## Abstract A compact printed ultra‐wideband (UWB, 3.1–10.6 GHz) circular‐slot antenna with a notched frequency band at 5 GHz is presented. The antenna is a uniplanar structure and occupies a compact area of 25 × 26 mm^2^ only (the side length is less than 27% of the lower edge frequency at 3.1 GHz
Printed short-circuited wideband monopole antenna with band-notched operation
✍ Scribed by Kin-Lu Wong; Liang-Che Chou; Fa-Shian Chang
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 302 KB
- Volume
- 46
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
This paper presents the band‐notched operation of a printed short‐circuited wideband monopole antenna. The notched or rejected band within a wide operating bandwidth is obtained by embedding an inverted U‐shaped slot close to the shorting point of the antenna, where strong excited surface currents in the antenna are usually present. The notched band is controllable by adjusting the lengths of the inner and outer perimeters of the embedded U‐shaped slot. A constructed prototype of the antenna is demonstrated, and a parametric study of the embedded slot used for band‐notched operation is also presented. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 46: 58–61, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20900
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