Journal of Electrical Engineering and Electronic TechnologyISSN: 2325-9833

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Research Article, J Electr Eng Electron Technol Vol: 2 Issue: 1

Design of Miniaturized Dual Band Microstrip Antenna Loaded With Asymmetric J Slot

Abdullah Al Noman Ovi*, Mahdy Rahman Chowdhury, Md. Rashedul Alam Zuboraj and Md. Abdul Matin
Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Bangladesh
Corresponding author : Abdullah Al Noman Ovi
Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
E-mail: [email protected]
Received: September 17, 2012 Accepted: December 21, 2012 Published: December 27, 2012
Citation: Al Noman Ovi A, Chowdhury MR, Alam Zuboraj MR, Matin MA (2013) Design of Miniaturized Dual Band Microstrip Antenna Loaded With Asymmetric J Slot. J Electr Eng Electron Technol 2 :1. doi:10.4172/2325-9833.1000105

Abstract

Design of Miniaturized Dual Band Microstrip Antenna Loaded With Asymmetric J Slot

In this paper, a novel design of miniaturized dual band microstrip antenna has been proposed with necessary theoretical discussion. The single layer probe feed antenna has only 23 mm × 23 mm patch. The antennas has dual band characteristics for 3G mobile, WLAN, Wi-Fi and various other applications. The bandwidth performance of each small antenna is quite satisfactory in S-band (2 GHz-4 GHz) range. Moreover, high directivity is a primary requirement for modern satellite based communication systems. The directivities of proposed two antennas are above 6 dB (at broadside) at both bands. The frequency ratio and frequency shift of the resonant frequency can be controlled by cutting new slits and changing slit lengths. These all are discussed here from theoretical point of view and simulation based results.

Keywords: Microstrip antenna; Dual band; s-parameter; Radiation pattern; Input impedance

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