Design of twin inverted L microstrip antenna using HFSS software for sustainable system Online publication date: Thu, 19-Aug-2021
by P.C. Praveen Kumar; P. Trinatha Rao
International Journal of Computer Aided Engineering and Technology (IJCAET), Vol. 15, No. 2/3, 2021
Abstract: A novel design of twin inverted L compact and small size micro strip antenna is designed in the proposed work. The radiating structure consists of two inverted L shaped structures in coalesced form on FR-4 material. It is being used as substrate with dielectric constant of 4.4 and by properly arranging the lengths of two inverted L arms; the size of the proposed structure is minimised to be about 50 mm in length, 10 mm in height and 1 mm width. In addition, the feeding configuration is simplified by using a short probe. The proposed twin inverted L shaped structure is compared with T shaped antenna and single inverted L shaped antenna and the measured results shows that the proposed structure resonates at 12.5 GHz and has a wide impedance bandwidth of 15.2%. The gain and bandwidth are above −44 dB and 1.82 GHz respectively, the radiation efficiency of 97.5%, S11 with −14.24 dB and VSWR < 2 across the entire operating band.
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