An X-band substrate integrated waveguide attenuator

ABSTRACT An X‐band substrate integrated waveguide (SIW) attenuator is presented for the first time. To gain the desired attenuation level, a resistive π‐network was structured using standard surface‐mount device resistors while retaining a predefined mode transition and impedance matching condition....

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Bibliographic Details
Published in:Microwave and optical technology letters 2014-10, Vol.56 (10), p.2446-2449
Main Authors: Eom, Dong-Sik, Lee, Hai-Young
Format: Article
Language:English
Subjects:
Attenuation
attenuator
Attenuators
chip resistor
Frequency ranges
Gain
Microwaves
Resistors
SMD component
substrate integrated waveguide
Waveguides
X-band
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Summary:ABSTRACT An X‐band substrate integrated waveguide (SIW) attenuator is presented for the first time. To gain the desired attenuation level, a resistive π‐network was structured using standard surface‐mount device resistors while retaining a predefined mode transition and impedance matching condition. The attenuator prototype features the measure of attenuation level (−1, −3, and −5dB) across 8.04–11.12 GHz frequency range. The attenuator may contribute to design of a genuine SIW circuit. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:2446–2449, 2014
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.28607