Millimeter-wave six-port in combined microstrip and substrate-integrated waveguide technologies

2010 ◽  
Vol 52 (11) ◽  
pp. 2488-2493 ◽  
Author(s):  
Bouraima Boukari ◽  
Emilia Moldovan ◽  
Razvan I. Cojocaru ◽  
Ke Wu ◽  
Renato G. Bosisio ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Substrate Integrated Waveguide

Broadband Transition between Substrate Integrated Waveguide (SIW) and Rectangular Waveguide for Millimeter-Wave Applications

2011 ◽  
Vol 130-134 ◽  
pp. 1990-1993 ◽  
Author(s):  
Kuang Da Wang ◽  
Wei Hong ◽  
Ke Wu
Keyword(s):  
Millimeter Wave ◽  
Rectangular Waveguide ◽  
Return Loss ◽  
Substrate Integrated Waveguide ◽  
Full Wave ◽  
Vertical Transition ◽  
W Band ◽  
Relative Bandwidth ◽  
Is Design ◽  
Better Than

In this paper, a broadband and simple vertical transition between substrate integrated waveguide and standard air-filled rectangular waveguide is design and experimentally verified. From full-wave simulation of the structure, a relative bandwidth of 19.5% in W-band with return loss better than 20dB is reached. Then, five copies of back-to-back connected transitions are fabricated on RT/Duroid 5880 substrate. The experimental results show that the transition pairs have an average of 15% relative bandwidth with return loss better than 12dB and insert loss lower than 1.2dB. To explain the differences between simulated and tested results, an error analysis is presented.

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