High-Efficiency Linearized LDMOS Amplifiers Utilize the RFAL Architecture

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  • Author: Ray Gutierrez
The latest base sta-tion amplifier de-signs for the wire-less telecom industry offer much higher data rate services with lower levels of distortion than preceding designs, providing high efficiency and reliable long life at lower cost. These amplifiers are also required to be economical and work reliably over a wider range of environmental conditions than the typical air-conditioned ground-based sta-tions. Efficiency and thermal issues are criti-cal to the type of power amplifier selected for these newer applications.