RF Power
Amplifiers for Cellphones
C.E. Weitzel
Motorola, Inc.,
Semiconductor Products Sector
480-413-5906 agbp70@email.sps.mot.com
Keywords: GaAs, silicon,
HBT, FET, CDMA, GSM
Abstract
A wide variety of
semiconductor devices are used in wireless power amplifiers. The RF performance
and other attributes of cellphone RF power amplifiers using Si and GaAs based
technologies will be reviewed and compared.