Gap-Coupled Stacked Microstrip Antenna for Dual Band Operation

被引:0
作者
Ansari, J. A. [1 ]
Ram, Ram Brij [1 ]
Yadav, Nagendra Prasad [1 ]
机构
[1] Univ Allahabad, Dept Elect & Commun, Allahabad 211002, Uttar Pradesh, India
来源
PROCEEDINGS OF THE INDICON 2008 IEEEE CONFERENCE & EXHIBITION ON CONTROL, COMMUNICATIONS AND AUTOMATION, VOL II | 2008年
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Theoretical investigations of a gap-coupled stacked microstrip antenna is presented using equivalent circuit concept. It is found that the antenna operates with dual frequency band characteristics with resonances at 4.76 GHz and 6.79 GHz. The dual nature of the antenna is realized by adding coplanar U-shaped parasitic elements around the radiating edges of the fed patch and stacking a rectangular patch above them. The lower and upper frequency bands are achieved as 443 MHz and 287 MHz respectively. The radiation patterns show shifts of 5(0) towards left and 12(0) towards right for Rower end upper resonance frequencies respectively.
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页码:296 / 300
页数:5
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