Digital Predistortion Linearization of a GaN HEMT Push-Pull Power Amplifier for Cable Applications With High Fractional Bandwidth. - Pere Lluís Gilabert; Jose-Ramon Perez-Cisneros; Zhixiong Ren; Gabriel Montoro; María de Las Nieves Ruiz Lavín; Jose A. García 002 (IEEE Trans. Broadcast., 2023)