Abstract:A new analytic approach for modeling nonlinear RF circuits/subsystems, under multitone excitation is proposed. Particularly, the intermodulation (IM) distortion of fifth-order memoryless nonlinear systems is predicted under a randomly phase-modulated multitone excitation. The efficiency of the proposed approach is demonstrated by analyzing standard IM figures of merit such as MIMR and ACPR of a commercial RF power amplifier for different values of input power and number of input tones. The obtained results wer… Show more
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