Will CMOS Amplifiers Ever Kick-GaAs?

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  • Author: Peter Zampardi

In this paper, we present a discussion and comparison of CMOS and GaAs HBT technologies for handset power amplifiers. Our perspective is unique to other comparisons in that we actually have products in both technologies. To understand the application space where each of these technologies makes sense, we discuss current and near-term PA requirements as well as technology and technology support issues. Finally, we aim to dispel some the common misperceptions surrounding these technologies.