## Abstract A novel compact wideband high‐rejection LPF using H‐shaped defected ground structure (DGS) elements is presented. The performance of the new H‐DGS was analyzed together with its effect on the filter performance. A wide rejection band and steep transition region was obtained. The filter
A stopband filter design using a 1D non-periodic defected ground structure
✍ Scribed by Ieltxu A. Garde Irigoyen; Carlos del Río Bocio
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 246 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
The one‐dimensional (1D) defected ground structure (DGS) is used to control the cut‐off frequency characteristic. In this paper three non‐periodic filters are built, in order to show the versatility of DGS. Five unit cells of different shape with the same attenuation pole frequency were combined in each filter. The frequency response is essentially the same as in the case of periodic filters with equal square unit cells. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 249–250, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10734
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