具有可调谐匹配的8瓦3.5 GHz功率放大器

24th Annual Technical Digest Gallium Arsenide Integrated Circuit (GaAs IC) Symposiu Pub Date : 2002-12-10 DOI:10.1109/GAAS.2002.1049056

S. Rockwell, R. Emrick, B. Bosco, S. Franson, M. Miller, E. Johnson, J. Crowder

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引用次数: 2

摘要

提出了一种采用部分匹配输出级实现的大功率3级s波段功率放大器MMIC。该MMIC放大器采用0.6 /spl mu/m PHEMT技术，输出功率达到39dbm，功率增加效率超过25%。小信号性能与模型预测非常吻合。该放大器在不同负载下异常稳定，带宽为100 MHz，并且可以通过使用芯片帽，键合线和duroid传输线的简单输出匹配技术轻松匹配和调谐3.5 GHz频段。

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An 8-Watt 3.5 GHz power amplifier with tunable matching

A high power 3-stage, S-band power amplifier MMIC implemented with a partially matched output stage is presented. This MMIC PA achieves 39 dBm output power and greater than 25% power added efficiency using 0.6 /spl mu/m PHEMT technology. Small-signal performance matches very well with modeled predictions. The amplifier is exceptionally stable under varying loads, has a bandwidth of several 100 MHz and is easily matched and tuned about the 3.5 GHz band with a simple output matching technique using chip caps, bond wires and duroid transmission lines.

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24th Annual Technical Digest Gallium Arsenide Integrated Circuit (GaAs IC) Symposiu

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