As to controlling system, the four-channel signals from MCU are output to DC amplifier to be amplified and then loaded to PZT platform.
系统控制方面，通过单片机系统产生四路信号，经驱动电源直流放大后加载到压电陶瓷微位移器上。
This paper lays stress on the description of the three main features of KD1411: 1. the design of weak signal DC amplifier with programmable gain;
本文重点介绍了KD1411的以下三个主要特点：（1）增益可编程控制的微弱信号放大器的设计；
Experimental results indicate that, the DC amplifier is similar to YM3891DC amplifier functionally, but cheaper and more practical than the latter.
实验证明这种直流放大器与YM 3891型直流放大器效果相近，是一种价廉、实用的直流放大器。
A reading offset may be caused by input amplifier overload or DC rectification at the input.
读数偏置可能由输入放大器过载或输入端的直流整流效应所引起。
And then the paper introduces the design of power amplifier and DC regulated power supply.
论文重点介绍了功率放大器和直流稳压电源的设计。
A new type of DC current comparator is researched which includes two parts: a bidirectional self saturating magnetic amplifier and a two care self saturating magnetic amplifier.
研究了一种新型直流电流比较仪，它包括两个环节：双向自饱和磁放大器和双铁芯自饱和磁放大器。
The lamp dimming can be done through this feedback loop or, by setting the reference DC level of the input of error amplifier.
灯管的亮度能够通过反馈回路，或者设置误差放大器输入端的参考端直流电平来调整。
This paper introduces the structure, hardware circuit and software design of PWM DC power amplifier controlled by microcomputer.
本文介绍了单片机控制的PW M直流功率放大器的结构形式、硬件电路以及软件设计。
Meanwhile the absorption and fluorescence spectrums and gain characteristic of the double-cladding plastic optical fiber amplifier (DC POFA) that we had made were tested.
实验测试了所制作出的双包层塑料光纤放大器(DCPOFA)的吸收谱、荧光谱和增益特性。
So the analysis for the DC/DC converter applied in dynamic state should be emphasized when the driving way in the floating type of the high voltage narrow pulse amplifier is studied.
因此，研究悬浮型高压窄脉冲放大器的驱动方式，就是要着重分析动态运用中的DC/DC变换器的工作状态。
The simulation results show that the amplifier of improved control circuit not only solve the question of output DC offset, but also keep the voltage gain lowered by voltage compensation technique.
仿真结果表明，改进控制电路后的系统不但解决了输出直流偏置问题，而且解决了电压补偿方法所造成的放大器增益下降问题。
AT89S52 as a display module to control the core of achieving power amplifier output power, DC power supply of power and machine efficiency, for display.
AT 89s52作为显示模块的控制核心，实现功率放大器输出功率、直流电源的供给功率和整机效率功能的显示。
First, rectified DC voltage are compared with the given value and subtraction, and then obtained voltage control value after get through a low-pass filtering and the error amplifier.
首先将整流直流电压的测量值与给定值进行比较并相减，再经过具有低通滤波功能的误差放大器后得到电压控制量。
The output amplitude and the length of pulses train are greatly improved with additional semiconductor optical amplifier and filter in the optical fiber loop as the DC component of input keeps low.
光纤环形腔中光放大器、滤波器的加入，以及光脉冲直流基座的降低，可以明显改善输出的幅值和复制序列长度。
The cable monitoring module is connected to the central unit via the sitras pro baplus dc buffer amplifier and is powered by the contact line voltage .
另一个可选控制功能是对基于测得电压接触线电压及测试电流的剩余区间电阻进行计算。
Based on a direct-conversion architecture, the receiver integrates LNA, I/Q mixer, DC-offset removal filter, baseband amplifier and channel-select filters on a single chip.
基于直接下变频的系统架构，接收机集成了低噪声放大器、I/Q下变频器、去直流偏移滤波器、基带放大器和信道选择滤波器。
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational-amplifier circuits that now can be more easily implemented in single-supply-voltage systems.
应用包括传感器放大器，直流放大块，和所有的传统运算放大器，现在可以更容易地在单电源电压系统实现电路。
The power circuit is composed of following circuits: RF oscillator, RF power amplifier, DC supply power circuit, protection circuit and matching network.
电源电路包括：射频信号发生电路、射频功率放大电路、直流供电电路和附加保护电路，以及与激光头的匹配网络。
You can run the amplifier AC or DC coupled.
您可以运行放大器的AC或DC耦合。
The replica-amplifier gain enhancement technique is applied to improve the DC gain of the amplifier, which does not degrade the output swing and is very suitable for low-voltage applications.
为了提高运放的直流增益，采用了复制运放增益增强技术，这种技术的特点是在提高增益的同时不影响输出摆幅，非常适合低电压场合。
The PGA consists of the differential amplifier with variable source degeneration resistor and the DC-offset correction circuit.
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。
With the ever-increasing data rates, require high accuracy amplifier with very high dc gain and high unity gain frequency in order to meet both accuracy and fast settling requirements of the system.
而随着数据传输速率的增加，在许多方面需要高增益和高带宽的运放去满足系统的精度和速度的要求。
Purpose: Low voltage output amplifier, audio muting, DC-DC converter.
用途：用于低电压输出放大，音频静音，直流-直流转换。
To compensate for the waveform's dc-offset voltage, an amplifier buffers the 2.6V internal analog-ground reference and drives an output pin that serves as the LVDT's analog-ground return.
为补偿波形直流偏置电压，放大器对2.6V内部模拟地基准进行缓冲，并驱动用作LVDT模拟地回路的输出管脚。
About the power supply, the filaments can be powered by AC or DC except that the 3a5 (version 2 of the amplifier) requires a DC filament supply.
就电源而言，灯丝用交、直流供电均可，但是版本二中的3a5除外，它必须用直流供电。
About the power supply, the filaments can be powered by AC or DC except that the 3a5 (version 2 of the amplifier) requires a DC filament supply.
就电源而言，灯丝用交、直流供电均可，但是版本二中的3a5除外，它必须用直流供电。
应用推荐