Title :
Bandpass filter using TM-mode dielectric rod resonators with novel input coupling
Author_Institution :
Panasonic Electron. Devices Eur. GmbH, Lueneburg, Germany
Abstract :
In this paper, a bandpass filter is presented, which is based on TM-mode operation in dielectric rods. The bandpass filter consists of 7 resonators, has a center frequency of 1950 MHz, a bandwidth of 60 MHz and two cross-couplings by cascaded quadruplet configurations for improved blocking performance. The layout will be discussed. A novel input coupling assembly is introduced. Parametric study for the coupling performance is presented. Furthermore, measurement results are shown.
Keywords :
band-pass filters; dielectric resonators; TM-mode dielectric rod resonator; bandpass filter; bandwidth 60 MHz; cascaded quadruplet configuration; cross-couplings; frequency 1950 MHz; input coupling; Air gaps; Band pass filters; Bandwidth; Ceramics; Dielectric devices; Dielectric materials; Frequency; Resonator filters; Thermal expansion; Thermal stresses;
Conference_Titel :
Microwave Symposium Digest, 2009. MTT '09. IEEE MTT-S International
Conference_Location :
Boston, MA
Print_ISBN :
978-1-4244-2803-8
Electronic_ISBN :
0149-645X
DOI :
10.1109/MWSYM.2009.5166018
