采用信号复用技术，在0.18 pm CMOS中设计了一种具有级联增益级的小型低直流功率分布式放大器

2017 12th European Microwave Integrated Circuits Conference (EuMIC) Pub Date : 2017-10-01 DOI:10.23919/EUMIC.2017.8230688

Chen-Wei Wu, Tzu-Yuan Huang, Yuan-Hung Hsiao, Yi-Ching Wu, Huei Wang

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引用次数: 3

摘要

提出了一种利用级联增益级间反馈变压器实现分布式放大器信号复用的方法。选择适当的反馈变压器耦合系数(k)，可以在不增加功耗的情况下，在保持平均增益不变的情况下，扩大数据转换器的带宽，从而提高数据转换器的增益-带宽积(GBW)。该电路采用0.18 pm CMOS技术实现，平均小信号增益为12 db，小信号带宽为33.5 GHz，总直流功率为69 mW。包括衬垫在内的芯片尺寸为0.72 mm2。

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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A compact and low DC power distributed amplifier with cascaded gain stages using signal-reused technique in 0.18-pm CMOS

This paper presents a signal-reused technique for distributed amplifier (DA) by using feedback transformers between the cascaded gain stages. With a proper coupling coefficient (k) of the feedback transformer, the gain-bandwidth (GBW) product of DA can be improved by extending the bandwidth of DA while maintaining the same average gain without increasing the power consumption. The DA is realized by 0.18-pm CMOS technology and it achieves an average small-signal gain of 12-dB and a small-signal bandwidth of 33.5 GHz with total dc power of 69 mW. The chip size is 0.72 mm2 including the pads.

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2017 12th European Microwave Integrated Circuits Conference (EuMIC)

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