50%效率8w c波段PHEMT功率MMIC放大器

GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium 17th Annual Technical Digest 1995 Pub Date : 1995-10-29 DOI:10.1109/GAAS.1995.529010

P. White, T.M. O'Leary

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引用次数: 9

摘要

提出了一种全单片PHEMT功率放大器，该放大器在25欧姆系统中，在4.3至5.1 GHz带宽上提供8 W的功率，功率增加效率为50%，相关增益为24 dB。半尺寸的芯片以类似的增益和效率将4瓦输出到50欧姆。通过为近f类操作提供适当的谐波终端，描述了在这种首通设计中实现高效率的方法。

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A 50% efficiency 8 W C-band PHEMT power MMIC amplifier

A fully monolithic PHEMT power amplifier is presented which provides 8 W at 50% power added efficiency and 24 dB associated gain over a 4.3 to 5.1 GHz bandwidth in a 25 ohm system. Half-size chips deliver 4 W into 50 ohms at similar gain and efficiency. The approach to achieving high efficiency in this first-pass design, by providing proper harmonic terminations for near class-F operation, is described.

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来源期刊

GaAs IC Symposium IEEE Gallium Arsenide Integrated Circuit Symposium 17th Annual Technical Digest 1995

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