The noise function of pre - amplifier is also studied. Some low noise circuit design criteria are concluded .
通过对嗓声系数特性的研究，总结了前置放大电路低噪声设计准则。
If the short circuit has a very low thermoelectric EMF, this can be used to verify input noise and zero drift with time.
如果输入端的短路点具有很低的热电动势，用这种方法就可以验证输入噪声和零点随时间的漂移。
Low noise, high linearity RF front end circuit is the key of the whole RF receiver system design.
低噪声、高线性度的射频前端设计是整个射频接收机系统电路设计中的关键。
In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.
在电子技术中，把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的，使它的噪声及电压波动都很。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
智能天线子系统中，射频前端模块包括线性功率放大器，低噪放大器，检测控制电路。
The microwave circuit unit is composed of microwave signal resource, low noise amplifier and microwave detector.
测量系统采用了微波信号源、低噪声放大器和微波检波器等组成微波电路单元。
This paper presents a new type of low noise frequency conversion circuit based on the research of phase noise conception, generation as well as relativity measurement method.
本文在对相位噪声的概念、产生及其相关测量方法研究的基础上，设计出一种低噪声频率变换电路。
The system consists of driving pulse generating circuit for CCD, instrumental amplifier with low noise, MCU controlling circuit and PC program for dealing with the data conveyed by MCU.
系统包括CCD驱动脉冲产生电路、低噪声测量放大电路、自适应比较电路、单片机控制电路以及上位机处理程序。
By imitating of the design characters of the high frequency circuit, the origin and the classification of the noise interferences of the low field NMR circuit system are analyzed.
此外本文参照高频电路的设计特点，分析了低场磁共振信号放大电路的噪声干扰来源，给出了一些减少噪声干扰的具体措施。
In this paper, design method for wide band and low noise AGC amplifier is intro-duced. Circuit design and implementation is presented based on some application.
介绍了宽带低噪声agc放大器的设计方法，并结合具体应用进行了电路设计和实现。
Aimed at the characteristics of ut, a receive and adjust circuit is designed, which have character of low noise, wideband, wide dynamic range of input.
针对超声探伤的特点，设计了低噪声、宽频带、动态范围大的接收调理电路。
The module design contains transmission line, bias and APC circuit of LD, low noise and high linearity RF circuit, FSK modern, monitor and control circuit design and PCB layout.
本文重点进行了光模块主要的电路包括传输线、LD偏置电路与APC电路、低噪声高线性射频电路、FSK调制与解调功能电路与监视控制功能电路的设计。
We designed a low-noise, high-precision I-V conversion circuit by use of AD8099 based on the method of weak signal testing.
基于微弱信号检测的方法，设计了应用AD8099实现的一种低噪声、高精度光电转换电路。
This circuit with low noise, low zero bias, high bias stability can meet the I-FOG's requirement by experiments.
经实验得到了优良的零漂、零偏、低噪声指标，可满足闭环I-FOG的实用要求。
Extreme low noise level Smart Fan Control Circuit based on our Automatic Temperature sensor.
超低噪音水平智能风扇控制电路我们的自动温度传感器。
Based on the theory of chaotic synchronization, a chaotic transmitter and receiver circuit with low noise was proposed, and the principles of synchronization and secure communication were expounded.
基于混沌同步理论，设计出低噪声的混沌发射机和接收机电路，阐述了实现同步和保密通信的原理。
Experiment proved that the circuit has good performance with zero drift, zero bias and low noise, which can meet the I-FOG's requirement.
经实验得到了优良的零漂、零偏、低噪声指标，可满足闭环i -FOG的实用要求。
In the paper a new structure of the readout circuit CDS structure was presented, the circuit is not only simple in structure, but also low power consumption, low noise and single-ended output.
本文提出了一种新结构的相关双取样读出电路，该电路不仅结构简单，同时具有功耗低、噪声小、单端输出等优点。
For every circuit unit, mainly analyzing and designing the low-noise preamplifier, rule control amplifier and linearity precision detector unit circuit and so on.
各单元电路设计时，从整个测量系统误差的角度分析设计低噪音前置放大器、程控放大器、线性精密检波器等单元电路。
Some measures are taken to low the effects of the noise interferences on the electronic circuit.
给出了减小噪声干扰的一些具体措施。
The chapter five gives the low-noise design techniques of PCB, from choosing the type of components to layout of the circuit.
第五章是电路的抗干扰性设计，包括元件种类的选择、PCB设计电路布线上需要注意的问题。
This circuit have advantages of low noise, small size, simply circuit structure and low cost. etc.
电路结构简单；价格低等特点，并且对整个电路做了较详细的阐述。
The circuit employs chopper technique which can effectively reduce the low frequency noise and amplify the weak signals.
该电路应用斩波技术，大大降低了低频噪声，实现了对低频微弱信号的放大。
We also developed a new low-noise photodiode signal amplification circuit to further improve sensitivity.
同时，已经研制了新的低躁声光电信号放大电路，将用于以后的灵敏度改进。
Because it is related to the magnitude of noise RMS voltage, the frequency characteristic of circuit and the power spectrum of noise source, the accuracy of measurement is quite low.
但由于与噪声电压的大小，网络频率特性及噪声源功率谱形式有关，故测量准确度较低。
Because it is related to the magnitude of noise RMS voltage, the frequency characteristic of circuit and the power spectrum of noise source, the accuracy of measurement is quite low.
但由于与噪声电压的大小，网络频率特性及噪声源功率谱形式有关，故测量准确度较低。
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