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September 2010 [Components] Analyze IMD-Causing Frequency Components Amplifiers based on MOSFET devices can suffer nonlinearities traceable to harmonic signal components. To better understand this phenomenon, an analysis was performed, based on polynomial substations, to identify the signal components that can affect the nonlinear performance of an amplifier operated at relatively high input signal levels. Polynomial substitutions were performed with the Mathematica software from ... September 2009 [Devices & ICs] Modify MOSFET Models For Nonlinear Quantification Scaling silicon CMOS transistors to smaller and smaller dimensions has made them serious competitors to traditional high-frequency transistors in many RF and microwave applications.1 Of course, creating accurate models of these shrinking devices is an important part of modern computer-aided-engineering (CAE) design practices, and linearity is a key issue in these models especially for RF/microwave circuits, not only in high-power... |
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