波导管
平面的
功率分配器和定向耦合器
天线(收音机)
物理
混合耦合器
共面波导
作者
Ashraf Uz Zaman,Tin Vukusic,Mats Alexanderson,Per-Simon Kildal
标识
DOI:10.1109/lawp.2013.2293151
摘要
This letter describes a simple and low-loss microstrip-to-ridge gap waveguide transition with a very compact geometry. The transition transforms the electromagnetic (EM) fields from the microstrip mode to the air-filled ridge gap waveguide mode. This is achievable if the height of the air gap in the ridge gap waveguide is kept almost equal to the thickness of the substrate of the microstrip line. The transition has a pressure contact between the ridge and the microstrip line, so it works without soldering. This is advantageous in systems that require mechanically separable split-blocks or modules and need a lot of transitions. Experimental results of the manufactured back-to-back transition show an insertion loss of 0.32 dB and a return loss of 14.15 dB over 55% relative bandwidth in Ka-band.
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