Abstract

AbstractThe even‐order effects in the power amplifier (PA) modeling have been studied extensively for single band, but the even‐order nonlinearity for the dual bands remains undocumented, if not underived, to the best of our knowledge. Recent advances in communication technologies, fifth generation (5G), require concurrent multiple bands. In this letter, we will show that the even‐order nonlinearity is insignificant as it could be filtered in most of the cases, using analytic derivations for dual‐band power amplifiers. However, the even‐order distortion could be used for memory study.

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