Research on Model of Charge Delivering in CCM Based on Z Transform

HE Wei-ji; CHEN Qian; XU Rong; KOU Song-feng

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Research on Model of Charge Delivering in CCM Based on Z Transform

更新时间：2025-07-16

- Research on Model of Charge Delivering in CCM Based on Z Transform
- Acta Electronica Sinica Vol. 36, Issue 6, Pages: 1140-1143(2008)
- 作者机构：
  
  南京理工大学电子信息工程与光电技术学院,江苏,南京,210094
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN223
- Published：2008
- 稿件说明：
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HE Wei-ji, CHEN Qian, XU Rong, et al. Research on Model of Charge Delivering in CCM Based on Z Transform[J]. Acta Electronica Sinica, 2008, 36(6): 1140-1143.
DOI：

HE Wei-ji, CHEN Qian, XU Rong, et al. Research on Model of Charge Delivering in CCM Based on Z Transform[J]. Acta Electronica Sinica, 2008, 36(6): 1140-1143. DOI：

摘要

分析了EMCCD的结构特征及载流子倍增寄存器利用碰撞电离实现电荷倍增的原理

建立了一种基于离散系统Z域变换的CCM电荷传输模型.该模型描述了在CCM电荷传输的电荷转移损失和电荷倍增过程.利用该模型的电荷传输的传递函数

本文推导了CCM电荷传输幅频响应的计算表达式并结合CCM的典型参数进行了数值计算.计算结果与实验观察表明随着电荷倍增率越大

CCM电荷传输的幅频响应改善越明显.

Abstract

A model describes both of charge lose and charge multiplication when charge delivering in CCM based on Z transform

which relates to the architecture of EMCCD and the theory of CCM that using impact ionization to multiply photo-generated charge was proposed here.From transfer function of charge delivering in CCM

the amplitude-frequency response was obtained as well as its numerical values with the typical parameters of a CCM.Numerical values and experimental results show that the higher the charge multiplication ratio in CCM

the better improvement the amplitude-frequency response of CCM gets.

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