驱动电路

The computer separately connects and controls the I/O end and A/D converter; the I/O end connects and controls the X, Y axis driving circuit and the semiconductor laser; the X, Y axis step-by-step driving circuit connects and controls the X, Y step-by-step electrical machines to control the dimensional platform; the beam of the semiconductor laser passes through the focusing drawtube with 0.1mm diameter to form the facula with the diameter less than 0.1mm; the facula irradiates on the detector surface of the XY dimensional displacement platform to produce the corresponding electric signals; the detector surface connects the A/D converter through the amplifier; the electrical signal is amplified and is converted into the data signal by the A/D converter and is sent to the computer for processing.

由计算机分别连接并控制I/O端口和A/D转换器，I/O端口分别连接并控制X、Y轴步进电机驱动电路和半导体激光器，X、Y轴步进电机驱动电路分别连接并控制X、Y轴步进电机，从而控制二维位移平台，半导体激光器的光束经过设有直径0.1mm小孔的聚焦镜筒形成＜0.1mm直径的光斑，光斑照射于设在XY二维位移平台上的探测器表面使其产生响应的电信号，探测器表面经放大器连接A/D转换器，电信号经放大器放大后，由A/D转换器转换为数据信号送计算机处理。

Introducing the LED driver circuit at the same time, and analyzed several common shortcomings of the drive circuit.

在介绍LED驱动电路的同时，又总结分析了几种基本驱动电路的不足。

Negative feedback circuit is the main body of SAW drive circuit which is composed by operation amplifier and feedback network, its function is to realize output impedance matching and electric circuit stable gain.

负反馈放大器是该驱动电路的主要部分，它由运算放大器加上电阻和电容构成的反馈网络组成，其功能是实现输出阻抗匹配以及保证驱动电路增益的稳定性。

The thesis focuses on the circuit design and parameter selection, including the power circuit, control circuit and drive circuit of the front-end converter. Apart from that, for the load-end converter, the design and critical components selection of the traditional full-wave rectification and synchronous rectification are presented.

本文设计和确定电路的各种参数，包括前端变换器的功率电路、控制电路和驱动电路，对于负载变换器则给出了普通全波整流和同步整流的滤波器设计和一些关键器件的选择。

It is very important for lengthening OLED lifetime and design of reasonable pixel driving circuit.

提出了改进的像素驱动电路，改进后的驱动电路占用面积比较小，可以提高显示屏的开口率。

This text explain computer control down case systematic operation principle and hardware software, etc. some designs automatically mainly, Hardware part include choice in one-chip computer among them, to procedure choice of memory, Switch amount interface, photoelectricity segregation and drive of coupling, urge design and design of the control circuit of circuit; Software part tell systematic design of keyboard this mainly.

本文主要阐述了，微机控制自动装箱系统的工作原理和硬件软件等部分的设计方案，其中硬件部分包括了对单片机的选择，对程序存储器的选择，开关量接口，光电耦合的隔离和驱动，驱动电路的设计以及控制电路的设计；软件部分的主要讲述了本系统键盘的设计。

Some designs automatically mainly, Hardware part include choice in one-chip computer among them, to procedure choice of memory, Switch amount interface, photoelectricity segregation and drive of coupling, urge design and design of the control circuit of circuit; Software part tell systematic design of keyboard this mainly.

自动化-本文主要阐述了，微机控制自动装箱系统的工作原理和硬件软件等部分的设计方案，其中硬件部分包括了对单片机的选择，对程序存储器的选择，开关量接口，光电耦合的隔离和驱动，驱动电路的设计以及控制电路的设计；软件部分的主要讲述了本系统键盘的设计。

A integrated gate commutated thyristor gate drive circuit has been designed.

本文首先结合4500V／4000A IGBT驱动电路设计，分忻IGCT基本工作原理和驱动电路工作原理。

The typical structure of traditional drive circuit and the hard drive gate circuit are also given.

给出了传统驱动电路和&硬驱动&门极电路的典型结构。

Based on the comparison between several present schemes controlling DC motor with PWM, a design scheme for drive circuit fit to EPS is presented, in which both low side and high side are N-MOS and high side is either in fully-off or fully-on state while low side is controlled by logic circuit.

在分析电动助力转向系统电机驱动电路性能和可靠性要求的基础上，对比常用的PWM控制直流电机的优缺点，提出了电动助力转向系统驱动电路的设计方案：上、下管均采用N沟道MOS管，上管常通或常闭，下管由PWM逻辑电平控制。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。