CST – Computer Simulation Technology



FEST3D is a software tool capable of analysing complex passive microwave components based on waveguide technology (including multiplexers, couplers and filters) in very short computational times with high accuracy. This suite offers all the capabilities needed for the design of passive components such as optimization and tolerance analysis. Moreover, FEST3D advanced synthesis tools allow designing bandpass, dual-mode and lowpass filters from user specifications.

FEST3D is based on the integral equation technique efficiently solved by the Method of Moments. Additionally, the Boundary Integral-Resonant Mode Expansion (BI-RME) method is employed for extracting the modal chart of complex waveguides with arbitrary cross-section. The successful combination of such methods ensures a high degree of accuracy, as well as reduced computational resources (in terms of CPU time and memory) compared to mode-matching methods.

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