10/10/1113/10/11

Keywords

  • Ultra-wideband (UWB)
  • common mode
  • differential mode
  • transmission zeros
  • transversal filter concepts

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