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Content Provider | IEEE Xplore Digital Library |
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Author | Pelliccia, L. Cacciamani, F. Tomassoni, C. Sorrentino, R. |
Copyright Year | 2011 |
Description | Author affiliation: University of Perugia, DIEI, Via G. Duranti 93, 06125, Italy (Pelliccia, L.; Cacciamani, F.; Tomassoni, C.; Sorrentino, R.) |
Abstract | This paper presents a solution for ultra-compact pseudoelliptic dual-mode filters using high permittivity dielectric resonators. The basic idea consists of using a pair of degenerate resonant TM modes within a cavity loaded with a very high-permittivity puck. Nonresonating modes, instead, are exploited so as to produce a direct coupling between the input and the output of the dielectric-loaded cavity. In this way, a single cavity can provide two transmission poles and zeros, thus leading to N-pole and N-zero filters. The proposed configuration yields very compact and geometrically simple structures with resonator unloaded Q around 3000 at C-band. The geometrical dimensions of a 4-pole and 4-zero waveguide filter for C-band applications are 32×32×20 $mm^{3}$ (using ε=34). Its FBW is 2.4% and the in-band IL is 0.3 dB by $HFSS^{®}$ simulations. The first prototype of the $4^{th}$ order filter is going to be fabricated. |
Starting Page | 143 |
Ending Page | 146 |
File Size | 927608 |
Page Count | 4 |
File Format | |
ISBN | 9781457720345 |
e-ISBN | 9780858259744 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2011-12-05 |
Publisher Place | Australia |
Access Restriction | Subscribed |
Rights Holder | Institution of Engs Australi |
Subject Keyword | Resonator filters Band pass filters Microwave filters Cavity resonators Filtering theory Dielectrics Probes dual-mode resonators Bandpass filters waveguide filters dielectric resonators |
Content Type | Text |
Resource Type | Article |
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