## Abstract This article presents a cross‐coupled folded substrate integrated waveguide (FSIW) cavity bandpass filter. A novel type of negative coupling between FSIW cavities has been investigated and demonstrated. A prototype of four‐pole FSIW cavity bandpass filter has been designed, fabricated w
Novel substrate integrated folded waveguide filter
✍ Scribed by Sultan K. Alotaibi; Jia-Sheng Hong
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 547 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
In this study, a novel substrate integrated folded‐waveguide resonator filter is presented and an aperture coupling between adjacent resonators is introduced, which is characterized using full‐wave EM simulations and verified experimentally. A demonstrator of two‐pole substrate integrated folded‐waveguide resonator filter of this type has been designed, fabricated, and tested. As an example, a two‐pole BPF centered at 4.675 GHz with a fractional bandwidth of 7.4% is designed, fabricated, and measured. Simulations and experimental results are presented to validate the design and to show the advantages of this type of filter. The simulated and measured results show an excellent agreement. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1111–1114, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23272
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