高精度音频多位sigma-delta调制器设计 - 中南大学学报（自然科学版、英文版） 关键字: sigma-delta调制器；开关电容积分器；高精度；多位[gap=1096]Key words: sigma-delta modulator; switched-capacitor integrator; high-resolution; multibit
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用计算机对一个开关电容积分器进行了灵敏度分析，计算结果与理论分析一致。
The method can be readily programmed for computer-aided analysis of SC circuits and has been illustrated by practical sensitivity analysis example of a switched capacitor integrator.
最后在考虑实际因素的基础上，依次设计了时钟产生电路、前置滤波器、带隙基准源、开关电容积分器、锁存比较器和DAC等子模块电路并做了仿真。
The factors which will be encountered are descried and modules include anti-aliasing filter, clock circuit, band gap voltage reference, sc integrator, latched comparator and DAC are designed.
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