A design of a dual-band bandpass filter based on modal analysis for modern communication systems
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F20%3A43959797" target="_blank" >RIV/49777513:23220/20:43959797 - isvavai.cz</a>
Result on the web
<a href="https://www.mdpi.com/2079-9292/9/11/1770" target="_blank" >https://www.mdpi.com/2079-9292/9/11/1770</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/electronics9111770" target="_blank" >10.3390/electronics9111770</a>
Alternative languages
Result language
angličtina
Original language name
A design of a dual-band bandpass filter based on modal analysis for modern communication systems
Original language description
A dual-band bandpass filter (BPF) composed of a coupling structure and a bent T-shaped resonator loaded by small L-shaped stubs is presented in this paper. The first band of the proposed BPF covers 4.6 to 10.6 GHz, showing 78.9% fractional bandwidth (FBW) at 7.6 GHz, and the second passband is cantered at 11.5 GHz with a FBW of 2.34%. The bent T-shaped resonator generates two transmission zeros (TZs) near the wide passband edges, which are used to tune the bandwidth of the first band, and the L-shaped stubs are used to create and control the narrow passband. The selectivity performance of the BPF is analyzed using the transfer function extracted from the lumped circuit model verified by a detailed even/odd mode analysis. The BPF presents a flat group delay (GD) of 0.45 ns and an insertion loss (IL) less than 0.6 dB in the wide passband and a 0.92 IL in the narrow passband. A prototype of the proposed BPF is fabricated and tested, showing very good agreement between the numerically predicted and measured results.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20201 - Electrical and electronic engineering
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Electronics
ISSN
2079-9292
e-ISSN
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Volume of the periodical
9
Issue of the periodical within the volume
11
Country of publishing house
CH - SWITZERLAND
Number of pages
13
Pages from-to
1-13
UT code for WoS article
000593643900001
EID of the result in the Scopus database
2-s2.0-85094556900