## Abstract This article proposes a method of double cross‐coupling lines to produce the transmission zeros independently in the both close‐to‐band rejections of HTS filter, and that their positions are controllable. An eight‐pole HTS filter is simulated to present the feasibility of this method. A
Mixed coupling structure for the cross coupling of comb-line filters
✍ Scribed by Byungwook Kim; Young-Soo Kim
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 166 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A mixed coupling structure is proposed for the cross coupling of a comb‐line filter. The proposed structure consists of an electric coupling probe and a magnetic coupling window, and the coupling required for the cross coupling of a cross‐coupled filter can be achieved with much easier tuning capability than the structure with only an electric probe. A four‐pole comb‐line filter is designed and fabricated with the use of the proposed structure, and showed good filter response. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 35: 20–23, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10505
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