K. Narendra, Motorola Technology; M.F. Ain, J.S. Mandeep and S.I.S. Hassan, University Sains Malaysia

Achieving high linearity while preserving high efficiency in a power amplifier is a real design challenge. A few approaches have been reported to achieve good linearity and high efficiency in a power amplifier. These techniques use envelope tracking of the input voltage and adaptive bias methods. Hanington, et al....