LPDA design reg.

hello everyone,
i have planned to design LPDA for the bandwidth of 400MHZ -1000MHZ for our project purpose. i want to know whether it is possible to do it(i.e.for such a wide bandwidth). i am really confused about it. someone guide me... pls.....

Hello,
Yes its possible.LPDA antennas are built for wide bandwidths. I have attached two pdf files. Go through them, I think they would be helpful.

hello!

i have the same problem. i want to made a printed LPDA and i would like to know if i can use the same formulaes like a wire LPDA?

it says that Carrel's formulaes is good but when i simulate with IE3D i dont have good results.

please help!

thanks