程控放大器能够把这样的信号变换成与测量或控制电路相匹配的输入电压。
Programmed amplifier is able to convert these signals into input voltage which match with testing circuits.
该系统是以微型计算机为主，由脉搏传感器，程控放大器和多功能数据采集器组成。
The system is composed of microcomputer, sensor of pulse, program-control amplifier and data sampler.
采用程控放大器对音量进行宽范围控制，提供了具体硬件电路并指出了软件构成方法。
A way of controlling the voice volume in a wide range with program-control amplifier, the hardware circuit and constructing method of software are given.
介绍了一种在单片机的控制下能实现对放大倍数进行自动调整，且输出结果在选定的范围之内变化的串行程控放大器。
It can automatically change its amplification with the control of a single chip computer so that the output can vary within proper limits.
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。
For every circuit unit, mainly analyzing and designing the low-noise preamplifier, rule control amplifier and linearity precision detector unit circuit and so on.
作者认为利用程控放大器消除光栅信号缺陷的方法，可有效消除信号的幅值不稳定和直流电平漂移，并对信号的可调节范围及精度作了定量分析。
A method which can be used to eliminate the defects of the grating signal has been discussed. The controllable range and accuracy of the signal has been calculated.
介绍了程控增益放大器三种电路实现方式，以及这几类电路在电声系统中的应用。
Three kinds of programmable gain amplifier circuit are introduced in this article. Their applications to electro-acoustic system are introduced, too.
设计了一个测量放大器电路，它由差动放大电路、共模抑制电路、双端单端转换电路和程控增益放大电路组成。
A measurement amplifier circuit is designed, which consists of circuits of differential amplifier, a common-mode rejection, double-end and single-end conversions and programmed gain amplifier.
采用程控双时值放大器非叠加实时检测法，检测116例健康大学生的体表窦房结电图。
The body surface sinus node electrogram (SNEb) was recorded in 116 young healthy students by using programme double time constant amplifier.
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。
It presents a system of voltage measurement with self-scale, based on the program control amplifier controlled by the single chip computer.
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。
This paper introduces a sort of program-controlled-gain technology, which makes use of DAC0832. The amplifier has good control and linear characteristic.
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。
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.
新型接口包括有应变放大器和由微机程控的多路自动转换器。
The novel interface equipments consist of a strain-amplifier and a programming multiple channel auto-switcher.
并以宽带电流反馈运算放大器为核心，辅以FET输入电路及程控电路构建了高速高输入阻抗可变增益放大电路。
Combined with wide band current feedback amplifier, FET input circuit and programmable circuit, variable gain amplification circuit with high speed and high input impedance is designed.
该系统中的硬件包括D／A和A／D转换接口、程控增益放大器、多路取样阀门控制接口等；软件包括在线流程分析和常规分析软件。
Hardware interface includes A/D, D/A converters, programmable gain controller and multiplex sampling valve controller. software includes on-line process analysis and normal analysis unit.
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；
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;
本文针对增益为20～ 23倍的可编程阶码放大器AD5 2 6集成片，摆脱传统的设计方法，提出一种反馈式程控放大电路。
This paper introduces a special amplifying circuit which can vary the gain from 2 0 to 2 3 in allusion to AD526 chip, throwing out of the traditional method.
本文针对增益为20～ 23倍的可编程阶码放大器AD5 2 6集成片，摆脱传统的设计方法，提出一种反馈式程控放大电路。
This paper introduces a special amplifying circuit which can vary the gain from 2 0 to 2 3 in allusion to AD526 chip, throwing out of the traditional method.
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