SiGe变压器匹配功率放大器工作在毫米波频率

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541579

U. Pfeiffer, D. Goren, B. Floyd, S. Reynolds

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引用次数: 27

摘要

本文介绍了一种工作在毫米波频率下的变压器匹配功率放大器。SiGe单级推挽放大器在地屏蔽上使用堆叠变压器进行输出匹配。该毫米波变压器具有高耦合系数k = 0.8，并提供非常紧凑的电路布局。在61.5 GHz时，ab类偏置放大器在1db压缩下的输出功率为8.5 dBm，功率增益为12db。饱和输出功率达到P/sub / = 14 dBm，最大PAE为4.2%。

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SiGe transformer matched power amplifier for operation at millimeter-wave frequencies

In this paper, a transformer matched power amplifier for operation at millimeter-wave frequencies is presented. The SiGe single-stage push-pull amplifier uses a stacked transformer above a ground shield for output matching. The millimeter-wave transformer has a high coupling factor k = 0.8 and provides a very compact circuit layout. At 61.5 GHz the class-AB biased amplifier achieves a power gain of 12 dB with 8.5 dBm output power at a 1 dB compression. The saturated output power was measured up to P/sub sat/ = 14 dBm with a maximum PAE of 4.2%.

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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