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Integrated microstrip and rectangular waveguide in planar form

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2 Author(s)
Deslandes, D. ; Dept. de Genie Electr., Ecole Polytech. de Montreal, Que., Canada ; Ke Wu

Usually transitions from microstrip line to rectangular waveguide are made with three-dimensional complex mounting structures. In this paper, a new planar platform is developed in which the microstrip line and rectangular waveguide are fully integrated on the same substrate, and they are interconnected via a simple taper. Our experiments at 28 GHz show that an effective bandwidth of 12% at 20 dB return loss is obtained with an in-band insertion loss better than 0.3 dB. The new transition allows a complete integration of waveguide components on substrate with MICs and MMICs.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:11 ,  Issue: 2 )