The Research of Common-mode Rejection Capability of the Differential Amplifier 差动放大电路共模干扰抑制能力的研究
On Crossover Transfer Phenomenon and Common-Mode Rejection Characteristics of Practical Differential Amplifier 实际差放的交叉转换现象与共模抑制特性
If you cannot obtain tightly matched resistors, you can use an AD623 single-supply instrumentation amplifier in place of the AD8603, ensuring high common-mode rejection. 如果不能得到适合的匹配电阻,可以使用AD623单电源仪表放大器替代AD8603,确保高共模抑制比。
In this situation, the CMRR ( common-mode rejection ratio) of the input differential amplifier was unsatisfactory. 在这种情况下,输入差分放大器的CMRR不令人满意。
Based on the structure, an ultra-low voltage operational amplifier is designed, which provides a rail-to-rail common-mode input voltage range and output voltage swing, as well as a high common mode rejection ratio ( CMRR). 基于此结构,实现了一种超低压运算放大器。仿真分析表明,该运算放大器能够实现轨到轨(rail-to-rail)的共模输入电压范围和输出电压摆幅,以及较高的共模抑制比。
The circuit has advantages with ingeniously conception, well structure, integrated easily, more open-loop gain, more common-mode rejection ratio and alternating current characteristic. 该电路具有构思巧妙,结构优化,易于集成及较高的开环增益,共模抑制比及交流特性的优点。
The electronic processing system is a common-mode rejection system so that insensitive to intensity fluctuations of the light source and minimizes noise from electronic system. 与接触模式工作的原子力显微镜相比扩大了测量范围。电子处理共模抑制系统可有效地抑制光强波动和降低系统电子噪声。
The instrument has a high common-mode rejection ratio and smallest form error among the same kind of existing profilometers. 此仪器具有很高的共模抑制比和同类型仪器中最小的形状误差。
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。
Instrumentation amplifier is used to amplify the weak differential signal, so the high quality of the common-mode rejection is required. 测量放大器常用来放大微弱差值信号,因而对它的共模抑制性能有较高的要求。
An operational amplifier with high common-mode rejection ratio ( CMRR) is designed based on this transconductance, which provides rail-to-rail input and output. 在此基础上,设计了一种具有高共模抑制比的恒定跨导运算放大器。该运算放大器具有Rail-to-Rail的输入、输出能力。
The main design work as follow: the former disposal circuits were designed, and the circuit possesses very high input resistance, common-mode rejection and voltage gain; 具体设计内容包括:设计具有输入阻抗大、高增益和高共模抑制比的脑电信号调理电路;
Floating circuit improved the common-mode rejection ratio of SEMG and prevented the circuit self-excited. 引入浮地电路,提高了信号的共模抑制比,防止电路自激。