Design a 8x8 antenna array at 9GHz

Hi everyone!

I need to design a 8x8 antenna arrays at 9 Ghz

i tried with RO 5880 but i've got difficulties to achieve impedance macthing.

i use as software, CST or ADS

is it possible to have papers or your experience about that please?
My next challenge is the same antenna but at 24 Ghz

thank for your help.

regards

hi
are you designing a butler matrix?

hi bejing!

i not desingning a butler matrix but my array has got the same phase