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Envelope tracking power amplifier with static predistortion linearization

International Journal of Circuit Theory and Applications (2009) 37(2) 365-375
DOI: 10.1002/cta.549
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Abstract

This 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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Rautio, T., Harju, H., Hietakangas, S., & Rahkonen, T. (2009). Envelope tracking power amplifier with static predistortion linearization. In International Journal of Circuit Theory and Applications (Vol. 37, pp. 365–375). https://doi.org/10.1002/cta.549

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