0.13ìm CMOS高动态范围低噪声高增益跨阻放大器

2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT) Pub Date : 2012-11-01 DOI:10.1109/RFIT.2012.6401606

Guoyi Yu, Xuecheng Zou, Le Zhang, Qiming Zou, Meijun Zheng, Jianfu Zhong

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引用次数: 3

摘要

本文设计了一种具有高动态范围的低噪声高增益传输阻抗放大器。TIA的输入级使用单独的电源来适应光电二极管(PD)的电平。然后通过电平移位电路将信号传输到后续电路。TIA采用DCrestore稳定工作点，采用工作在线性区域的MOS减小有效输入信号，实现高动态范围。优化了关键噪声元件，以降低输入参考电流噪声。该TIA在0.13 urn CMOS中得到验证。仿真结果表明，-3dB带宽为1.8GHz，最大增益为82.27dB Ω，输入参考噪声为125nA，测量电流范围为5uA ~2mA。

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 low-noise high-gain transimpedance amplifier with high dynamic range in 0.13ìm CMOS

This paper designed a low-noise high-gain tran simpedance amplifier with high dynamic range. The input stage of TIA uses an individual power supply to accommodate the level of the photodiode(PD). Then the signal is transmitted to the subsequent circuit by a level shifting circuit. The TIA adopts DCrestore to stabilize work points, and uses a MOS working in the linear region to reduce the effective input signal to realize high dynamic range. Key noise components are optimized to reduce the input referred current noise. This TIA was validated in 0.13 urn CMOS. The simulation results show the -3dB bandwidth is 1.8GHz, the maximum gain is 82.27dB Ω, the input referred noise is 125nA, and the measure current ranges 5uA ~2mA.

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2012 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)

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