Suspended Integrated Strip-line Transition Design for Highly Integrated Radar Systems
University of Oklahoma Norman United States
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A new transition method for realizing suspended substrate strip-line SSS components into multi-layer circuit boards is presented. This approach utilizes an optimized coplanar waveguide to strip-line vertical via transition prior to a strip-line to SSS transition. A DC-20 GHz suspended integrated strip-line SISL thru is designed, simulated, and measured to provide an ultra-wideband UWB proof-of-concept for this technology. The measured results show good correlation to the simulated results with a return loss and insertion loss of less than 10 dB and greater than 3.0 dB, respectively across the 20 GHz passband.