Wideband substrate integrated waveguide power divider

A wideband substrate integrated waveguide (SIW) power divider is proposed in this paper using the single-layer printed circuit board (PCB) process. The compact transition circuit between the microstrip line and the half-mode SIW (HSIW) lines in the proposed design can function not only as a transition but also as a power divider. A good impedance matching performance can be achieved due to the similar mode characteristics. Transitions between HSIW lines and SIW lines are investigated and employed to provide SIW outputs. A prototype power divider is designed and fabricated around 26 GHz to validate the design methodology. The measurement results are consistent well with the simulated results, showing that the prototype power divider can operate from 19.7 GHz to 33.3 GHz (51.3 %) with its reflection coefficient better than -10 dB and the insertion loss is around 0.7 dB.

[1]  Mahmoud Shahabadi,et al.  Wideband substrate integrated waveguide power splitter with high isolation , 2010 .

[2]  Ke Wu,et al.  Development of substrate integrated waveguide power dividers , 2003, CCECE 2003 - Canadian Conference on Electrical and Computer Engineering. Toward a Caring and Humane Technology (Cat. No.03CH37436).

[3]  Wei Hong,et al.  Half mode substrate integrated waveguide (HMSIW) multi-way power divider , 2006, 2006 Asia-Pacific Microwave Conference.

[4]  Ke Wu,et al.  A new six-port junction based on substrate integrated waveguide technology , 2005, IEEE Transactions on Microwave Theory and Techniques.

[5]  Ke Wu,et al.  Broadband half-mode substrate integrated waveguide (HMSIW) Wilkinson power divider , 2008, 2008 IEEE MTT-S International Microwave Symposium Digest.

[6]  Wei Hong,et al.  Multiway broadband substrate integrated waveguide (SIW) power divider , 2005, 2005 IEEE Antennas and Propagation Society International Symposium.