Variable Length Dipole Antenna with Split Ring Resonators
Journal Title: Scholars Journal of Engineering and Technology - Year 2016, Vol 4, Issue 10
Abstract
Abstract:A Microstrip patch antenna is used in various applications (like Radar, Satellites) with different length dipoles. The value of return loss must be substantially good enough to meet the required performance level for the particular application. For this, length of dipoles is adjusted according to the material used in ground reflector to get a good value of return loss. A conventional SDP antenna consisting of two dipoles of different length and a ground reflector, which are serially connected with a transmission line, is designed for operating frequency range 1.7-2.7 GHz. The proposed antenna is designed on FR-4 substrate having Є=4.3 using electromagnetic simulator software called CST Microwave Studio Suite®. To improve the performance characteristics of the designed antenna regarding Directivity, Return Loss and gain a Split Ring Resonator (SRR) is mounted on top of the designed SDP. Numerical results show the improved results with improved operating frequency up to 3.2 GHz, enhanced directivity of 9.29dBi and increased gain of 7.98 dB. Keywords:Microstrip Patch Antenna-MSA; SDP- Series-fed Dipole pair; Computer Simulation Technology (CST).
Authors and Affiliations
Manisha . , Dinesh Sethi
Keywords
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