该放大器由运算放大器和电阻反馈网络组成。
It consists of an operational amplifier (op-amp) and resistor feedback networks.
前置放大电路设计了量程自动切换的电阻反馈式两级放大。
A range automatic transfer is designed for the preamplification system with resistance feedback.
表2-3给出了典型的反馈安培计在各种测量范围内最小的源电阻推荐值。
Table 2-3 summarizes minimum recommended source resistance values for various measurement ranges for a typical feedback ammeter.
有效电阻为源电阻和反馈(或分流)取样电阻的并联组合。
The effective resistance is the parallel combination of the source resistance and the feedback (or shunt) sensing resistance.
没有反馈电阻的仪表放大器提供精确增益，无论增益多大，放大器的同向和反向输入端提供高输入阻抗。
An instrumentation amplifier offers precise gain without feedback resistors, and, at any value of gain, it provides high input impedances at its noninverting and inverting inputs.
该光接收机采用单电源供电，由一级放大器、两级源级跟随器和一个反馈电阻组成。
It is composed of an amplifier stage, two stages of source follower and a feedback resistance, and use a single supply voltage.
对T型电阻网络反馈扩展微弱电流测量原理和测量参数估计方法进行了分析，阐述了该仪器的测量不确定度。
The principle of feedback extension in t resistance network and the estimation method of measuring parameter are analyzed. The indeterminate of the instrument is discussed.
本文提出了一种电荷灵敏放大器不用反馈高值电阻的新方法。
A new method of removing the high value feedback resistor in the charge sensitive preamplifier is introduced.
对前放的噪声进行了优化设计，提出了一种新的大反馈电阻实现方式。
The preamplifier noise has been optimized and a new implementation method of the large feedback resistor has been proposed.
运算放大器扩展功能，在电子电路设计中其数学模型为放大电路，含移相电容、反馈电阻及输入阻抗。
In circuit design, the mathematical model of operational amplifier expanded function is expanded circuit. The circuit includes phase electric capacity, the feedback resistance and the input impedance.
本文分析了反馈电阻对PI调节器的输出波形及传递函数的影响。
The influences of feedback resistance on the output waveform and transfer function of PIregulator are analyzed in this paper.
电流在反馈电阻上产生的电压超出设定值时，IR 2132启动内部保护电路，关断输出通道，实现电流保护。
When the voltage on the feedback resistance over the designed value, the inside protection circuit was operated and the output channels were cut in IR2132 to achieve current protection.
DUT的源电阻会影响反馈安培计的噪声性能。源电阻降低，安培计的噪声增益就增加。
The source resistance of the DUT will affect the noise performance of a feedback ammeter. As the source resistance is reduced, the noise gain of the ammeter will increase.
本文推导了反馈电阻的取值方法。
The method for setting the value of the feedback resistor is inferred.
如果用这样的放大器设计电路，首先应该挑选合适的反馈电阻，各厂商的规格和电路噪声增益。
If you design this circuit with such an amp, you would first pick the optimum feedback resistor, per the manufacturer's specification and the circuit's noise gain.
设计了基于TL 431和电阻网络的精密反馈电路，以满足电源输出电压幅值高，精度高的要求。
And a precise feedback circuit based on TL431 and resistors network is devised to meet the requirements of high voltage and high precision of the power supply.
从并联电压负反馈的角度，对输入电阻和输出电阻给出了下列4种方法的定量讨论。
From the negative feedback aspect of the parallel voltage, this paper quantitatively discusses input and output resistances by employing 4 methods.
电路中引入负反馈，使输入、输出电阻均发生变化，并且输入、输出电阻对放大电路有很大的影响。
The introduction of the negative feedback in circuit changes the input and output resistances, which have great influence on magnifying circuit.
本文介绍了电流反馈放大器（CFA）的基本原理，用四个CFA和几个电阻、电容设计了一种三输入单输出的新的通用滤波器。
The fundamental of current feedback amplifiers(CFA) has been introduced. A new universal filter with three inputs and single output using four CFAs and a few of resistors and capacitors is presented.
锥体上电位变化可以等效为一个与锥体形状与掺杂相关的串联电阻的作用，这一电阻对单尖发射电流有负反馈作用。
This resistance, which is concerned with the doping and shape of the emitter, has a negative feedback action to the emission current of the emitter.
该可编程增益放大器采用源极反馈电阻可变的差分放大器结构，且带有直流漂移校正电路。
The PGA consists of the differential amplifier with variable source degeneration resistor and the DC-offset correction circuit.
所以输出电压可以用来度量输入电流，总的灵敏度由反馈电阻器（RF）决定。
Thus, the output voltage is a measure of input current, and overall sensitivity is determined by the feedback resistor RF).
根据电路原理，应用解析方法导出了四种形式负反馈放大器的输入、输出电阻关系式。
The input and output resistances of a negative-feedback amplifier is calculated by analytic method.
通过将定子电阻的辨识值反馈，减小了定子电阻变化对系统性能的影响。
The influence on the system performance is reduced by feeding back the identification value of the stator resistance.
电阻的热噪声包含桥路电阻的热噪声和反馈电阻的热噪声。
The thermal noise of resistance includes two parts: bridge resistance and feedback resistance.
反馈电阻的热噪声可以通过减小反馈电容而减小，桥路电阻的热噪声则与反馈电容无关。
The latter can be lowered by decreasing feedback capacitance while the former is independent on feedback capacitance.
第一，其中特别考虑因素，这条赛道的是，两个输入电阻(里)，和两个反馈电阻(RF)的，必须紧密配合。
First among the special considerations for this circuit is that the two input resistors (RI), and the two feedback resistors (RF), must be closely matched.
第一，其中特别考虑因素，这条赛道的是，两个输入电阻(里)，和两个反馈电阻(RF)的，必须紧密配合。
First among the special considerations for this circuit is that the two input resistors (RI), and the two feedback resistors (RF), must be closely matched.
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