NDLI: SIW magic-T with bandpass response

Content Provider	IET Digital Library
Author	Li, Peng Chu, Hui Chen, Ru Shan
Abstract	A novel magic-T with bandpass filtering response using substrate integrated waveguide (SIW) technology is presented. The basic design concept is based on properly locating the two power-division ports in a dual-mode circular SIW cavity, whose field distributions are even or odd symmetric. Not only in-phase and out-of-phase operations can be achieved in the magic-T, but also filtering responses for the two operations can be obtained. This magic-T is fabricated in a single-layer PCB and measured results show that it is centred at 9 GHz with 70 MHz 3 dB bandwidth. Good measured performance of balance for magnitude (±0.35 dB) as well as phase (0°–5°) is also obtained within the passband.
Starting Page	1078
Ending Page	1080
Page Count	3
ISSN	00135194
Volume Number	51
e-ISSN	1350911X
Issue Number	Issue 14, Jul (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/51/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2015.0640
Journal	Electronics Letters
Publisher Date	2015-06-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Band-pass Filter Bandpass Filtering Response Bandwidth 70 MHz Circular Waveguide Dual-mode Circular SIW Cavity Field Distribution Filter And Other Network Frequency 9 GHz PCB Power Divider Power-division Ports Printed Circuit SIW Magic-T Substrate Integrated Waveguide Substrate Integrated Waveguide Technology 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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