Title :
A novel linearizer and a fully integrated CMOS power amplifier
Author :
Ko, Sangwon ; Lin, Jenshan
Author_Institution :
Univ. of Florida, Gainesville
Abstract :
In this paper, a novel predistorter is proposed and the design result of a linearized CMOS power amplifier is presented. A predistorter is incorporated with a 5.8 GHz power amplifier using a 0.18-mum 1P6M mixed-mode CMOS process. The characteristics of the predistorter are analyzed and the effects of the incorporation of the predistorter with the power amplifier are described. The predistorter compensated the AM-AM and AM-PM distortion of the power amplifier and indicated a 22.6 dB improvement in the third-order inter-modulation distortion.
Keywords :
CMOS integrated circuits; amplitude modulation; intermodulation distortion; linearisation techniques; microwave power amplifiers; mixed analogue-digital integrated circuits; pulse modulation; 1P6M mixed-mode CMOS process; AM-AM distortion; AM-PM distortion; frequency 5.8 GHz; intermodulation distortion; linearized CMOS power amplifier; predistorter; size 0.18 micron; Capacitors; Circuits; FETs; Heterojunction bipolar transistors; Intermodulation distortion; Linearization techniques; MMICs; Microwave amplifiers; Power amplifiers; Voltage; AM-AM; AM-PM; CMOS; linearization; power amplifiers; predistorter;
Conference_Titel :
Microwave Conference, 2006. APMC 2006. Asia-Pacific
Conference_Location :
Yokohama
Print_ISBN :
978-4-902339-08-6
Electronic_ISBN :
978-4-902339-11-6
DOI :
10.1109/APMC.2006.4429396
