The Quest for Power Amplifier Linearity and Efficiency

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  • Author: Gary Breed
Similar to the need for strong signals and low noise, the complex signals required for high data capacity also require precise reproduction (linearity) as they are boosted to higher power levels. The distortion added by a less-than-perfect power amplifier (PA), even if very small, can make it more difficult for the signal to be received and demodulated with reliable data recovery.