50 GHz End Launch Connector Test Boards: The Description of the Development of Coax to Grounded Coplanar Launches and Through Lines on 30 mil Rogers 4350 Material with Comparison to Microstrip

摘要

The methodology for broadband (50 GHz) transitions from coax to GCPWG is explained through following the development of connector test boards. How to create broadband GCPWG lines is explained and verified through 3D simulation and actual measurements, including an explanation and verification of the purpose of the vias. The difference between microstrip and GCPWG on 30 mil RO4350 material, especially relating to bandwidth and loss, is examined through measurement of boards. The effect of the connectors is removed from all of the measurements by using the exact same two connectors for all of the measurements.