查询词典 by-product circuit

The invention discloses a DC/DC circuit, comprising a PWM controller, a current amplifier, a peak current comparator, an error amplifier, a main switch, a synchronous switch and also an operational amplifier. The non inverting input end of the operational amplifier is used for coupling with input voltage or voltage reference, or used for coupling with the input voltage and the voltage reference; the inverting input end of the operational amplifier is used for coupling with the voltage reference or ground, and the output end thereof is connected with the non inverting input end of the error amplifier.

本发明公开了一种DC/DC电路，包括PWM控制器、电流放大器、峰值电流比较器、误差放大器、主开关和同步开关；还增设运算放大器，其同相输入端用于与输入电压或基准电压耦合，或用于同时与输入电压和基准电压耦合；其反相输入端用于与基准电压或地耦合，其输出端与所述误差放大器的同相输入端连接。

In this paper, the application of the multilevel invertor and the development present condition of multilevel invertor circuit and control strategy is introduced firstly.

本文首先介绍了多电平逆变器的应用，以及多电平逆变器电路拓扑结构和控制策略的发展现状。

Hysteretic-current-loop PWM invertor is its main circuit.

转速闭环采用带限幅的PI调节器，主电路采用电流滞环控制PWM逆变器。

This paper mainly introduces the electrical characteristics of the Robot MOSFET Arc Welding Invertor and its arc welding technological properties. Emphases are laid on the analyses of the current and voltage wavefonns of the main circuit as well as the energy loss of the MOSFETs. The different static characteristic curves and parameters of electrical reactance are also discussed.

研究了机器人场效应管式弧焊逆变器的电气性能和弧焊工艺性能，并着重对其逆变主电路电流、电压波形、管组功耗进行分析研究，以及探讨如何采用不同形状的外特性曲线与合理设计电子电抗器的电参数，从而提高弧焊机器人对不同工件开关、不同弧焊方法的适应性，实现贫飞溅的焊接。

In this paper the pulse measurement used to measure the pulse ionization electron current for electron impact ion source of time of flight mass spectrometer was discussed, the shortcoming of average current measurement was analyzed, and the practical measuring circuit of the pulse was given.

本文讨论了脉冲测量技术在飞行时间质谱计电子轰击离子源中测量脉冲离化电子流的应用，分析了平均电流测量方法测量脉冲离化电子流的局限性，给出了实际的脉冲测量电

Smoke Detection Circuit C The smoke comparator compares the ionization chamber voltage to a voltage derived from a resistor divider across VDD.

烟雾检测电路C的烟雾比较器比较电离室电压从整个VDD的电阻分压器产生一个电压。

But for Irkutsk to the Great Wall Station circuit,there is little relationship between the fading depth and frequency.It seems that the relationship between fading depth and frequency is controlled by the factors such as location,distance etc.

但依尔库茨克－南极长城站电路的衰落深度与频率、时间无关，说明衰落深度与频率、时间的关系还要受距离、位置等因素的影响。

Printed Circuit Board. The main system software is located in ROM on the SBC. The SBC communicates with the rest of the Gammacell Irradiator and voltage shifting for all

计算机控制柜由单板机和输入/输出印刷电路板组成，主要的系统软件就安装在SBC的ROM中。

Methods The irrigator with ozone was designed on the basis of developmental status of ozone technique combining with the technique of modem microchip, integration circuit and module software.

在臭氧相关性质和臭氧技术的发展成果基础上，结合现代微处理器技术和集成电路技术，研制臭氧冲洗仪。

ISD's voice recording circuit chip.

ISD公司的语音芯片录音电路。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。