✦ LIBER ✦
Enhanced microstrip coupled-line bandpass filter by means of EBG structures on the middle layer for spurious suppression
✍ Scribed by Min-Hung Weng; Tsung-Hui Huang; Cheng-Yuan Hung
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 108 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
In this paper, a microstrip parallel‐coupled bandpass filter based on electromagnetic bandgap (EBG) structures to achieve spurious suppression is presented. The EBG loops of the middle layer add an extra stopband‐rejection mode to the 2^nd^ and 3^rd^ harmonics of the filter with attenuation losses of over than −30 dB, without affecting the center frequency and insertion loss of the originally designed filter. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 575–577, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20700