1) chopper stabilization
斩波稳零
1.
The current state of precision op-amp and the circuit techniques available to realize are introduced in this paper,emphasis are given to autozero and chopper stabilization circuit techniques,their influence on circuit noise are quantitative analyzed coupled with simulation results.
介绍了精密放大器的现状和实现精密放大器的低噪声失调电路技术,着重讨论了自稳零和斩波稳零电路技术,定量分析了这两类电路技术对电路噪声的影响,给出了各自的仿真结果。
2) chopper-stabilized amplifier
斩波稳零放大器
3) chopper stabilize
斩波稳零技术
4) chopper-stabilized operational amplifiers
斩波稳零型运算放大器
5) chopper-stabilized current
斩波稳流
6) chopper-stabilized
斩波稳定
1.
A chip design of novel chopper-stabilized operational amplifier was presented,chopper-wave modulation and demodulation used in the architecture,and its 1/f noise decreased largely.
提出了一种新型斩波稳定(chopper-stabilized)运算放大器改进设计,采用斩波调制解调技术,大幅降低放大器的1/f噪声,同时为拓展共模输入电压范围,在电路输入级采用轨到轨(rail-to-rail)差分结构,设计获得零到电源电压的宽共模输入电压范围,电路总的静态功耗电流为22μA,在输入音频频率1 kHz与输出功率0。
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