ask formula for designing printed log periodic antenna

does printed LPDA have the same formula with wire LPDA? i have already read the ARRL book about LPDA, but it tells about wire LPDA. What about printed/planar LPDA? Need your help master..

hi
pls read this paper and other LPDA work of Anja K. Skrivervik
Analysis, Design and Realization of a Novel Directive Ultra wide band Antenna
Francesco Merli, Jean-F. Zürcher, Angelo Freni, Senior Member, IEEE, and Anja K. Skrivervik
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, VOL. 57, NO. 11, NOVEMBER 2009

argh, unfortunately i am not an IEEE member so i can't download it.. anyway do you have link where i can download it free?

hi u can email me and mail it for u

fajar.pda@gmail.com

thank you very much :)