NDLI: Compact dual-passband LTCC filter exploiting eighth-mode SIW and SIW hybrid with coplanar waveguide

Content Provider	IET Digital Library
Author	Xiangjun, Zhang Caoyuan, Ma Deqiang, Cheng
Abstract	A compact dual-passband low-temperature ceramic con-fired (LTCC) filter is proposed. Its electrical size is reduced by exploiting an eighth-mode substrate integrated waveguide (SIW) and a conventional SIW hybrid with a coplanar waveguide (CPW). The filter is fabricated on multilayer ceramic, which makes the filter even more compact. The filter was fabricated and measured. The measured results show that the filter has dual-passband, the first passband is centred at 8.0 GHz with 0.95 GHz 3 dB bandwidth, and the second passband is centred at 11.1 GHz with 0.41 GHz 3 dB bandwidth. The filter has low passband insertion and sharp roll-off characteristics at the transition band. The volume of the filter is only 9.6 × 9.6 × 1.4 mm3.
Starting Page	1849
Ending Page	1851
Page Count	3
ISSN	00135194
Volume Number	50
e-ISSN	1350911X
Issue Number	Issue 24, Nov (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/50/24
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2014.2555
Journal	Electronics Letters
Publisher Date	2014-11-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bandwidth 0.41 GHz Bandwidth 0.95 GHz Ceramic Packaging Compact Dual-passband Low-temperature Ceramic Con-fired Filter Coplanar Waveguide CPW Eighth-mode Substrate Integrated Waveguide Electrical Size Filter And Other Network Frequency 11.1 GHz Frequency 8.0 GHz LTCC Filter Microwave Filter Multilayer Ceramic Passband Insertion Product Packaging SIW Hybrid Substrate Integrated Waveguide Transition Band Waveguide And Microwave Transmission Line Waveguide And Microwave Transmission Line Component
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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