xclusive goals design feature
Selected Abstract
Heads and tails: design RF amplifiers for linearity and efficiency: base stations and handsets need RF amplifiers with high linearity and efficiency. With some clever techniques, designers can align these mutually exclusive goals.(design feature)
[ILLUSTRATION OMITTED] Cellphones use modern modulation schemes that require linear amplification of the RF signal. A typical way to achieve this linearity is to burn more power in the output stage. This approach reduces efficiency, even though efficiency is one of the most important operating ... July 1, 2008; EDN Asia
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