随动电桥断路或高电阻出现，故障是汇电环、电刷、或放大器。
The follow bridge circuit has cut off or high resistanced. The trouble is convergence coil, brush or amplifier.
最初的集成运算放大器的输出级是NPN电流源的NPN放射追随器或通过电阻下拉，如图1.6所示。
The earliest IC op amp OUTPUT stages were NPN emitter followers with NPN current sources or resistive pull-downs, as shown in Figure 1.6.
讨论了负载电阻噪声对负反馈放大电路噪声性能的影响。
The effect of a load resistor noise on the noise property of a negative feedback amplifier is also discussed.
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.
本文应用叠加原理分析运算放大器的开环输入电阻对反相比例放大运算精度的影响。
This paper analyses operation accuracy that is influenced by the open input resistance of operation amplifier by means of superposition theorem.
PGA309作为数字化可编程信号调理芯片，主要用于电阻桥式压力传感器，将微弱的传感器桥路信号进行放大输出。
As a digital programmable chip of signal conditioning chip, PGA309 is mainly used in resistance bridge pressure sensors, it amplifies and outputs the weak signal from the sensor.
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.
同时为了保证测量精度，采用偏置电流极低的运算放大器opa128，并且增大了反馈电阻，以增强对弱信号的响应。
An OPA128 operational amplifier with extreme low bias current and big gain is adopted for enhancing the response to weak signals.
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.
这些电路都分别由两个运算放大器和几个电阻所组成，不需外接电容，其输出波形良好。
Those waveform generators whose output waveforms are quite good are composed of a couple of operational amplifiers and several resistors without any capacitors.
模拟了基极偏置电阻对功率放大器参数的影响。
The effect of base bias resistors on the parameters of pa (power amplifier) was simulated.
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.
本文给出用运算放大器实现负电阻的实验电路及其分析，主要讨论电路的稳定条件。
In this paper, the electric circuit of linear negative resistance was designed with operational amplifier, and its characters. Special stability condition, were analysed.
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.
同时，模拟实验还得出了电容c、电阻r、放大系数K与网络收敛时间的关系。
Meanwhile the simulation also reveals the relations among capacity c, resistance r, gain Kand time.
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.
通过改变前置放大级的阴极电阻或者屏极电阻，是不是就可以改变增益或者音色？
Can I change the preamp cathode or plate resistors to change the gain or tone of my amp?
用热敏电阻器作温度传感器，87C51单片机作主控微机，加上放大器、模数转换器等组成主要硬件系统。
The main hardware is composed of thermal resistor as temperature sensor, 87C51 single chip processor, as main control computer, together with amplifier and A/D transfer.
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.
通过锁相放大技术及基准电阻补偿方法提高了测量的精度，误差在10%以内。
Phase lock loop and benchmark resistance compensating technologies were used to improve the detection precision, the error was less than 10%.
印刷电路板上加绝缘环，消除了线路板绝缘电阻对放大电路输入阻抗的影响。
And insulating ring technology is adopted to further improve input impedance influenced by insulating resistance of printed circuit board.
本文分析在并联补偿电感上加分路电阻的视频放大级的瞬态反应。
The transient response of a shunt-peaked compensated video stage, with shunt resistance across the peaking coil, is analysed.
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.
在阴极偏置放大器，偏置电压是发达国家之间的阴极电阻是绕过一个大电解电容器。
In a cathode-biased amplifier, the bias voltage is developed across a cathode resistor that is bypassed with a big electrolytic capacitor.
当平均经典电压放大器的输出时，通过使用N个放大器和三倍电阻减少噪声到1/ （参考文献2）。
When averaging the outputs of classic voltage amplifiers, you can reduce the noise to a fraction of 1/ by using N amplifiers and three times as many resistors (Reference 2).
当放置在横向器件的漏极或垂直器件的集电极中时，多晶填充的沟槽有效地放大了漏极或集电极区域，从而降低了导通电阻。
When placed in the drain of a lateral device or in the collector of a vertical device, the poly-filled trench effectively enlarges the drain or collector region, thereby lowering the ON-resistance.
例如当一个互导放大器提供一输出电流i0到负载电阻RL，而全部网络给出电压增益为VL/Vi时，就可出现这种情况。
This situation can arise, for example, when a transconductance amplifier feeds an output current i0 to a load resistor RL, but the overall circuit is considered to give a voltage gain VL/Vi.
学生既操作离散元件，例如有电阻、电容、二极体和电晶体，又操作积体元件，例如有运算放大器。
They work both with discrete components such as resistors, capacitors, diodes, and transistors as well as with integrated components such as operational amplifiers.
学生既操作离散元件，例如有电阻、电容、二极体和电晶体，又操作积体元件，例如有运算放大器。
They work both with discrete components such as resistors, capacitors, diodes, and transistors as well as with integrated components such as operational amplifiers.
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