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Ultra-wideband (UWB) eight-way ring-cavity power divider

Published online by Cambridge University Press:  13 May 2014

Shunyong Hu ,
Kaijun Song  and
Yong Fan
Shunyong Hu
Affiliation:
EHF Key Laboratory of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Kaijun Song*
Affiliation:
EHF Key Laboratory of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
Yong Fan
Affiliation:
EHF Key Laboratory of Fundamental Science, School of Electronic Engineering, University of Electronic Science and Technology of China, Chengdu 611731, China
*
Corresponding author: K. Song Emails: [email protected]; [email protected]
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Abstract

A novel compact ultra-wideband (UWB) eight-way ring-cavity power divider is presented in this paper. To broaden the bandwidth of the power divider/combiner, the stepped-impedance technology is used to realize the impedance match. The network of this eight-way ring-cavity power divider has been analyzed. The measured results reasonably agree with the simulated ones. The measured return loss is greater than 10 dB from 5.2 to 18.6 GHz. The average insertion loss, amplitude imbalance, and phase imbalance are around 9.4 dB (including the 9-dB power-dividing insertion loss), ±0.7 dB, ±6°, respectively, across the entire operating frequency range.

Keywords

Ultra-wideband (UWB)Coaxial taperPower dividerRing cavityStepped impedance
Type
Research Papers
Information
International Journal of Microwave and Wireless Technologies , Volume 7 , Issue 2 , April 2015 , pp. 115 - 120
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2014 

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References

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