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Ridge Substrate Integrated Waveguide (RSIW) Dual-Band Hybrid Ring Coupler

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3 Author(s)
Djerafi, T. ; Poly-Grames Res. Center, Ecole Polytech. de Montreal, Montreal, QC, Canada ; Aubert, H. ; Ke Wu

A novel dual-band ring coupler is proposed in Ridge Substrate Integrated Waveguide (RSIW) technology. The structure is based on two concentric rings with the outer ring loaded by a low insertion loss de-multiplexing scheme allowing independent dual band operation. The RSIW ensures a wide-band fundamental mode operation covering both frequency bands while providing a compact design. A C/K band coupler is experimentally verified showing coupling bandwidths of 6.9% and 14.6% centered at 7.25 and 20.5 GHz, respectively.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:22 ,  Issue: 2 )

Date of Publication:

Feb. 2012

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