SMALL-SIZE LOW-LOSS BANDPASS FILTERS ON SUBSTRATE-INTEGRATED WAVEGUIDE CAPACITIVELY LOADED CAVITIES EMBEDDED IN LOW TEMPERATURE CO-FIRED CERAMICS

The design of small-sized and low-loss filters for wireless communications and other applications was investigated. Miniaturised capacitively loaded substrate-integrated waveguide (SIW) cavities were prepared using low-temperature co-fired ceramics (LTCC) technology. An attempt was made to demonstra...

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Bibliographic Details
Published in:Journal of Ceramic Science and Technology 2015-12, Vol.6 (4), p.305-314
Main Authors: Turgaliev, V, Kholodnyak, D, Muller, J, Hein, M A
Format: Magazinearticle
Language:English
Subjects:
Ceramics
Design engineering
Flexibility
Frequency ranges
Holes
Resonators
Waveguides
Wireless communication
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Summary:The design of small-sized and low-loss filters for wireless communications and other applications was investigated. Miniaturised capacitively loaded substrate-integrated waveguide (SIW) cavities were prepared using low-temperature co-fired ceramics (LTCC) technology. An attempt was made to demonstrate the possibilities and flexibility offered by LTCC technology for the design of advanced microwave filters on capacitively loaded cavities (CLCs). Different design and manufacturing aspects were considered and various design examples of high-performance LTCC resonators and filters for single- and dual-band wireless applications are presented. The designed resonators and filters were manufactured using the commercial DuPont Green Tape 951 LTCC system. The LTCC filters on miniaturised CLCs had advantages regarding their small size, low loss and the absence of spurious response over a wide frequency range.
ISSN:2190-9385
DOI:10.4416/JCST2015-00053