基于SiGe hbt的主动冷负荷:设计、表征和稳定性测量

2011 21st International Conference on Noise and Fluctuations Pub Date : 2011-06-12 DOI:10.1109/ICNF.2011.5994335

E. Leynia de la Jarrige, L. Escotte, E. Gonneau, J. Goutoule

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引用次数: 2

摘要

本文报道了在微波频率(1.4 GHz)下用SiGe异质结双极晶体管实现有源冷负载(ACL)的噪声性能和稳定性的实验结果。ACL回波损耗大于35db，噪声温度小于66k。使用专用噪声注入辐射计进行的超过4个月的稳定性测量表明，该主动负载非常稳定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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SiGe HBT-based active cold load: Design, characterization and stability measurements

We report experimental results concerning the noise performance and the stability of an active cold load (ACL) realized with an SiGe heterojunction bipolar transistor at microwave frequency (1.4 GHz). The ACL exhibits return loss higher than 35 dB and a noise temperature less than 66 K. Stability measurements performed over 4 months with a dedicated noise injection radiometer indicates that this active load is very stable.

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2011 21st International Conference on Noise and Fluctuations

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