Compact Broadband Planar Filters
W. Menzel, L. Zhu, K. Wu, F. Bogelsack
COMPACT BROADBAND PLANAR FILTERS
Wolfgang Menzel1, Lei Zhu2, Ke Wu3, Frank Bögelsack1
1
Microwave Techniques, University of Ulm, D-89069 Ulm, Germany, E-mail: wolfgang.menzel-ieee.org
2
School of Electrical & Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, E-mail: EZhuL-ntu.edu.sg
3
Department of Electrical & Computer Engineering, Ecole Polytechnique,