Chapter 14. RF Power Amplifier Linearization Techniques
One of the greatest design challenges related to RF amplifiers, and, therefore, the RF front end, is linearity. Not only is it important for radio performance, but restrictions on spurious emissions are also enforced by worldwide regulatory bodies, such as the FCC and ETSI. Designers are constantly striving for a clean transmitted signal and a minimum of interference for other nearby systems. This chapter covers RF power amplifier linearity in depth. Other related topics covered include: adjacent channel power ratio (ACPR), intermodulation distortion (IMD), error vector magnitude (EVM), predistortion, signal mapping, feedback, phase error, and linearization techniques.—Janine Sullivan Love ...
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