NDLI: Millimetre-wave broadband waveguide-based power combiner using lossy planar lines

Content Provider	IET Digital Library
Author	Xiaoqiang, Xie Qiang, Zhou Dawei, Li
Abstract	A lossy waveguide-based power combiner is proposed for broadband low-loss symmetrically combining with good port matching and isolation at millimetre-wave frequencies. In the combiner, lossy planar transmission lines are used to provide attenuation to even-mode excitations and to achieve broadband low-loss power combining with good port matching and isolation. The experimental results show that the lossy waveguide-based power combiner has a loss of about 0.14 dB and a reflection coefficient and isolation of about –15 dB in 26.5–40 GHz, respectively. The lossy waveguide-based power combiner can be used in a multi-way power amplifying–combining system to obtain millimetre-wave broadband high solid-state power with high efficiency and good stability.
Starting Page	1714
Ending Page	1715
Page Count	2
ISSN	00135194
Volume Number	50
e-ISSN	1350911X
Issue Number	Issue 23, Nov (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/50/23
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2014.3020
Journal	Electronics Letters
Publisher Date	2014-10-31
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Frequency 26.5 GHz to 40 GHz Lossy Planar Transmission Line Lossy Waveguide-based Power Combiner Microwave IC Millimetre Wave Integrated Circuit Millimetre-wave Broadband High Solid-state Power Millimetre-wave Broadband Waveguide Based Power Combiner Power Combiners Reflection Coefficient Transmission Line Waveguide And Microwave Transmission Line Component
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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