Abstract: Full wave electromagnetic field solvers are essential tools in computer-aided microwave circuit design. When properly configured, commercial simulators are capable to analyze phenomena at microwave and millimeter-wave frequencies. Nonetheless, an assessment of the accuracy with which the simulation of ultra-broadband interconnects is accomplished becomes a difficult task. This is in part due to the large dependence of frequency-domain results with the selection of the computational domain of electromagnetic fields. This paper introduces a benchmark as a systematic method for the simulation of planar interconnects. Our method computes the line impedance to solve the size of numeric ports and the computational domain of fields. Its foundation lies on the modelling of microwave circuits allowing accurate predictions at high frequencies. The solution is validated by comparing simulation results with previously reported measurements of a Substrate Integrated Waveguide structure designed to operate in Ka band (26.5-40 GHz). It is seen that the method is well-suited for optimization of interconnects since the benchmark solution diminishes radiation losses associated to unwanted interactions with the bounding box. Our simulations make use of a commercial field solver based on finite difference time-domain method.
Keywords: Electromagnetic field solvers, Finite difference time domain, Planar interconnect, Line impedance computation and Substrate integrated waveguide.
Title: A Benchmark for Full Wave Electromagnetic Simulation of Optimized Planar Interconnects
Author: Jorge Aguilar-Torrentera, Manuel Munguia-Macario
International Journal of Electrical and Electronics Research
ISSN 2348-6988 (online)
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