A 5.8 GHz 1 V Linear Power Amplifier Using a Novel On-Chip Transformer Power Combiner in Standard 90 nm CMOS. - Peter Haldi; Debopriyo Chowdhury; Patrick Reynaert; Gang Liu; Ali M. Niknejad (IEEE J. Solid State Circuits, 2008)

Fully Integrated CMOS Power Amplifier With Efficiency Enhancement at Power Back-Off. - Gang Liu; Peter Haldi; Tsu-Jae King Liu; Ali M. Niknejad (IEEE J. Solid State Circuits, 2008)