Abstract
AbstractThis paper presents the design method, properties and driving techniques of a linear 0.5 W 1 GHz LDMOS power amplifier used in a supply modulated envelope tracking transmitter with real‐time predistortion. Causes of nonlinearities are identified, and various supply voltage drives are experimented. Measured results show that the power efficiency can be improved while maintaining high linearity. Copyright © 2008 John Wiley & Sons, Ltd.
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