基于0.5 V准浮门(QFG)逆变器的ab类增益带宽无关放大器

2011 IEEE International Conference on Computer Applications and Industrial Electronics (ICCAIE) Pub Date : 2011-12-01 DOI:10.1109/ICCAIE.2011.6162139

A. Suadet, V. Kasemsuwan

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引用次数: 4

摘要

提出了一种基于0.5 V QFG逆变器的ab类增益带宽无关放大器。该电路采用正反馈增强输入阻抗，前馈技术抑制共模增益。该电路采用0.5 V电源下的0.18µm CMOS技术设计。仿真结果表明，在各种增益、轨对轨输入/输出摆幅、抑制共模响应和良好的线性度下，该电路的带宽几乎是恒定的。功耗为275µW。

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A 0.5 V quasi-floating-gate (QFG) inverter-based class-AB gain-bandwidth independent amplifier

This paper presents a 0.5 V QFG inverter-based class-AB gain-bandwidth independent amplifier. The circuit employs positive feedback to enhance the input impedance, and feed-forward technique to suppress the common-mode gain. The circuit is designed using 0.18 µm CMOS technology under 0.5 V supply. The simulation results show nearly constant bandwidth for various gain, rail-to-rail input/output swing, suppressed common-mode response, and good linearity. The power dissipation is 275 µW.

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来源期刊

2011 IEEE International Conference on Computer Applications and Industrial Electronics (ICCAIE)

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