以下为句子列表：
英文: By designing the circuit structure of preamplifier and selecting new elements such as ultra low noise operational amplifier and linear opto-coupler,some difficulties in EEG acquisition is overcome and the Common Mode Rejection Ratio(CMRR) of preamplifier
中文: 通过对前置放大器等电路结构的精心设计,选用超低噪声的集成运算放大器以及线性光耦合器等新器件,克服了脑电信号采集中经常遇到的一些困难,使前置放大器具有较高的共模抑制比,从而能够较好地放大检测出所需的脑电信号。
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英文: How to reduce noise figure of operational amplifier are studied in this paper.Through design of a low-noise OPA,introduce low-noise design of the input stage in detail.And with the analysis of computer,suitable sizes of the input apparatus are choosed.At
中文: 研究了如何从电路结构上减少运算放大器的噪声,以一种低噪声运放为例,着重介绍输入级设计,并借助计算机分析选择合适的输入器件尺寸,最后通过对运放噪声的仿真验证,得到了满意的结果。
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英文: In the electronic-device example, that transistor is a component-of operational amplifier or that the latter is a type-of electronic device is just as much a fact about its domain as a CYC fact about some aspect of space, time or numbers.
中文: 在工程设计中，或许会讨论到电子设备领域的本体，它包含一些描述基本概念的词汇，比如晶体管，运算放大器，电压等；也包含这些基本元素间的关系，运算放大器是电子设备的一种，而晶体管是运算放大器的组件。
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