extinction ratio could be increased further by a proper choice of splitting ratios of the couplers [10]. The wavelength resolution limit of the OSA also limits a precise measurement of the actual extinction ratio. The minimum possible change in the FSR during tuning of the MZI by this technique was
Triangular slot antenna with a double-T-shaped tuning stub for wideband operation
✍ Scribed by JoongHan Yoon
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 794 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0895-2477
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
In this study, a triangular slot antenna fed by a double‐T‐shaped tuning stub for wide bandwidth is proposed and experimentally studied. The prototype consists of a triangular slot model and double‐T‐shaped tuning stub. The effect of various parameters of the double‐T‐shaped tuning stub on wideband operation is investigated. From the experimental results, the measured impedance bandwidth, defied by VSWR 1:2, was found capable of reaching an operating bandwidth of 3.384 GHz, or 83.19%. The antenna radiation patterns and gains within the operating band were also measured and studied. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2123–2128, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22684
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