Broadband circularly polarized antenna for mobile application on low cost FR-4 material

摘要

AbroadbandCPantennaforwirelesscommunicationispresentedandexperimentallyinvestigatedinthiscommunication.Theproposedantennaconsistsofatriangleshaperadiatorconnectedwith50#8486;microstripfeedline.Theantennahasachievedmeasuredimpedancebandwidthof1.03GHz(1.68-2.71GHz)and1.43GHz(3.27-4.7GHz)with3dBaxialbandwidthof230MHz(2.51-2.74GHz).Theelectricdimensionoftheproposedantennais0.26lambda;times;0.21lambda;times;0.01lambda;,atlowerfrequency.Moreover,theantennahasshownastableradiationpatternwithgoodantennaperformances.Theperformancehasbeenstudiedwithdifferentsubstratematerials.Inaddition,theSpecificAbsorptionRate(SAR)analysishasbeeninvestigatedfortheproposedantenna.