The principle of the most significant bits digital decoder-13 bits DAC is described in detail, and the gain controlled amplifier is theoretically analysed.
详细叙述了高位数字译码器13位DAC的工作原理，并对可变增益放大器作了理论分析。
The theory research results of one cycle controlled switching power amplifier show that the output signal follow the input signal linearly, and the control performance is decided by output filter.
理论分析结果表明，单周控制开关功率放大器的输出信号与输入信号成线性变化关系，其控制性能由输出滤波器决定。
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。
The gain of this operational amplifier is voltage controlled and can be adjusted by voltage variation through P2.
这种运算放大器的增益电压控制，并可以通过P2电压变化调整。
The system performance testing shows that the more stable characteristic of dual-laser controlled erbium-doped fiber amplifier is an obvious advantage over the single-laser controlling.
系统性能测试表明：双激光控制掺饵光纤放大器在稳定性方面比单激光有着明显的优势。
A type of automatic calibrating amplifier controlled by single-chip microcomputer is presented in this paper and its application is shown by an example.
本文提出一种单片机控制的自校准放大器，并举例说明它的应用。
This paper introduces a sort of program-controlled-gain technology, which makes use of DAC0832. The amplifier has good control and linear characteristic.
介绍了一种实用的程控增益技术，该技术利用DAC0832作为程控增益放大器，具有良好的控制特性，线性度好。
Normally, the current flowing through the proportional solenoid will be controlled by some form of electronic amplifier.
一般地，通过比例阀电磁铁地电流由一些形式地电子放大器控制。
It is applied that optic variable density disk which controlled by microcomputer and floating point amplifier technology in this device.
此装置采用单片机控制光学变密度盘，浮点放大器技术。
This article introduces the basic principle of the programme control amplifier controlled by 8031 single chip microcomputer and the design thought of the system hardware and software.
本文介绍了一种由8031单片机系统控制的程控的放大器的基本原理和硬件与软件设计思想。
On the basis of analyzing the principle of peak-current-mode-controlled boost converter, a novel transconductance error amplifier with high accuracy and high performance is presented.
在分析峰值电流模式升压转换器原理的基础上，设计了一种结构新颖，高精度高性能跨导误差放大器。
An improved current-controlled tristate switching power amplifier based on sample-hold strategy is proposed in this paper.
提出一种改进的基于采样-保持策略的电流三态调制开关功放。
In this paper, the electro-hydraulic servo system is valve-controlled motor, mainly include electro-hydraulic servo valves, amplifier, hydraulic motors, and other feedback components.
本文中电液伺服系统为阀控马达系统，主要包括电液伺服阀、放大器、液压马达、反馈元件等。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
提出一种自动量程切换电压测量系统的设计方法，该系统基于程控增益放大器器件，使用单片机控制其增益实现量程的自动切换。
The output of the amplifier (electrical current) is controlled by the input signal so with zero input the output current is also zero.
放大器地输出(电流)由输入信号控制，所有零输入信号，电流输出也是零。
Has proposed a programme-controlled scheme in the sensitivity throw-over of charge convert and gain throw-over of output amplifier;
在电荷转换部分的灵敏电容的切换和输出放大级的增益切换电路的实现上提出了程控的方案；
Has proposed a programme-controlled scheme in the sensitivity throw-over of charge convert and gain throw-over of output amplifier;
在电荷转换部分的灵敏电容的切换和输出放大级的增益切换电路的实现上提出了程控的方案；
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