A novel ultra-wideband compact slot antenna fed by a grounded coplanar waveguide (CPW) is presented. This antenna is similar to the conventional CPW-fed slot antenna, and a forklike tuning stub and a polygonlike slot are designed in order to increase the operation bandwidth of the antenna. It is inv
Compact ultra-wideband CPW-FED printed semicircular slot antenna
✍ Scribed by Y. Ranga; Karu P. Esselle; A. R. Weily
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 792 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
A new compact configuration of a printed CPW‐fed semicircular slot antenna with a CPW‐to‐CPW step transition is presented. Its bandwidth is enhanced for ultra‐wideband (UWB) operation by combining linear and stepped CPW‐to‐CPW transitions along the feed line. Its measured 10 dB return loss bandwidth is 3.1–13.8 GHz (126%). This, together with its nearly constant measured gain of 3.5 dBi ± 1 dB from 3 to 10 GHz, makes it suitable for UWB applications. Details of the proposed antenna are described, and both theoretical and experimental results are presented. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2367–2372, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25481
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