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

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

A High Linearity and Efficiency UHF RF Power Amplifier with Cartesian Feedback for Digital Modulation

A high linearity and high efficiency UHF, wide bandwidth RF power amplifier is presented. An adaptive bias technique is used to achieve linearity while preserving good efficiency. The bandwidth analysis and the wide bandwidth matching networks of the p...

March 24, 2008

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

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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....