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Dual-frequency operation of rectangular microstrip antenna with bent-slot loading

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1 Author(s)
Jui-Han Lu ; Dept. of Electron. Commun. Eng., Nat. Kaohsiung Inst. of Marine Technol., Taiwan

A new design of a slot-loaded rectangular microstrip antenna for single-feed dual-frequency operation is proposed and experimentally studied. The slots loaded in the patch are a pair of bent slots centered in the patch and oriented along the resonant direction, with the spacing between the two slots being about half the patch's radiating-edge length. By varying the bend angle and horizontal-section length of the slots, the frequency ratio between the two operating frequencies is tunable in a range from about 1.28 to 1.79. The two frequencies are also of the same polarization planes and similar broadside radiation patterns

Published in:

Microwave Conference, 2000 Asia-Pacific

Date of Conference:

2000