Title :
A low-cost class-E power amplifier with sine-wave drive
Author :
Davis, J.F. ; Rutledge, D.B.
Author_Institution :
Dept. of Electr. Eng., California Inst. of Technol., Pasadena, CA, USA
Abstract :
We present a 400 W class-E amplifier for industrial applications. The transistor is the International Rectifier IRFP450LC power MOSFET. The amplifier operates at 13.56 MHz and uses a drive level of 12 W to attain a drain efficiency of 86% and an overall efficiency of 84%. All harmonics are more than 40 dB below the carrier.
Keywords :
HF amplifiers; MOSFET circuits; power amplifiers; radiofrequency amplifiers; 13.56 MHz; 400 W; 84 percent; 86 percent; HF amplifier; International Rectifier IRFP450LC; class-E power amplifier; industrial applications; low-cost amplifier; power MOSFET; sine-wave drive; Capacitors; Inductors; MOSFET circuits; Power MOSFET; Power amplifiers; Power generation; Radio frequency; Radiofrequency amplifiers; Switches; Voltage;
Conference_Titel :
Microwave Symposium Digest, 1998 IEEE MTT-S International
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
0-7803-4471-5
DOI :
10.1109/MWSYM.1998.705188
