planar antenna

Hello everyone, could anyone help me how to find balun (one chip) for AX5243-1-TW30 868 MHz? And in addition could you recommend the most suitable antenna planar or chip? I understand that it depends on many factors but if you have any experience with configuration of AX5243-1-TW30 + balun +...

Hi everyone, I am struggling with antenna design for my PCB. This is how my PCB looks like. I have started just by copy designs which have already exist and want to modify them but I am not even copy and simulate antenna from TI. I try to simulate the exact copy of this antenna using HFSS...