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它被称为前置放大器或前置放大器。It called the preamplifier or preamp.

集成电路。通用型，低噪声前置放大器。Integrated circuit. General purpose, low noise preamplifier.

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前置放大器由音频功放LM386组成。The preamplifier consists of the audio-frequency power amplifier LM386.

该比较器包含一级预放大器、动态锁存器及时钟控制反相器。The comparator includes a preamplifier , a dynamic latch and a clocked inverter.

脑电信号通过前置放大器放大后，由C8051F020内部的12位ADC进行采样。The 12-bit ADC in C8051F020 samples the EEG signal amplified by the preamplifier.

前置放大器和显示安装在口袋大小的振动查处。Acceleromater, preamplifier and display are installed in a pocket-size vibration mete.

比较器是前置放大器与动态锁存器组成的开关电容电路。It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.

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利用前置放大器和滤波器有效滤除掉呼吸，心电，人体等干扰。Preamplifier and filter were used for cancellation of respiratory ECG, body interference.

这些卡中包含一个内置的前置放大器，是通过一个微芯片处理器来控制的。These cards include a built in preamplifier and are controlled through a microchip processor.

文章给出了电子秤的机械稳定性和高稳定度前置放大器的研究结果。This paper describes the working of the electronic-weighing system and a preamplifier used in this method.

简要介绍了新型低噪声快电荷灵敏前置放大器。A new low noise, fast charge sensitive preamplifier developed recently is introduced in brief in this paper.

检测器内部的前置放大器将微弱的电场信号放大后，送报警器进行比较处理。Detector internal preamplifier after weak electric signal amplification, comparing to send alarm processing.

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设计超低噪声前置放大器是设计微弱信号采集仪器时不可回避的技术问题。The key to the design of feeble signal sampling system lies in the designing of ultra low noise preamplifier.

与图1-8所示相同的基本电路结构也可以用作纳伏表的输入前置放大器。The same basic circuit configuration shown in Figure 1-8 can be used as an input preamplifier for a nanovoltmeter.

感应磁力仪与前置放大器之间的匹配问题是大地电磁测深仪中最关键的一项技术。Matching a inductive magnetometer with its preamplifier is the keyest technique in magnetotelluric sounding system.

设计了具体的LED光源的驱动电路，以及前置放大器、减法器等的具体电路。Have designed the concrete drive circuit of LED light sources and the concrete circuits of preamplifier and subtracter, etc.

基于预放大锁存快速比较理论，提出了一种新型高速低功耗CMOS比较器的电路拓扑。Based on the preamplifier-latch fast-compare theory, a novel topology of CMOS preamplifier latch comparator circuit is presented.

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基于经典的仪表放大器基本框架，改进和设计了一种可用于心电信号采集的前置放大器。Based on the structure of classical instrumental amplifier, a preamplifier for the measurement of EEG signals is improved and designed.

根据级联网络及噪声理论，本文采用分立元件设计了一种低噪声前置放大器实用电路。According to series-wound amplifiers and noise theory, an applied circuit of low-noise preamplifier is designed using unattached components.

同时指出了这种连续波弱信号CO2激光放大研究用于CO2相干激光雷达前置放大器的可能性。Some effects are achieved. In the meantime, the possibility of using the study result for the preamplifier of CO2 coherent laser radar is also analyzed.