rahulv1010
Newbie level 1
i am making square shape patch antenna at resonant frequency 1.5ghz .. but the zero iteration return loss curve is not going below 3.5 db ...... the dimensions with i took are 48 by 48 and feed is of 24 by 2 ... i have tried changing the feed length but nthin is helping much .. i dont know where the problem is .... please provide some suggestions . i am using ie3d for the simulation .