doherty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……