Joint dual-input digital predistortion of supply-modulated RF PA by surrogate-based multi-objective optimization

M Mengozzi, AM Angelotti, GP Gibiino… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
A generalized dual-input digital predistortion (DPD) methodology for supply-modulated (SM)
power amplifiers (PAs) is proposed. Contrary to classical approaches, the SM and the radio …

Automatic optimization of input split and bias voltage in digitally controlled dual-input Doherty RF PAs

M Mengozzi, GP Gibiino, AM Angelotti, A Santarelli… - Energies, 2022 - mdpi.com
Digitally controlled Dual-Input Doherty Power Amplifiers (DIDPAs) are becoming
increasingly popular due to the flexible input signal splitting between the main and auxiliary …

GaN power amplifier digital predistortion by multi-objective optimization for maximum RF output power

M Mengozzi, GP Gibiino, AM Angelotti, C Florian… - Electronics, 2021 - mdpi.com
While digital predistortion (DPD) usually targets only the linearity performance of the radio–
frequency (RF) power amplifier (PA), this work addresses more than a single PA …