3. Non-linear distortions
The terms "linearity" and "non-linearity" refer to the effects of non-linear distortions, which are functions of signal amplitude, as opposed to linear distortions such as filtering.
We're only interested in the first category here. The linearity of a system is its ability to deliver a signal that is homothetic at all points to the input signal, and although not all RF power applications require the same quality with regard to this criterion, a good understanding of its aspects is necessary for the implementation of RF power circuits. After a brief description of the linearity issue, this section looks at the problems of definition and characterization, and reviews a number of linearization processes, some of which are applicable to amplifiers alone, others to the complete system.
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Non-linear distortions
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- (1) - DE GROOTE (F.), JARDEL (O.), TEYSSIER (J.-P.), GASSELING (T.), VERSPECHT (J.), MALLETTE (V.), TSIRONIS (C.) - On-Wafer Time Domain Load-Pull Optimization of Transistor Load Cycle with the New Multi-Harmonic MPT Tuner (Optimisation du cycle de charge de transistors sur wafer par une méthode multi-harmonique...
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