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A Ka-Band Broadband Integrated Transition of Air-Filled Waveguide to Laminated Waveguide

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2 Author(s)
Xiaobo Huang ; Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Hong Kong, China ; Ke-Li Wu

In this letter, a novel compact and broadband integrated transition between a laminated waveguide and an air-filled rectangular waveguide operating in Ka band is proposed. A three-pole filter equivalent circuit model is employed to interpret the working mechanism and to predict the performance of the transition. A back-to-back prototype of the proposed transition is designed and fabricated for proving the concept. Good agreement of the measured and simulated results is obtained. The measured result shows that the insertion loss of better than 0.26 dB from 34.8 to 37.8 GHz can be achieved.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:22 ,  Issue: 10 )