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Spectral sensitivity of predistortion linearizer architectures to filter ripple

机译:预测线性化器架构筛选纹波的光谱敏感性

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Predistortion is a powerful method for linearization of RF power amplifiers (PA). But linearity performance of a predistortion system is limited by various memory effects. In this paper we investigate the effects of filters between the predistorter and the PA. These effects are studied by means of analysis and simulation for multi-carrier signals. A method is developed that can be used to estimate the output spectrum based on the filter transfer function and the nonlinearity of the PA.
机译:预失真是RF功率放大器线性化的强大方法(PA)。但是预失真系统的线性性能受到各种记忆效果的限制。在本文中,我们研究了预失真器和PA之间过滤器的影响。通过用于多载波信号的分析和仿真研究了这些效果。开发一种方法,其可用于估计基于滤波器传递函数和PA的非线性的输出频谱。

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