The calculated formula of duty cycle of printed circuit DC motor are analyzed in this paper. The results are verified for example.
分析了印制绕组直流电机的断续周期工作制下的计算公式，并通过实例加以验证。
For analog TV circuit DC fault diagnosis, the post-fault diagnostic speed and the diagnostic accuracy are the main of its performance.
测后诊断速度和诊断精度是电视直流故障诊断性能的重要衡量指标。
For the problem of signal current bypass with track circuit of rolling stock depot in DC electric traction sections, the paper provides measures to prevent it.
针对直流电力牵引区段车辆段轨道电路中的信号电流存在的迂回问题，提出了在工程设计中的防范措施。
A damping circuit is a type of low pass filter that reduces the electrometer's ac response so the low DC current can be measured accurately.
该衰减电路是一种降低静电计交流响应的低通滤波器，使我们可以准确地进行直流弱电流的测量。
It also conducts the signal (it doesn't conduct DC), and is often used at other points in a circuit where the signal needs to travel between two different DC voltages.
同时它也能引导信号(但不引导直流电)，它也经常被用在电路里的信号需要跨越两个不同直流电压之间的地方。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
Scope ground may be connected to other DC level in the circuit other than ground provided the circuit under test is floating.
如果测试电路是浮动的﹐示波器的地也可以接到除地以外的其他直流电平处。
The article presents L6598 inner structure, its lead functions, unit circuit operation philosophy and its circuit in the wide range AC/DC adapter.
文中介绍了L6598内部结构、引脚功能、单元电路工作原理及其在宽范围AC/DC适配器中的应用电路。
Purpose: it can be used as shunt and load resistor in DC or ac circuit of electric facility and electron instrument widely.
用途：可广泛用于各种电气设备和电子仪器的直流或交流电路中作分流或负载电阻等。
A simple and high - Performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is Presented.
提出了一种可控整流电路，它与永磁方波电机联合构成一种简单、高性能的无刷直流发电机。
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.
系统采用软件方式实时计算交流传动系统的运行参数，包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。
By this algorithm, the ac harmonic components of short-circuit current can be filtered, and the accurate DC current rate of change can be obtained.
该算法可以滤去短路电流中的交流谐波分量，得到直流电流变化率的准确结果。
The static current and voltage relays made of solid state circuit and without DC auxiliary supply are presented.
论述了无需直流辅助电源、用厚膜电路构成的静态型电流和电压继电器。
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。
This paper introduced brushless DC motor controller MC33033's performances, working principles and application circuit.
介绍无刷直流电机控制器MC33033的特性，工作原理和应用电路。
DC chopping circuit with power MOSFET have been analyzed in the paper with the help of computer. On the basis of the analysis, a design method is given.
本文对使用功率MOSFET元件的直流斩波电路进行了计算机辅助分析，在分析的基础上给出了工程设计方法。
A DC supply circuit based on capacitors is presented in this paper.
本文提出一种基于电容的直流电源传输电路。
This paper introduces the design proposal of a new-type DC current tester, and expounds the circuit principle and design of the new-type DC current tester.
简单介绍了新型直流电流测试仪的设计方案，详细阐述了新型直流电流测试仪的电路原理及设计。
Purpose: Used in circuit of DC or low frequency AC.
用途：用于直流或低频交流电路中。
Selection of DC chopper main circuit, hardware and software design of special purpose microcomputer are discussed.
对直流斩波器主电路如何选择专用微型计算机硬件和软件设计进行了讨论。
For mobile communications, computers, various consumer electronics, automotive electronics and other electronic devices, surface mount DC or pulsing circuit.
适用于移动通讯、计算机、各种消费电子、汽车电子等各种电子设备的表面贴装直流或脉动电路。
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。
In the system, Intel 80c196mc is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
该系统以80c 196MC为控制核心，采用IPM智能功率模块为功率元件，组成了交直交电压型逆变器主回路。
Main circuit adopts the AC-DC-AC structure and uses IPM(Intelligent Power Module) as main switch.
主电路采用交—直—交电压源型变频器，功率器件采用智能功率模块IPM。
The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo the dc current flows into the stator circuit to realize dynamo braking.
能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.
在电子技术中，把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的，使它的噪声及电压波动都很。
The supply power of copper vapor laser (CVL) consisting of DC high voltage circuit, pulse discharge circuit and one stage magnetic pulse compression circuit is introduced here.
文中介绍了由直流高压电路、脉冲放电电路和一级脉冲磁压缩电路组成的铜蒸气激光器电源。
The supply power of copper vapor laser (CVL) consisting of DC high voltage circuit, pulse discharge circuit and one stage magnetic pulse compression circuit is introduced here.
文中介绍了由直流高压电路、脉冲放电电路和一级脉冲磁压缩电路组成的铜蒸气激光器电源。
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