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相关概念视频

PI Controller: Design01:24

PI Controller: Design

Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...

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相关实验视频

Updated: Jun 27, 2026

From Fast Fluorescence Imaging to Molecular Diffusion Law on Live Cell Membranes in a Commercial Microscope
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一种基于PFM的对低功耗高线性数字像素的校准方法.

Yu Cheng1, Jionghan Liu1, Xiyuan Wang1

  • 1School of Integrated Circuits, Dalian University of Technology, Dalian 116000, China.

Sensors (Basel, Switzerland)
|January 11, 2025
PubMed
概括

本研究涉及像素非线性,以减少数字读取集成电路 (DROIC) 的功耗. 一种离芯片校准方法将线性改进到99.6%,实现低静电耗,每像素6微瓦.

科学领域:

  • 集成电路设计 集成电路设计
  • 低功率电子产品 低功率电子产品
  • 图像传感器技术图像传感器技术

背景情况:

  • 数字电路中的像素级非线性阻碍了电力消耗的减少.
  • 电容横阻放大器 (CTIA) 和比较器中的静电流是非线性的主要原因.

研究的目的:

  • 调查数字像素非线性原因.
  • 在像素级电路中实现低功耗.
  • 为了提高数字读取集成电路 (DROIC) 的线性.

主要方法:

  • 数字像素中非线性原因的分析.
  • 在电容横阻放大器 (CTIA) 和比较器中减少静电流.
  • 实现线性增强的离芯片校准方法.
  • 使用0.18μm 1P6M CMOS工艺制造一个64×64数组原型DROIC.

主要成果:

  • 成功地确定了非线性的主要原因.
  • 通过离芯片校准实现了更好的线性.
  • 在高达1.5μA的输入电流中显示了99.6%的校准后线性.
  • 每个数字像素的静态功耗达到6μW.
关键词:
一个干燥的世界.金融基金管理 (PFM) 是一个很好的方法.在PbSe中,PbSe是PbSe.数字像素是一个数字像素.

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相关实验视频

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结论:

  • 开发的离芯片校准方法有效地减轻了像素非线性.
  • 制造出来的DROIC具有高线性和低功耗,适用于先进的成像应用.
  • 这项研究提供了一个可行的解决方案,用于提高数字读取集成电路的性能.