它实际上是一差动放大器，其中感官都输入信号和反馈的差异。
It is actually a differential amplifier which senses both input signal and feedback differentially.
用差动放大器对轴承式检流计进行改造，使之具有灵敏度高、不易损坏、可直立放置等优点。
A bearing galvanometer is modified using a differential amplifier. It has the advantage of high sensitivity and is less likely to damage and able to be put upright.
其它特性包括：集成缓冲用来驱动基准电压，以及集成完全差动放大器用来缓冲调制器输入并进行电平转换。
Other features include an integrated buffer to drive the reference as well as a fully differential amplifier to buffer and level shift the input to the modulator.
本文对运算放大器在差动输入状态下的输入阻抗问题做了全面的分析。
A full-scale analysis of input impedance of the operational amplifier under the state of differential input is given here.
半导体、二极体、双极电晶体、场效电晶体、电晶体放大器、频率响应、算放大器、差动及多极放大器、积体电路。
Semiconductor diodes bipolar junction transistors field-effect transistors transistor amplifiers frequency response operational amplifiers differential and multistage amplifiers integrated circuits.
分析了涡街流量信号的特点，设计了增益自适应差动电荷放大器并介绍了它的工作原理。
Analyzes the characteristics of vortex signal, designs a differential charge amplifier with gain adaptive function, and analyzes its operational principle.
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。
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.
进一步的分析还表明，该公式完全适合于差动输入的仪器放大器。
Furthermore, advanced analysis shows that this formula is completely suitable for differential amplifiers of instruments.
设计了一种低电压全差动增益增强CMOS运算跨导放大器。
A low voltage fully differential gain-boosted CMOS operational transconductance amplifier is designed.
介绍一种利用占空比与PWM电路补偿端电压之间的关系，设计的以差动电压放大器为核心构成的占空比测量电路；它能以数字显示形式直接给出脉冲电源输出电压的占空比。
A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
该芯片的判决电路采用SCFL(源级耦合晶体管逻辑)的D触发器结构，根据矢量叠加原理设计，采用差动电流放大器构成可调移相器。
The decision circuit of the chip is applied with a DFF using SCFL structure and its tuned phase shifter with differential current amplifiers according to the principle of vector addition.
此设计在结构上属于跨阻抗放大器，采用全差动电路的形式构建完成。
This design is a transimpedance amplifier and it is constructed following the difference rule.
输入失调电流是两个差动输入端的基极输入电流，当两个输入端的源阻抗不相等时，它可引起仪表放大器的失调误差。
Input offset current is the difference between the two input bias currents and this leads to offset errors in in-amps when source resistances in the two input terminals are unequal.
此外，为消除各种干扰信号，前置放大器采用差动放大方式来检测次级端上的信号变化。
Additionally, the head amplifier adopts a differential amplification mode to test the change of the signals on the secondary end for eliminating various interfering signals.
多级放大器的放大倍数的计算有两种基本方法，但当多级放大器中含有双入双出型差动电路时。
When multistage amplifier has double-input double-output differential circuit, the two methods produce different calculating results.
阐述了手持式内置微型差动式电荷放大器和频率补偿电路一体化的发动机振动传感器。
A composite motor vibration transducer with differential charge amplifier and adaptive frequency compensating circuit is introduced.
阐述了手持式内置微型差动式电荷放大器和频率补偿电路一体化的发动机振动传感器。
A composite motor vibration transducer with differential charge amplifier and adaptive frequency compensating circuit is introduced.
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