%0 Journal Article
%T Bandwidth Enhancement and Further Size Reduction of a Class of Elliptic-Function Low-Pass Filter Using Modified Hairpin Resonators
%A Mehdi Nosrati
%A Ayat Najafi
%J PIER    C
%D 2008
%I EMW Publishing
%X A compact elliptic-function low pass filter using microstrip stepped-impedance modified-hairpin resonators is developed and a multiple cascaded filter using semi-hairpin resonators is designed, analyzed and tested. Sharpness of cut off frequency, low insertion-loss, enhancement of bandwidth and very compact size are features of the proposed low-pass filter. Size reduction of this filter is reported about 62% with 13% enhancement of bandwidth respects to the conventional filter with comparable performance. The measurement results are in good agreement with the theoretical ones.
%U http://www.jpier.org/pierc/pier.php?paper=08121607