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W-slot loaded patch antenna for dual-band operation

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4 Author(s)
Mishra, A. ; Dept. of Electron. & Commun., Univ. of Allahabad, Allahabad, India ; Dubey, S. ; Ansari, J.A. ; Vishvakarma, B.R.

In the present paper W-slot loaded single and two layer dielectric microstrip patch antenna has been analysed using equivalent circuit concept. The antenna shows dual resonance. The resonance frequency of single layer patch is found to be 2.91 GHz and 3.88 GHz which increases for two layer dielectric antenna 4.17 GHz and 5.78 GHz. The frequency ratio is found to be 1.33 for single layer patch antenna and 1.38 for two layer dielectric patch antenna. In general the frequency ratio is found to depend on slot length, slot width and slot angle. The band width of single layer patch antenna is found to be 1.71% and 1.68 % for lower and upper resonance frequency while it increases for two layer dielectric 5.28 % and 2.77 %. The theoretical results are compared with the simulated results obtained from IE3D and they are in close agreement.

Published in:

Emerging Trends in Electronic and Photonic Devices & Systems, 2009. ELECTRO '09. International Conference on

Date of Conference:

22-24 Dec. 2009

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