出版社：Society for Microwave Technique, Technologies and Systems, Serbia and Montenegro IEEE MTT-S Chapter
摘要：A novel tri-mode asymmetric resonator that consists of a single-mode and a dual-mode resonator is presented. A detailed description and analysis of its behaviour is given and an analytical procedure for resonance positioning is provided. Using the proposed resonator two tri-band bandpass filters that operate at 2.4/3.5/5.2 and 1.8/2.4/3.5 GHz have been designed, fabricated and measured. The filters have good in-band and out-of-band characteristics as well as compact dimensions of only 0.24¦Ëg¡Á 0.115¦Ëgand 0.163¦Ëg¡Á 0.154¦Ë
