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What is Doherty RF Amplifier Efficiency Analysis about?

This document summarizes the Doherty power amplifier system, which combines the outputs of two or more linear RF power amplifiers through an impedance-inverting coupler to improve efficiency. At low output levels, one amplifier operates linearly while the other is cut off. At higher outputs, the first amplifier remains saturated and acts as a voltage source while the second operates linearly and acts as a controlled current source. This allows the system to maintain high efficiency over a wide range of outp

Author

Jose Antonio Garcia Perez

Language

EN