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2008-06-04

Slot Coupled Microstrip Antenna for Ultra Wideband Applications in C and X Bands

By Nasser Ghassemi, Jalil Rashed-Mohassel, Mohammad H. Neshati, and Massoud Ghassemi
Progress In Electromagnetics Research M, Vol. 3, 15-25, 2008
doi:10.2528/PIERM08051202

Abstract

This paper presents an aperture coupled microstrip antenna with a rectangular patch which is located on top of two slots on the ground plane. The patch and slots are separated by an air gap and a material with low dielectric constant. There is a 50Ω feed line which is divided into two 100Ω feed lines by a two way microstrip power divider under the ground plane. Using a parametric study on the effect of the position and dimensions of the feed line the impedance bandwidth of the antenna (VSWR < 2) is increased to 7.9 GHz (86%) centered at 9.25 GHz and the gain of the structure is more than 7 dB from 5.4 GHz to 8.8 GHz (48%).

Citation


Nasser Ghassemi, Jalil Rashed-Mohassel, Mohammad H. Neshati, and Massoud Ghassemi, "Slot Coupled Microstrip Antenna for Ultra Wideband Applications in C and X Bands," Progress In Electromagnetics Research M, Vol. 3, 15-25, 2008.
doi:10.2528/PIERM08051202
http://jpier.org/PIERM/pier.php?paper=08051202

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