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Combination of Predistortion and Feedforward in the Power Amplifier
Author(s): 
Pages: 8-10
Year: Issue:  2
Journal: EXPERIMENT SCIENCE AND TECHNOLOGY

Keyword:  预失真前馈功率放大器线性化ADS软件;
Abstract: 高功率放大器会对信号产生交调失真,为了提高信息传递的效率和准确性,需要对其进行线性化.在功率放大器的线性化方法中,预失真和前馈是最常用的手段.而两种技术都具有各自的特点,为了使功率放大器达到超线性的要求,文中探讨了将两者结合起来的方法,从而更好地抑制放大器的非线性失真.经过设计与优化,最终在ADS里通过仿真结果证明了该方法的可行性.
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