在设计中，以TL 494作为PWM产生电路输出控制信号，控制开关管的导通状况，在半桥反激式输出的基础上实现了电源的多路输出。
In the design, to produce circuit TL494 as a PWM output control signals, control of the on-switch situation, the half-bridge flyback output on the basis of the power of multi-output.
反激式开关变压器和反馈控制回路设计，以及考虑电磁兼容性对电路的改进，是其关键技术。
The design of flyback switching transformer and feedback control loop and the improvement of the circuit for considering electromagnetic compatibility are the critical technologies.
另外一个SEPIC转换器的优点是几乎任何一个低端调节器或者控制器都可以被设置成为一个毋需反偏或测平移动电路的SEPIC。
A further advantage of SEPIC converters is that almost any low-side regulator or controller can be configured as a SEPIC without the need of polarity inversion or level shift circuitry.
此电路不但可产生模拟反极性信号，而且可抑制语音干扰和线路噪声，有效地解决了实时计费与管理问题。
This circuit can not only produce analogous polarity reversing signal, but also suppress disturbance and circuit noice, thus solving the problem of real time charging and administrating effectively.
它的关键思想是将改进结构的GTO与反并联二极管和门极驱动电路集成在一起，再与其门极驱动器在外围以低电感方式连接。
Its key idea is that integration of GTO with improved structure, antiparallel freewheeling diode and gate drive circuit, then connects its gate drive by low inductance.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
本文论述一种用集成电路来实现具有最小定时限的反时限曲线的新方法。
A new method for implementing inverse time protection with definite minimum time using integrated circuits is presented in this paper.
在此基础上运用数值反拉普拉斯变换(nilt)法分析互连电路的时域响应。
Then the numerical inversion of Laplace transform (NILT) is employed for the time domain response of the interconnect circuits.
设计一种基于反激式同轴多绕组输出均衡电路，实现对多个串联单体的快速有效均衡。
One kind of equalization circuit based on CWT (coaxial windings transformer) was designed to achieve the destination of fast equalization on series connected ultra capacitors.
主电路以反并联的晶闸管作为控制开关，控制焊接用的电阻点焊变压器通电与否。
In the main circuit, the inverse parallel couple SCRs (silicon-controlled rectifier) are used as a electric switch, switching the transformer of resistance spot welding.
通过电压峰值采样保持电路对IGBT串联二极管反压值进行采样，后经DSP A/D转换模块与反压设定值进行比较。
Sample the negative voltage on the diode series with IGBT by Peak hold switch circuit, and cut-in A/D module in the DSP, compared with setting value.
电路内附反符合控制输入和门信号放大器，可实现对多道分析器的堆积拒绝和反符合控制。
Appending a veto control and a gate signal amplifier in the circuit, MCA can be operated in both pile-up rejection mode and anticoincidence mode.
介绍一种高精度数学晶闸管触发器，它基于锁相环同步，适用于双反星形整流电路，并已成功地应用于晶闸管弧焊电流微机控制系统。
Digital thyristor Trigger of High Accuracy is introduced, which is based on phase locked loop synchronization and suitable for dual antistar rectification circuit.
所述集成电路包括具有二极管及与所述二极管连通的反熔丝的存储器单元。
Such integrated circuit includes a memory cell with a diode and an antifuse in communication with the diode.
然而，由于漏感影响，反激变换器功率开关管关断时将引起电压尖峰，必须用钳位电路加以抑制。
However, due to leakage effects flyback converter power switch off when the voltage spike caused by the need to be inhibited by clamping circuit.
辅助电路由辅助开关管、耦合电感(反激变压器)和反馈二极管构成。
The auxiliary circuit is composed of an auxiliary switch, a coupled inductor (flyback transformer) and a feedback diode.
介绍了一种反激式变换器零电压关断缓冲电路，同时分析了其工作原理。最后简要地介绍一下其设计方法。
An introduction to a type of lossless snubber circuit applicable to flyback converter was given, and its working principles were analyzed.
双反星型，平衡电抗器及平波输出电路，焊接电流稳定。
Double reversed star shape, interphase reactor, flat wave output circuit, stable welding current.
分析了谐波反电势信号的构成，设计了相应的位置信号检测电路及步进电动机的微机控制系统。
The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed.
使用单端反激变换器电路，用PWM信号控制开关管MOSFET。
Single flyback converter circuit, as well as the PWM signal, is used to control the MOSFET.
但如果设计反激有源箝位电路工作在电流连续模式，控制占空比，使输入电流跟随输入电压，可以提高输入功率因数。
However if the active clamp flyback converter is designed to operate in CCM, and the duty cycle is controlled to make the input current track input voltage, the input power factor can be improved.
介绍了采用基于ROM查找表的全数字反离散余弦变换(IDCT)电路的算法原理及其并行架构的大规模集成电路实现。
This paper presented an ROM look-up table (LUT) based inverse discrete cosine transform (IDCT) algorithm and its LSI implementation having parallel architecture.
但目前的有关教材和资料对这类电路中主晶闸管反压时间的分析和计算或者有误、或者没有论述。
But, in relevant published textbooks and references, the analysis and calculation is either not given or not correct.
在一种可替代的电路中，每个负载器件(M3,M4)的衬底都与它的漏极相连，并且被偏置在弱反型区工作。
In an alternative circuit, each load device (M3, M4) has its bulk connected to its drain and is biased to operate in the weak inversion regime.
本文研究了三相感应电动机软起动器，主电路由三组反并联的晶闸管构成。通过控制晶闸管的触发角，可降低三相感应电动机定子电压，从而达到抑制起动电流冲击的目的。
The principle of the soft starter is reducing the voltage applied to the stator of the induction motor by control the triggering angle of the thyristors in order to limit the starting current surge.
选择了反激式开关电源作为高压电源的主电路，并以555脉冲控制电路和反激式驱动电路作为辅助电路。
The flyback mode switch power supply is chosen as the main circuit of the high voltage power in the paper with 555 pulse control circuit and flyback drive circuit.
采用反激式直流变换型电路，具有四路输出而总元件数仅55个。
Four different levels of output are provided while only 55 elements, including transistors, resistances and capacitors, are used.
文中介绍了NCP1205的工作原理和主要特点，并将其应用于交错并联反激电路中，大大减小了开关管的开通损耗，减小了输出电压纹波，提高了电路效率。
NCP1205 is applied to the interleaving paralleled backward circuit to reduce the switch tube power loss and output voltage ripple, to enhense the circuit efficiency.
文中介绍了NCP1205的工作原理和主要特点，并将其应用于交错并联反激电路中，大大减小了开关管的开通损耗，减小了输出电压纹波，提高了电路效率。
NCP1205 is applied to the interleaving paralleled backward circuit to reduce the switch tube power loss and output voltage ripple, to enhense the circuit efficiency.
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