## Abstract A broad band Uโslot microstrip patch antenna on a single layer foam substrate is investigated using equivalent circuit concept. A parametric study has been carried out to investigate the effects caused by arm length, base length, and slot width of the Uโslot. The effects of substrate he
Application of segmentation analysis to a matched U-slot patch antenna
โ Scribed by S. K. Lee; S. F. Ooi; A. Sambell; E. Korolkiewicz; S. Scott
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 326 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0895-2477
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โฆ Synopsis
Abstract
A wide impedance matching bandwidth or multiโband response can be obtained using a single layer Uโslot rectangular antenna with a probe feed. However, the determination of the input impedance of this antenna has not been reported. In this letter using segmentation analysis a new explicit matrix input impedance formula has been derived. The Uโslot rectangular antenna is partitioned into rectangular segments and the system of coplanar matrix circuit equations is reduced by cojoining pairs of equations. The reduced system is then solved to obtain a new explicit matrix input impedance formula. This technique has the potential to be applied to other multiโsegmented antenna geometries. Two antennas operating at 2.45 GHz were fabricated, one with a substrate of thickness 1.575 mm and the other with a substrate of thickness of 3.175 mm. For both antennas there is an excellent agreement between the predicted, simulated, and measured results for the input impedance. ยฉ 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2608โ2611, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23743
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