驱动电路

In this paper,first,we analyse and design the main circuits of the power supply,and we explain how to use the three-phase spwm wave generator SA4828,and then we also explain the IGBT drive module EXB841,after that,we discuss the IGBT buffer circuit and the protective circuits of the system.finally,we discuss the process of the software design.

在本文中，我们首先对电源主电路进行分析与设计，然后对SA4828三相SPWM波发生器的使用和编程进行了介绍，还对IGBT驱动模块EXB841进行了介绍，另外，我们还讨论了IGBT管的缓冲电路和系统的保护电路，同时分析了系统的软件设计过程。

The characteristic of the method is that driving condition and clock pulse for flip-flops are obtained at first hand by means of the state transitio n drawingand that designing asynchronous sequential cir-cuits and synchr onous sequential circuits can be unified.

时序逻辑电路可分为同步和异步，然而采用传统的时序电路的设计方法时，即使是同步时序电路的设计也需要7步[3]，要进行复杂的计算来求状态方程、驱动方程，既繁琐又容易出错；对异步设计就更为复杂了。

A novel circuit with a narrow pulse driving structure is proposed for enhancing the noise immunity and improving the performance of wide fan-in dynamic circuits.

提出了一种利用窄脉冲发生器驱动输出级，以提高电路抗噪声能力，同时保持动态电路的高速特性的多输入动态逻辑电路。

Base on the principle, the main circuit and control circuit of 2-phase hybrid stepping motor systems are designed. The system can realize many functions such as fix-frequency pulse width modulation, current sampling, power magnifying, ring distribution, producing control signal, and so on.

完成了对二相混合式步进电动机微步驱动系统主电路及控制电路的具体设计，实现了恒频斩波、信号检测、环形分配、微步信号的产生等功能，并搭制了实验电路进行实验验证。

This paper gives a detailed analysis of the amplifying harmonic power devices, including the topological graph of the main circuit, the choice of parametrics, the design of the drive and protection circuit with its notice, the design of the control circuit, etc.

介绍了其工作原理，并对谐波功率放大装置做了重点研究，包括主电路的拓扑图设计及元器件参数选择，驱动和保护电路的设计和注意事项，以及控制电路设计等，并对整个谐波抑制装置的性能特点做了总结。

The added noise and dithering ring control circuit for the Phase Lock Loop are analyzed by simulations based on Multisim.

通过Multisim软件对加入噪声以及锁相器的抖动环控制电路进行仿真分析，仿真结果得到了改进电路后抖动电路的驱动信号。

Afterwards, we put forward a system solution for speed-control of blushless DC motor in this paper. Its hardware is based on SST89E554RC, and it drives the motor through a PWM circuit which is high-performance and low-cost.

本文设计了无刷直流电机的调速系统的整体方案，设计制作了以SST89E554RC为核心的硬件控制电路，该电路通过一个高性能、低成本的PWM脉冲形成电路，对电机进行驱动控制。

There is a emending circuit for GAMMA in internal circuit of LCD TV , the circuit has the function of looking for data.

液晶电视内部电路的红绿蓝三色的驱动电压经过一个GAMMA校正电路，这一电路具有查表功能。

Based on the hardware combination between LPC2136 with ARM kernel and CPLD,six-phase driving signal is generated to drive steering and control three servo executers of cruise munition.

采用ARM内核LPC 2136和CPLD的硬件组合方式，产生驱动舵机电机所需的六相驱动信号，通过光耦隔离和功率放大电路驱动，能够同时控制巡飞弹的3片舵机执行器。

A novel scheme of designing the LD driver based on field programmable gate array is proposed. Employing FPGA as the controlling center, all the functional modules of the LD driver, including AD/DA converting, temperature PID controlling, invariably current driving, LD protection, input and output circuit, are arranged to operate together harmoniously under FPGA.

提出了一种新型的基于现场可编程门阵列技术的半导体激光器驱动电源设计方案，该方案以 FPGA 为控制核心， LD 驱动电源的 AD/DA 转换、温度 PID 控制、恒定电流驱动、LD 保护及人机交互等功能模块电路均在 FPGA 的控制下协调工作。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。