First and second order polynomial functions for bandwidth reduction of dynamic biasing signals

机译：一阶和二阶多项式函数，用于减少动态偏置信号的带宽

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A dynamic biasing method for enhancing PAE while controlling the bandwidth of the gate and drain bias signals has been presented. Simulation with a modulated signal shows a 40 point increase in PAE with an increment of 3dB in ACPR compared to a class-A amplifier. Such a system would require a drain bandwidth of only 2 times the RF signal bandwidth, which is only a fraction of that used in standard Envelope Tracking.

机译：提出了一种在控制栅极和漏极偏置信号带宽的同时增强PAE的动态偏置方法。用调制信号进行的仿真显示，与A类放大器相比，PAE增加了40点，而ACPR则增加了3dB。这样的系统所需的漏极带宽仅为RF信号带宽的2倍，仅是标准包络跟踪中所用带宽的一小部分。

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《IEEE International Conference on Wireless Information Technology and Systems》|2010年|p.1-4|共4页
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Miranda Juan F.; Olavsbraten Morten; Gjertsen Karl M.; Caharija Walter;
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中图分类自动化技术、计算机技术;
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入库时间 2022-08-26 15:16:16

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First and second order polynomial functions for bandwidth reduction of dynamic biasing signals

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