NI AWR Design Environment/AXIEM EM Co-Simulation with Modelithics Model Library
Combining high accuracy parasitic models with accurate electromagnetic (EM) analysis is not necessarily a straightforward process. Modelithics Global Models, which account for many different parasitic and substrate related effects combined with NI AWR Design Environment/AXIEM EM analysis tool increases designer success. This paper outlines a best-practice procedure for using these tools together. In addition, a comparison of simulated to measured data for an example filter will be covered. The data shows that good results can be achieved within a circuit simulation, by using parasitic models combined with built-in transmission line elements; however, even better results are achieved by adding an EM analysis of all the interconnect effects.
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