4.4 Article

Impact of Ground via Placement in Grounded Coplanar Waveguide Interconnects

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCPMT.2015.2507121

关键词

Channelized coplanar waveguide (CCPW); conductor backed CPW (CB-CPW); finite ground CB-CPW (FG-CBCPW); grounded CPW (GCPW); modes; resonant frequency; via; via fence

资金

  1. National Science Foundation [ECCS-1231368]
  2. Directorate For Engineering
  3. Div Of Electrical, Commun & Cyber Sys [1231368] Funding Source: National Science Foundation

向作者/读者索取更多资源

Methods for higher order parallel plate mode suppression in grounded coplanar waveguides (GCPW) using unique ground via structures are presented in this paper. Suppression of these higher order modes can increase GCPW bandwidth. The ground via fence parameters that affect the bandwidth of the GCPWs are also discussed. Two new structures using staggered ground via fences and with defected side ground planes, for improving GCPW performances while meeting fabrication and routing requirements, are discussed. These two methods improve the interconnect bandwidth by 62.2% and 27.8%, respectively. The measured and simulated results of a test GCPW structure are in close agreement.

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