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1)  preamplifier NE5534
前置放大NE5534
2)  preamplifier [英][pri:'æmplə,faiə]  [美][pri'æmplə,faɪɚ]
前置放大
1.
In order to improve the sensitivity measurement of the trace gas concentration, proposed one kind of advanced design of photo-electricity detection of preamplifier circuit applied to this monitoring system, that is, the programmable gain preamplifier circuit of photo-electricity detection.
基于可调谐二极管激光吸收光谱(TDLAS)的痕量气体监测系统,为提高痕量气体浓度的高灵敏度测量,提出应用于此监测系统中的光电检测前置放大电路的一种改进设计,即程控增益光电检测前置放大电路。
2.
The keystones and difficulties during the design and realization of NMR preamplifier for Oil Well Logging System were analyzed.
根据微弱信号检测技术和电路低噪声设计基本原理,结合核磁信号本身信号强度微弱、噪声干扰严重等特性,以及核磁共振测井仪工作环境的特殊性,着重分析了在核磁共振测井仪前置放大器研制过程中其关键电路研制的重点和难点,并给出了相应的电路原理图。
3.
In this paper, problems and related technical measures about structure of acquisition system, preamplifier, power and earthing, which must be considered in designing foreside of high-speed data acquisition system, are discussed.
研究了关于高速数据采集系统前端设计时需考虑的结构、前置放大器、电源和接地等问题及其相应的技术措施,从而为设计高性能的高速数据采集系统提供参考。
3)  pre-amplifier
前置放大
1.
Based on the factors of PIN photodiode monitoring, we proposed a pre-amplifier circuit which can improve Signal-to-Noise and decrease the bandwith of noise, and pointed common prinples in designing low-noise, high-responsibility photodiode monitoring.
从PIN光伏探测器的特性入手,设计了一种能提高电路信噪比及减小噪声带宽的前置放大电路,并指出了设计低噪声、高响应度光电检测电路的一般原则。
2.
In this paper, a signal de-tection method and a pre-amplifier circuit design are elaborated according to the Lock-in amplifier (LIA) principle and OPA128 chip characteristic.
本文采用锁定放大技术的原理,根据OPA128芯片的特点,提出了信号检测的方法和前置放大电路的设计。
4)  preamplification [pri:æmplifi'keiʃən]
预放大,前置放大
5)  preamplifier [英][pri:'æmplə,faiə]  [美][pri'æmplə,faɪɚ]
前置放大器
1.
The design of the program-controlled high frequency gain preamplifier and its application in medical instruments;
高频程控增益前置放大器的设计及其在医学仪器中的应用
2.
A 0.18μm CMOS transimpedance preamplifier for optical receivers;
0.18μm CMOS 2.5Gb/s光接收机跨阻前置放大器的设计
3.
Design of the preamplifier in a novel nano impedance microscope;
新型纳米阻抗显微镜前置放大器的设计
6)  pre-amplifier
前置放大器
1.
The design of programming pre-amplifier in high-resolution seismic exploration;
高分辨率地震勘探智能程控型前置放大器的设计
2.
This article presents the Characteristics and design thoughts of the Pre-amplifier of PH Meter,the application of the relevant techniques of EMC and the measures that used in the design.
介绍了PH计前置放大器的特点及其设计思想,阐述了电磁兼容相关技术的应用以及设计中所采取的措施。
3.
An analysis of noise models for two basic pre-amplifier structures:voltage and transimpedance are carried out.
如何降低电路噪声是读出电路研究热点之一,本文就红外探测器的电压型和跨导型两种基本结构前置放大器,建立了噪声等价模型,分析比较了其信噪比。
补充资料:前置放大器
分子式:
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性质:在核辐射探测装置中介于探测器和主放大器之间的单元。主要作用是收集来自探测器的微弱脉冲电流信号。有电压灵敏前置放大器和电荷灵敏前置放大器两类。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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