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doherty结构的高效率base station 功率放大...

资料介绍
doherty PA采用Doherty结构的功率放大器设计

Advanced Power Amplifier Design Using Doherty Configurations

Authored by: Sean Kim, PhD. Charly Jeung, Ph.D. Peter Shin Ansoft Corporation

Outline


Introduction Motorola MET Model Design Kit in Ansoft Designer


Model consideration and validation

Matching Techniques for Power Amplifier Design


Load-pull analysis Lowpass multi section, transmission line, and low Q matching technique



Doherty Amplifier Design


Doherty amplifier overview Carrier amplifier design Peak amplifier design 90 hybrid coupler, offset line, and impedance transformer design



Balanced Amplifier Design Doherty and Balanced Amplifier Comparison Conclusion References

Introduction


Why a power amplifier is important?


Power amplifier is a key element to build a wireless communica……
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doherty结构的高效率base station 功率放大...
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