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The transmission-line high-efficiency class-E amplifier

机译:传输线高效E类放大器

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High-efficiency switched-mode (heavily saturated) circuits such as the class-E amplifier are well-known in the MHz frequency range. Here, a microwave transmission-line class-E amplifier is presented. Design equations for the output circuit line lengths and impedances are derived, along with approximate equations predicting power and efficiency for the class-E amplifier. Microstrip circuits using the Siemens CLY5 MESFET demonstrate 80% power-added efficiency (PAE) at 0.5 GHz with 0.55 W of output power and 73% PAE at 1.0 GHz with 0.94 W. Experimental results compare favorably to a simplified design-oriented analysis.
机译:诸如E类放大器之类的高效开关模式(重饱和)电路在MHz频率范围内是众所周知的。这里,提出了微波传输线E类放大器。推导了输出电路线长和阻抗的设计公式,以及预测E类放大器功率和效率的近似公式。使用Siemens CLY5 MESFET的微带电路在0.5 GHz时具有80%的功率附加效率(PAE),输出功率为0.55 W,在1.0 GHz时具有73%的PAE效率,其0.94W。实验结果优于简化的面向设计的分析。

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