High Frequency Behavioral Models Based on Volttera Series
نویسنده
چکیده
1 Abstract—Explorations and experimentations of Volttera-series-based behavior models are presented in this report. Basic model structures including a frequency shaping block and a resistive nonlinear gain block are analyzed algebraically and experimentally. A compositional model based on the two basic models is presented, and its measuring strategy is also discussed. Predicted performance matrices (harmonic and inter-modulation distortions) based on the experimental models are compared to the Spectre simulations results using time-consuming periodic steady state analysis. Our analysis on the accuracy of the models show that GX model gives relatively more accurate results on harmonic distortions than YG, and YG model gives relatively more accurate results of inter-modulation distortions than GX. GXG, the compositional model, gives very accurate estimation of inter-modulation at small input signal levels.
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