A Transformer-Combined 31.5 dBm Outphasing Power Amplifier in 45 nm LP CMOS With Dynamic Power Control for Back-Off Power Efficiency Enhancement.
Wei TaiHongtao XuAshoke RaviHasnain LakdawalaOfir B. DeganiL. Richard CarleyYorgos PalaskasPublished in: IEEE J. Solid State Circuits (2012)