电子科技大学 电子薄膜与集成器件国家重点实验室 机构,四川,成都,610054
纸质出版:2013
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宋文青, 于奇, 朱波, 李靖, 倪春晓. 一种具有采样保持功能的开关电容积分器[J]. 微电子学与计算机, 2013, 30(3): 51-54.
SONG Wen-qing, YU Qi, ZHU Bo, et al. A Switched-Capacitor Integrator with Sample and Hold Function[J]. 2013, 30(3): 51-54.
宋文青, 于奇, 朱波, 李靖, 倪春晓. 一种具有采样保持功能的开关电容积分器[J]. 微电子学与计算机, 2013, 30(3): 51-54. DOI:
SONG Wen-qing, YU Qi, ZHU Bo, et al. A Switched-Capacitor Integrator with Sample and Hold Function[J]. 2013, 30(3): 51-54. DOI:
本文提出了一种开关电容积分器结构
运用增益提高技术的折叠式共源共栅放大器实现
可应用于具有采样保持功能的电路中.基于标准的65nm CMOS工艺
通过HSPICE仿真验证
结果表明
该积分器在采样相与积分相能保持相同电平
且对输入信号起到采样和保持作用
在输入信号的V=1.4V、频率为10kHz、采样频率为6.144MHz条件下
电路的THD为-112dB.
A switched-capacitor integrator with S/H function was proposed in this circuit
which was realized by the gain-boosting folded cascade OTA.Based on 65 nm CMOS process
HSPICE simulation results showed that
the integrator can keep the same level in the sampling and integral phase
which was used to sample and hold the input signal
for input signal of 10 kHz with V=1.4V
the SHA had a THD of-112dB at a sampling frequency of 6.144MHz.
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