This paper analyses the common way of measuring CMRR, and proposes a simple and highly sophisticated method of measuring CMRR of Operational Amplifier Circuit.
通过对常用的测量共模抑制比的方法的分析，提出了一种高精度的简便的测量运放的共模抑制比的方法。
Used the switched capacitor Common Mode Feedback circuit(CMFB) in main amplifier to achieve a large output voltage swing and decrease the static power consumption at the same time.
主放大器采用开关电容共模反馈电路在获得大输出摆幅的同时降低了功耗。
It is pointed out that there are some questions determining configuration of single transistor amplifier, the general method and common circuit are given.
指出确定晶体管单管放大电路组态时存在的问题并进行了讨论，给出确定的一般方法及单管放大电路的通用电路。
A measurement amplifier circuit is designed, which consists of circuits of differential amplifier, a common-mode rejection, double-end and single-end conversions and programmed gain amplifier.
设计了一个测量放大器电路，它由差动放大电路、共模抑制电路、双端单端转换电路和程控增益放大电路组成。
This circuit is shown in Figure 5 and is useful as a computational amplifier, in making a differential to single-ended conversion or in rejecting a common mode signal.
电路见图5，这种电路在运算电路中相当有用，比如差分对单端的转换，抑制共模信号。
The MCU replaces the operational amplifier circuit so as to strengthen the system of common-mode rejection, improve the problems of weak signal transmission.
更换了运算放大调理电路增强了系统的共模抑制能力，改善微弱信号传输中的问题；
The MCU replaces the operational amplifier circuit so as to strengthen the system of common-mode rejection, improve the problems of weak signal transmission.
更换了运算放大调理电路增强了系统的共模抑制能力，改善微弱信号传输中的问题；
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