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Title: Quarter mode substrate integrated waveguide antenna with inverted L-strips
Authors: K. Phani Srinivas, B. T. P. Madhav, N. Vakula Devi, P. Gowthami, Ramleela Nehru, V. K. Bhargavi
Journal: ARPN Journal of Engineering and Applied Sciences
Publisher: Khyber Medical College, Peshawar
Country: Pakistan
Year: 2016
Volume: 11
Issue: 21
Language: English
In this paper the square shaped antenna with dual L-shaped strips are added for alternative current path using substrate integrated wave guide (SIW) knowledge is presented. The proposed antenna has dimensions 50X50X1.6 mm3 is designed on FR4 substrate with loss tangent d=0.02 and dielectric constant of 4.4. An impedance bandwidth ranging from 8.3GHz to 10.5GHz is attained for the proposed antenna model which will cover the X-band and by using the two inverted L-strips at the excitation point of radiation patch the gain is enhanced. Prototyped antenna is tested on ZNB 20 vector network analyzer and observed the compared the results for validation.
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