模拟2:1多路复用器，带宽超过110 GHz，采用SiGe BiCMOS技术

2021 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS) Pub Date : 2021-12-05 DOI:10.1109/BCICTS50416.2021.9682492

T. Tannert, M. Grözing, M. Berroth, C. Schmidt, J. Choi, C. Caspar, J. Schostak, V. Jungnickel, R. Freund, H. Rücker

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引用次数: 6

摘要

我们报道了一种采用130纳米SiGe BiCMOS技术的2:1模拟多路复用器(AMUX)电路。该技术提供的hbt峰值fT为470 GHz, fmax为650 GHz。AMUX IC的s参数测量显示，与上一代技术中的电路相比，带宽有了显著的飞跃。线性信号路径提供超过110 GHz的3db带宽，而限制时钟路径具有85 GHz的3db带宽。使用该电路，两个数模转换器(dac)可以时间交错，产生远超过100gbaud的多电平信号，同时具有高带宽和线性度。

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Analog 2:1 Multiplexer with over 110 GHz Bandwidth in SiGe BiCMOS Technology

We report on a 2:1 analog multiplexer (AMUX) circuit in 130-nm SiGe BiCMOS technology. The technology offers HBTs with peak fT of 470 GHz and fmax of 650 GHz. S-parameter measurements of the AMUX IC show a significant leap in bandwidth compared to the circuit in the previous technology generation. The linear signal path offers a 3-dB-bandwith beyond 110 GHz, while the limiting clock path has 85 GHz 3-dB-bandwidth. With this circuit two digital-to-analog converters (DACs) can be time-interleaved, to generate multi-level signals far beyond 100 GBaud with both high bandwidth and linearity.

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2021 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS)

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