Title :
A CMOS RF power amplifier with parallel amplification for efficient power control
Author :
Shirvani, A. ; Su, D.K. ; Wooley, A.
Author_Institution :
Center for Integrated Syst., Stanford Univ., CA, USA
Abstract :
A 0.25 /spl mu/m CMOS RF power amplifier uses parallel amplification to provide an output power adjustment range of 7 mW to 300 mW. The 2.37 mm/sup 2/ amplifier achieves 49% maximum power-added-efficiency (PAE) and maintains a PAE >43% over 70% of the power range.
Keywords :
CMOS analogue integrated circuits; power amplifiers; power control; radiofrequency amplifiers; 0.25 micron; 43 to 49 percent; 7 to 300 mW; CMOS RF power amplifier; output power control; parallel amplification; power-added efficiency; Impedance; Power amplifiers; Power control; Power generation; Power harmonic filters; Power transmission lines; Prototypes; Radio frequency; Radiofrequency amplifiers; Voltage;
Conference_Titel :
Solid-State Circuits Conference, 2001. Digest of Technical Papers. ISSCC. 2001 IEEE International
Conference_Location :
San Francisco, CA, USA
Print_ISBN :
0-7803-6608-5
DOI :
10.1109/ISSCC.2001.912584
