Design of a Ka-band Filter with Narrow Pass Band Based on Substrate Integrated Waveguide

GE Junxiang; LI Hao; YANG Xianzhi; WANG Jie

doi:10.11999/JEIT160647

Volume 39 Issue 5

May 2017

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GE Junxiang, LI Hao, YANG Xianzhi, WANG Jie. Design of a Ka-band Filter with Narrow Pass Band Based on Substrate Integrated Waveguide[J]. Journal of Electronics & Information Technology, 2017, 39(5): 1245-1249. doi: 10.11999/JEIT160647

Citation:

GE Junxiang, LI Hao, YANG Xianzhi, WANG Jie. Design of a Ka-band Filter with Narrow Pass Band Based on Substrate Integrated Waveguide[J]. Journal of Electronics & Information Technology, 2017, 39(5): 1245-1249. doi: 10.11999/JEIT160647

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Design of a Ka-band Filter with Narrow Pass Band Based on Substrate Integrated Waveguide

doi: 10.11999/JEIT160647

Funds:

The National Natural Science Foundation of China (61372066), Jiangsu Innovation Entrepreneurship Group Talents Plan

Received Date: 2016-06-16
Rev Recd Date: 2016-12-08
Publish Date: 2017-05-19

Abstract

Abstract

In view of the difficulty of implementing the narrow band and integration simultaneously for the traditional Ka-band filter, a Ka-band filter with narrow pass band is designed based on Substrate Integrated Waveguide (SIW). The filter adopts the structure with dual-mode circle cavity and ellipse cavity cascaded, which achieves the advantages of high frequency selectivity due to the transmission zeros both in upper and lower sideband. The measured results show that the filter has a relative bandwidth of 2.85%, insertion loss of 3.4 dB, and return loss is more than 15 dB at a center frequency 35 GHz, and the results are in good agreement with the simulation results. The measured results verify that the filter has great application value in millimeter system.
- Narrow-band filter,
- Ka-band,
- Substrate Integrated Waveguide (SIW),
- Dual-mode cavity

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References(20)

References

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