Trigger pulse can be resulted from the combination of a double time base chip 556 and a comparator.
经在多台大功率晶闸管整流装置中应用，获得了很好的应用效果。
Independent strobing of each comparator channel is provided, and pulse stretching on the output is easily accomplished.
每个比较独立闪烁的通道，并有脉冲输出伸展很容易实现。
Other applications of the dual comparator include a window discriminator in pulse height detectors and a double ended limit detector for automatic Go-No-Go test equipment.
对偶比较其它应用包括在脉冲幅度探测器窗口鉴别器和一个双端自动前往，无法进入测试设备限制探测器。
Every sub-circuit is designed reasonably according to the principle and character of PWM switching converter, such as: bandgap, error amplifier, oscillator, narrow pulse generator, saw tooth generator, PWM comparator, PWM modulator, output stage, OCP circuit and low voltage comparator.
根据PWM开关电源的原理和特点，合理地设计了各个子电路，其中包括：带隙基准源、误差放大器、振荡器、窄波发生器、锯齿波发生器、PWM比较器、PWM脉冲调整器、输出级电路、过流保护电路和低压比较器等。
Each current loop controller includes PI controller circuit、coordinate transformation circuit、SVPWM(Space Vector Pulse Width Modulation)、current comparator circuit、rotary encoder comparator circuit、linear encoder comparator circuit, etc.
各轴电流回路包含PI控制器计算电路、座标转换电路、空间向量脉波宽度调变电路、电流估测电路、光学编码器与光学尺信号侦测电路等。
The circuit of the oscilloscope mainly consists of sampling pulse generator, sampling gate and comparator.
取样示波器由比较器，取样脉冲发生器，取样门等部件组成。
A novel analog multiplier based on the principle of pulse width height modulation (PWHM) is discussed. This circuit is composed of single chip IC operation amplifiers and voltage comparator.
在阐明脉冲宽度高度调制（PWHM）式模拟乘法器原理的基础上，介绍一种由单片集成运放和比较器构成的电路。
Moreover, in the comparator circuit unit, we realize the function - the detection of the number of positive and negative electric pulse.
在比较器电路单元设计方面，实现了分别检测正、负半周的脉冲个数的功能。
The main circuit of protection equipment is a fast power electronic switch negatively paralleled on the side of test transformer primary winding, the control circuits are mainly composed of input circuit, amplifier, voltage comparator, timer, forming pulse circuit and strong trigger.
该装置的主电路采用了反并联在试验变压器一次侧的快速电力电子开关，控制电路由信号输入电路、放大电路、电平比较电路、定时电路、脉冲形成电路和强触发电路等组成。
Pulse width counting method is to compare the grayscale signal from binary image that stored in the latch, with the value in the counter. The counter and comparator control the duty cycle of the pulse in order to modulate the grayscale signal.
脉宽计数法是将保存在锁存器中的二进制图像的灰度信号，与计数器中的数值通过比较器比较，由计数器和比较器来控制脉冲的占空比，从而达到调制灰度信号的作用。
In this paper, the working principle of the zero-voltage-switching pulse-width modulation (ZVS-PWM) for spot welding inverter power source and the principle of establishing dead-time are analyzed, the operation principle of DSP's comparator and generating method of PWM square wave with DSP are introduced.
分析了零电压开关PWM逆变点焊电源和死区时间设置的工作原理，阐述了DSP比较单元的工作原理和利用DSP产生PWM方波的方法。
This paper introduces the working principle and main function parts of the digital control machine tool servosystem using digital pulse comparator.
介绍了一种采用数字脉冲比较器的数控机床伺服系统的工作原理及主要功能部件。
The interrogation pulse, filter, signal amplifier, voltage comparator and the signal processing circuits are designed and realized.
设计并实现了激励脉冲发射电路、滤波、信号放大、电压比较、检波等信号处理电路。
The comparator will output a count pulse when go through a reference voltage, the comparator will output different counting pluses if choose different reference voltages, itcan achieve the purpose of signal subdivided.
选择不同的参考电压，比较器便输出不同的计数脉冲，达到信号进一步细分的目的。
How to turn the signals into acceptable trigger pulse is the task of the trigger circuit, which includes trigger source choice circuit, coupling types choice circuit, trigger amplifier and comparator.
触发信号调理电路主要包括触发源选择，耦合类型选择，触发放大器和触发比较器等组成部分。
Threshold Variation Compensated Inverter-Comparator for Pulse Circuits
用于脉冲电路中带阈值补偿的倒相-比较器
This paper introduces a new type of fraetional-N frequence synthesizer. It has very fast changing-frequence speed and needn't any comparator circuit by using a new pulse frequencc discriminator.
本文提出一种新的频率合成器，它通过引入一种新的脉冲频率鉴频器和采用小数分频技术，使得其具有换频速度快，并不需要附加小数分频补偿电路等优点。