Better Predictions of Microwave Amplifier Small Signal Performances with FEM Simulator

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Provided by: The International Journals of Engineering & Sciences (IJENS)
Topic: Hardware
Format: PDF
In this paper, the authors provide an alternative and highly accurate method in predicting Small Signal Performance of Microwave Amplifier. An ElectroMagnetic (EM) simulator that based on Finite Element Method (FEM) was used in combination with the conventional SPICE-based microwave circuit simulator in order to demonstrate the superiority in performance outcome such as Rollet stability factor (K), return loss and small signal gain. The method known as EM/circuit co-simulation assures a microwave amplifier that functions with the first PCB tape-out, therefore multiple PCB layouts can be avoided, which not only reduce development time but also design and manufacturing cost respectively.
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