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Characteristic analysis of reverse-L-shaped microstrip-fed large-bandwidth printed slot antenna

✍ Scribed by Yong-Woong Jang

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
569 KB
Volume
12
Category
Article
ISSN
1096-4290

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✦ Synopsis

The characteristics of a reverse-L-shaped microstrip-fed structure is analyzed using the finite difference time domain method, and the characteristics of the proposed antenna are compared with a conventional antenna. The return loss, radiation resistance, and voltage-standing wave ratio in the frequency domain are calculated by Fourier transforming the time domain results. When the proposed feed structure is used, the bandwidth is extended in proportion to the slot width and the radiation resistance has the low value. When the slot width is 16 mm, the experimental bandwidth is approximately 50% (؊10 dB > S 11 ) at the center frequency of 2.3 GHz. In addition, the experimental data for the impedance and radiation pattern of the antenna are described. They are in good agreement with the calculated results.

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