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首页> 外文期刊>IEEE Transactions on Circuits and Systems. 1 >The use of parasitic nonlinear capacitors in class E amplifiers
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The use of parasitic nonlinear capacitors in class E amplifiers

机译:E类放大器中寄生非线性电容器的使用

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摘要

The most common class E amplifier configuration uses a single transistor with a shunt capacitor and a series resonant output filter. Until now a linear shunt capacitance has been assumed. However, to achieve operation at 900 MHz and above, it is of interest to rely solely upon the nonlinear parasitic collector-substrate capacitance of the transistor. An analytical theory for operation at 50% duty cycle and nonlinear capacitance is presented in this correspondence, and the effects on the power capability of the amplifier are discussed.
机译:最常见的E类放大器配置使用带有并联电容器和串联谐振输出滤波器的单个晶体管。到现在为止,一直假设采用线性并联电容。然而,为了实现在900 MHz或更高频率下的工作,仅依靠晶体管的非线性寄生集电极-衬底电容是很有意义的。以此关系给出了在50%占空比和非线性电容下工作的分析理论,并讨论了对放大器功率能力的影响。

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