Chopper Stabilization of Analog Multipliers, Variable Gain Amplifiers, and Mixers. - Philip A. Godoy; Joel L. Dawson (IEEE J. Solid State Circuits, 2008)

Techniques for high-efficiency outphasing power amplifiers. - Philip A. Godoy (2011)

A 2.4-GHz, 27-dBm Asymmetric Multilevel Outphasing Power Amplifier in 65-nm CMOS. - Philip A. Godoy; SungWon Chung; Taylor W. Barton; David J. Perreault; Joel L. Dawson (IEEE J. Solid State Circuits, 2012)