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Measurement of Nonlinear Characteristics of RF Amplifiers [Copy link]

This paper introduces how to use the high-precision signal analyzer R&S FSQ and digital signal source R&S SMU200A of Rohde & Schwarz to accurately measure the nonlinear characteristics of RF amplifiers in actual working conditions, and proposes a digital pre-distortion solution for RF amplifiers based on this. This solution uses the free software R&S AmpTune, which can save a lot of time and cost for the linearization design and testing of RF amplifiers, especially base station amplifiers.
Keywords: nonlinearity; linearization; AM/AM; AM/PM; digital pre-distortion

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