Design of balanced BPF using folded half-mode substrate integrated waveguide and hybrid microstrip/slot feed for common-mode suppression

Min-Hua Ho, Yun Jan Chang, Chung I G Hsu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This article proposes a balanced band-pass filter (BPF) designed using a folded half-mode substrate integrated waveguide (FHMSIW) and a hybrid microstrip/slot feed structure for enhancing the common-mode (CM) suppression. The proposed FHMSIW possesses a relatively higher Q factor than other planar structures, such as the microstrip line, coplanar waveguide, coplanar stripline, and slotline, resulting in sharper band edge skirts for the designed filter. The in-band insertion losses of the FHMSIW BPF are reasonably low under differential-mode operation, and the CM rejection level is more than 50 dB over a wide frequency band. The circuit design is experimentally validated. Comparison of the measured and simulated data is presented in this article.

Original languageEnglish
Pages (from-to)591-594
Number of pages4
JournalMicrowave and Optical Technology Letters
Volume57
Issue number3
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

Substrate integrated waveguides
Antenna feeders
Bandpass filters
bandpass filters
slots
retarding
waveguides
Waveguide filters
Strip telecommunication lines
Coplanar waveguides
Microstrip lines
Insertion losses
Frequency bands
Q factors
skirts
Networks (circuits)
planar structures
insertion loss
rejection
filters

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

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Design of balanced BPF using folded half-mode substrate integrated waveguide and hybrid microstrip/slot feed for common-mode suppression. / Ho, Min-Hua; Chang, Yun Jan; Hsu, Chung I G.

In: Microwave and Optical Technology Letters, Vol. 57, No. 3, 01.01.2015, p. 591-594.

Research output: Contribution to journalArticle

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