基于δ - σ调制信号压缩的功率放大器自适应线性化

2005 IEEE 7th CAS Symposium on Emerging Technologies: Circuits and Systems for 4G Mobile Wireless Communications Pub Date : 2005-06-23 DOI:10.1109/EMRTW.2005.195679

D. Zrilic

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引用次数: 0

摘要

介绍了一种基于带通δ - σ脉冲流混合模式处理的功率放大器自适应线性化新方法。仿真结果表明，采用自适应反馈可以显著降低非线性放大器的频谱扩展。

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adaptive linearization of a power amplifier based on compression of delta-sigma modulated signals

This paper describes a novel method of adaptive linearization of power amplifier based on mixed mode processing of band-pass delta-sigma pulse stream. Our simulation results have shown significant reduction in spreading of spectra of nonlinear amplifier when adaptive feedback is used.

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来源期刊

2005 IEEE 7th CAS Symposium on Emerging Technologies: Circuits and Systems for 4G Mobile Wireless Communications

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