Fully integrated CMOS power amplifier with efficiency enhancement at power back-off

FREE-DOWNLOAD G Liu, P Haldi, TJK Liu… – Solid-State Circuits, research …, 2008 –
This paper presents a new approach for power am- plifier design using deep submicron
CMOS technologies. A trans- former based voltage combiner is proposed to combine power
gen- erated from several low-voltage CMOS amplifiers. Unlike other voltage combining