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In this paper a recently proposed detailed distortion analysis technique is extended to apply in a rather complex VBIC model that contains multidimensional current and charge models. The technique is implemented on top of normal harmonic balance simulation, and it is based on fitting polynomial models for all nonlinear I-V and Q-V sources of the device, and(More)
The main emphasis in modern RF power amplifier (PA) research is on improving linearity while at the same time maintaining reasonably good efficiency, for which purpose external linearization in the form of feedforward or predistortion is often used. Linearity and linearization can be considered from both a fundamental signal (amplitude and phase(More)
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