International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 07 Issue: 05 | May 2020 www.irjet.net p-ISSN: 2395-0072 © 2020, IRJET | Impact Factor value: 7.529 | ISO 9001:2008 Certified Journal | Page 915 PERFORMANCE AND ANALYZE OF CROSS DIPOLE ANTENNA WITH PARASITIC ELEMENTS Dr.S.Sathiya Priya [1] , S.Nalini [2] , R.Sandhiya [3] , S.Sneha [4] [1] Professor, Department of ECE, Panimalar Institute of Technology, Tamilnadu, India [2], [3], [4] Final Year Student, Department of ECE, Panimalar Institute of Technology, Tamilnadu, India --------------------------------------------------------------------------***----------------------------------------------------------------------- Abstract — The broadband Circularly polarized (CP) crossed dipole antenna is presented. The proposed antenna consists of crossed bowtie dipole with four unequal cross slots and four unequal parasitic rectangular strips. The sequential phases of crossed bowtie dipole contain cross slots that can generate a CP mode. The proposed antenna contain two asymmetric bowtie dipole antenna. The one CP mode are generate by parasitic strips due to sequentially rotated configuration. The broadband CP operation is achieved by combining of the crossed bowtie dipole with cross slot and parasitic strips. The experimental and simulated results are studied in arranged manner. The proposed antenna achieved a wide impedance bandwidth and axial ratio bandwidth are shown. The proposed antenna produces a peak gain of 6.84 dBi . Index Terms- Circular polarization (CP), Broadband, Asymmetric bowtie, Crossed bowtie dipole, parasitic elements. I. INTRODUCTION Circular polarization (CP) antennas are used in modern wireless communication systems because it is one of the important polarisation type of electromagnetic waves. CP antennas can suppress multipath interference, mitigate polarization mismatch and combat Faraday effect. In recent year a Broadband CP antenna have been highly demanded because of its high data rate communication and high speed transmission Crossed dipole is an excellent candidate for realization of CP antenna. Crossed dipole antenna has simple structure, wide band and low cost. A single-feed CP crossed dipole antenna exbhits a 3 dB axial ratio bandwidth (ARBW) of 15.6% are presented [15]. It contains 2*2 array arrangement in a sequentially rotated configuration [2] and has bandwidth upto 39.2% [13]. Initially A wideband CP operation are proposed by several techniques such as employing multiple radiators, loading parasitic elements and dipoles with wideband responses [12] contain a two unequal orthogonal dipoles that suffers a narrow ARBW of 7.55%. From a previous antenna define has contain a one CP mode and limited IBW and ARBW. In this proposed antenna contain two CP modes. It has a wide IBW and an admirable ARBW. It also produce an exceptional peak gain in dBi. II. ANTENNA DESIGN AND ANALYSIS The proposed antenna are shown in Fig. 1. It consists two crossed bowtie dipole, four cross slots and four unequal parasitic rectangular strip, printed on an FR-4 substrate with a dimension of 75mm *75mm *0.6 mm. The two vacant quarter rings connected with  phase difference of crossed bowtie dipole antenna. The cross slot present in bowtie dipole antenna used to generate one CP mode. Other additional CP mode are generated by four unequal parasitic rectangular strips presented in above of substrate. The dimension of square ground plane is Wg*Wg*2 mm 3 .It used to provide unidirectional pattern. Fig. 1. The Proposed Antenna