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首页> 外文期刊>IEEE transactions on circuits and systems . I , Regular papers >Modeling and Analysis of Class-E Amplifier With a Shunt Inductor at Sub-Nominal Operation for Any Duty Ratio
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Modeling and Analysis of Class-E Amplifier With a Shunt Inductor at Sub-Nominal Operation for Any Duty Ratio

机译：在任何额定值下的亚额定工作状态下带有并联电感的E类放大器的建模和分析

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摘要

This paper presents analytical expressions for the sub-nominal operation, which is only the zero current switching (ZCS) condition, of the class-E power amplifier with a shunt inductor at any duty ratio. The duty ratio is considered not only as a design specification but also as an adjustment parameter. In the sub-nominal operation with any duty ratio, both the peak switch voltage and the peak switch current can be set as design specifications due to two more degrees of design freedom in comparison with the class-E nominal amplifier at the fixed duty ratio. Additionally, it is also seen that the duty ratio affects the maximum operating frequency and the output power capability with ZCS condition. A design example of the class-E ZCS amplifier with a shunt inductor under the specifications of peak switch voltage and peak switch current is given. The measurement and a simulation by circuit simulator results agreed with the analytical expressions quantitatively, which show the validity of our analytical expressions.
机译：本文介绍了在任何占空比下具有并联电感的E类功率放大器的亚标称工作状态（仅零电流切换（ZCS）条件）的解析表达式。占空比不仅被视为设计规格，而且被视为调整参数。在任何占空比的次标称工作模式下，与固定占空比下的E类标称放大器相比，由于具有两个以上的设计自由度，因此可以将峰值开关电压和峰值开关电流都设置为设计规格。此外，还可以看出，在ZCS条件下，占空比会影响最大工作频率和输出功率能力。给出了在峰值开关电压和峰值开关电流规格下具有并联电感的E类ZCS放大器的设计示例。电路仿真器的测量和仿真结果与解析表达式在定量上吻合，证明了我们解析表达式的有效性。

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