Design of Linear RF Outphasing Power Amplifiers

Design of Linear RF Outphasing Power Amplifiers

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This is the first book devoted exclusively to the outphasing power amplifier, covering the most recent research results on important aspects in practical design and applications. A compilation of all the proposed outphasing approaches, this is an important resource for engineers designing base station and mobile handset amplifiers, engineering managers and program managers supervising power amplifier designs, and RaD personnel in industry. The work enables you to: design microwave power amplifiers with higher efficiency and improved linearity at a lower cost; understand linearity and performance tradeoffs in microwave power amplifiers; and understand the effect of new modulation techniques on microwave power amplifiers.The DSP circuit generates a trigger pulse when two component signals are 180Ad out of phase, corresponding to ^(t) ... used to guide the compensation of the phase imbalance, this method is free from the change of the amplifier output power. ... Figure 3.7 shows the schematic diagram of one implementation of this approach.

Title:Design of Linear RF Outphasing Power Amplifiers
Author:Xuejun Zhang, Lawrence E. Larson, Peter Asbeck
Publisher:Artech House - 2003-01-01


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