本文介绍用电路构造智能式精密数字电阻仪的原理及技术途径。
This paper presents the principle and design method of a precision digital resistor constructed by a circuit.
线性化所用的电路与电控的或手拨的数字电阻箱匹配之后,可用于程序的或定点的精密温度控制。
The circuit for linearization can be applied in the accurate temperature program-control or fixed-point control after it is matched with an electric or manual resistance box.
与数字多用表不同,微欧姆计没有内部电阻器(RS),所以四条引线都要连接才能进行测量。
It doesn't have the internal resistors (rs), as in the DMM, so all four leads must be connected to make a measurement.
这个小的电阻值通常用数字多用表或者微欧姆计来测量。
This small resistance is normally measured with a DMM or a micro - ohmmeter.
本文介绍了一种较具适用性的有效数字的定义,并给出了伏安法测电阻时数据处理的合理结果。
One suitable definition of significant figure is introduced and the reasonable data treatment result in measuring resistance with voltmeter-ammeter method is obtained.
数字逻辑门电路作为集成电路被制造:所有组成的晶体管和电阻建立在一块半导体材料上。
Digital logic gate circuits are manufactured as integrated circuits: all the constituent transistors and resistors built on a single piece of semiconductor material.
本文介绍了一种以数字信号处理器DSP为核心的电阻炉温度控制系统。
This text introduced a kind of with digital signal processor DSP for core of electric resistance furnace temperature control system.
典型的数字源表不像源-测量单元那样具有极高输入电阻或极低的弱电流测量能力。
The typical SourceMeter instrument doesn't have as high an input impedance or as low a current capability as a source-measure unit.
利用数字电位器ds1867实现了对激光器电源内部电阻的控制,从而改变激光器发射功率等级的目的。
This laser power can control adjustable resistance internal to change the level of transmitting power using the digital resistance DS1867.
该装置由电阻应变片式称重传感器、称重数字显示仪表及计算机数据处理软件联合组成。
The instrument is composed of the weigh sensor in form of electric resistance strain gage, weigh digital display instrument and computer data processing software.
详细介绍了用直流数字电压表法校准电阻箱的原理、数学模型及测量不确定度评定方法。
This paper introduce in detail the principle of the calibration of resistance box by method of direct current digital voltage meter, mathematics model and the way of uncertainty evaluation.
BBT拥有成熟的LED生产线,配有积分球、老化架、耐压测试仪、激光标记、数字功率计、绝缘电阻测试仪,等。
BBT owns mature LED production lines, equipped with integrating sphere, aging racks, withstand voltage tester, laser marker, digital power meter, insulation resistance tester, etc.
在每次测试第一次通电过程中,控制动作时间比较电路启动,同时数字信号处理芯片自动记录每一路的热敏电阻的动作时间数据,并进行处理。
In the first course of testing, the operating time of compare circuit is brought into play, synchronously, digital signal processor clock all the testing circuits operating time and keep these .
图4 -43示出使用2182a型纳伏表和2400系列数字源表仪器进行接触电阻测量的测试配置情况。
Figure 4-43 illustrates a test configuration that employs a Model 2182a Nanovoltmeter and a Series 2400 SourceMeter instrument for contact resistance measurements.
这个引导将持续到处置电流气氛显然由一个或多个表显示灯L的电阻数字5。
This boot will continue until the disposal of electrical current atmosphere is evident by the one or more table lamps L of resistance shown in Figure 5.
提出了有源钳位准谐振变换器的一种新的驱动方式,它无需经过数字电路延时,只需一个电阻和二极管构成的小网络。
This paper proposes a new gate drive method for active clamped quasi resonant converters. Instead of a digital delay circuit, only a resistor and a diode are added to produce correct drive waveforms.
本文介绍了2400数字源表在压敏电阻测试中的应用,主要描述其中的测试过程,测试方法和测试技术。
The article Introduce piezofranslstor measurement with 2400 digital source-Meter, and describe the testing course and testry methocl and testing technology.
这些数字多用表可以实现你对一台数字表预期的所有功能,包括电压、电流和电阻。
These Numbers can be used to achieve all the functions you expect from a digital table, including voltage, current, and resistance.
PGA309作为数字化可编程信号调理芯片,主要用于电阻桥式压力传感器,将微弱的传感器桥路信号进行放大输出。
As a digital programmable chip of signal conditioning chip, PGA309 is mainly used in resistance bridge pressure sensors, it amplifies and outputs the weak signal from the sensor.
本文采用数字电位器x9c 103来改变高频放大器的反馈电阻以达到控制反馈的目的。
In this paper, digital potentiometers X9C103 to change the high-frequency amplifier feedback resistor to achieve the control feedback purposes.
电阻测量是数字多用表的基本功能之一,减小误差提高测试精度是测量设备追求的目标。
Resistance measurement is a fundamental function of digital multimeter. The development of this device aims for reducing the error and improving testing accuracy.
实验结果表明,以“被测试电机-直流电力测功机-负载电阻”为结构、基于数字信号处理芯片的感应电动机转矩-转速特性自动测试系统是可行的。
The experimental results demonstrate: the automatic measurement system which bases on the DC dynamometer and DSP can well measure torque-speed characteristic of induction motor.
氧化锌避雷器放电次数及泄露电阻电流、电容电流可用RS485接口以数字量输出。
Zinc oxide lightning arrester discharge frequency, leakage resistance current, and capacitive current can be output digitally with interface RS485.
热敏电阻数字化技术已被用于多点温度遥控遥测系统中。
A technique of making thermal sensitive resistance digital has been used in temperature remote control system.
对于大多数的应用来说,微欧姆计或数字多用表足以用来进行接触电阻的测量工作。
For most applications, the micro-ohmmeter or DMM is sufficient for contact resistance measurements.
因为数字电位器触点电阻随供电电源增长而减少,应该选择高供电电压。
Because the resistance of a digital-potentiometer wiper decreases with increasing supply voltage, you should select a high supply voltage.
其次对集成电路内所需要的基本模拟及数字电路如有源电阻、电流镜、电压比较器、与门及或门进行了设计和仿真。
Then the all basic-circuits are also designed and simulated carefully including active resister, current mirrors, comparator, inverter, AND gate, OR gate.
目的研究一种用于电阻抗多频及参数成像数字采集系统的具有高抗噪性能和快速的解调方法。
AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography.
利用数字显示时间继电器、交流接触器、断路器以及电阻性负载设计了一个简易的触头材料实验电路。
The simple experimental circuit contact material is designed using time relays with digital display, contactors, switchgear and resistive load.
利用数字显示时间继电器、交流接触器、断路器以及电阻性负载设计了一个简易的触头材料实验电路。
The simple experimental circuit contact material is designed using time relays with digital display, contactors, switchgear and resistive load.
应用推荐