采用正反馈的增益增强差分放大器

2012 IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS) Pub Date : 2012-09-05 DOI:10.1109/MWSCAS.2012.6292121

P. T. Tran, H. Hess, K. Noren, S. Ay

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引用次数: 11

摘要

本文提出了一种利用正反馈增强增益的差分放大器设计。与标准CMOS (complementary metal-oxide semiconductor，互补金属氧化物半导体)差分放大器相比，该电路具有更高的小信号电压增益、输出电压摆幅和更大的带宽等性能。此外，该电路具有内置调谐能力，可调节增益或调谐过程电压-温度(PVT)变化。本文还介绍了用Spice模拟进行的噪声和功耗的比较。

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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Gain-enhancement differential amplifier using positive feedback

This paper presents a differential amplifier design with gain enhancement using positive feedback. Comparing with the standard complementary metal-oxide-semiconductor (CMOS) differential amplifier, the new circuit has improved specifications, such as higher small-signal voltage gain, output voltage swing, and large bandwidth. In addition, the circuit has a built-in tuning capability for adjustable gain or tuning out the process-voltage-temperature (PVT) variations. This paper also presents a comparison of noise and power dissipation that was performed using Spice simulations.

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来源期刊

2012 IEEE 55th International Midwest Symposium on Circuits and Systems (MWSCAS)

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