电路

First introduction whole wave commutate electric circuit ofwork principle, immediately after introduction the electriccapacity filter the function characteristics of an electriccircuit, and in the electric circuit adoption exaltation stability,exaltation temperature stability and limit flow a type over flowprotection electric circuit of concrete measure with insure anelectric circuit safety stability of work.

首先介绍了全波整流电路的工作原理，接着介绍了电容滤波电路的性能特点，然后引入了具有放大环节和辅助电源的串联可调式稳压电源，并在电路中采用了提高稳定度，提高温度稳定性及限流型过流保护电路的具体措施，以确保电路安全稳定的工作。

The hot water feedway concludes sub control, keyboard circuit, display circuit, control driven circuit, signal amplifier, shaping circuit, A/D translation circuit, current switch S, temperature sensor W1, temperature sensor W2, temperature sensor W3, water-level sensor H1, electric control valve Y1, electric tee control valve Y2, electric control valve Y3, pump M and heater band.

本发明涉及一种电水箱，特别涉及一种不浪费热水管中存留的冷水直接为用户提供热水的电水箱热水直供装置，它包括微控制器、键盘电路、显示电路、控制驱动电路、信号放大、整形电路、A/D转换电路、水流开关S、温度传感器W1、温度传感器W2、温度传感器W3、水位传感器H1、电控阀Y1、三通电控阀Y2、电控阀Y3、水泵M和加热带。

To take a contrast,separately introduced several kind of filter circuits,and gave a separately analysis to ripple ratio which used in the commutated circuit and the filter circuit.

作者主要讨论了整流电路和滤波电路的基本工作原理，分别介绍了几种基本的滤波电路以用来作为对比分析，对整流电路和滤波电路的参数脉动系数分别进行了具体的分析。

The design of hardware include design of RF ReadAVrite module, design of MCU circuit, design of serial communication circuit, design of RF power amplifier, design of RF signal processing circuit and antenna design.

根据项目参数要求，在硬件方面，进行了射频读写模块电路设计、微控制单元电路设计(微控制器选用W78E58B)、串行通信电路设计、射频输出功放电路设计、射频输入信号处理电路设计和天线设计。

According to the auto brake tester, it has been designed that the hardware circuit of the testing system based on 89C55 single-chip microcomputer, including A/D circuits for sensor interfaces, D/A circuits for needle indicating type display device, driving circuits for brake motors, the communication interface circuitbetween the single-chip microcomputer and pc, etc.

针对所研究的汽车制动试验台，设计了基于89C55单片机的试验台测控系统硬件电路，包括传感器接口与A／D转换电路、指针式显示装置的D／A转换电路、制动电机驱动电路、单片机与PC机之间通讯的接口电路等。

The number of the frequency division of the method and the circuit structure thereof do not influence the highest frequency of the working circuit. The normal work of the frequency division circuit can be at a comparatively high clock frequency, and the clock frequency division can be realized in the manner of cascade connection of the frequency division circuit so that the scale of the circuit realization can be properly reduced.

本发明所述方法及其电路结构的分频数大小不影响电路工作的最高频率，可以使分频电路正常的工作在相对很高的时钟频率，而且可以通过分频电路级联的方式实现时钟分频，从而可以适当减小电路实现的规模。

The paper introduces the studies and the development of an intellective soilless culture system on mixing and irrigating. The system is closed-circuited and its main controlling parameters are consistence value and acidity value of the nutrient liquid.

本论文研究内容是智能温室营养液配液及供液控制系统的研究与开发，该控制系统是以养液浓度和酸度为主要调控参数的闭环控制系统，主要包括开关量输入/输出电路、模拟量输入电路、液晶电路、键盘显示接口电路、设备驱动电路和执行机构等。

Voltage Source and Current Source, Thevenin Theory, Trouble Shooting, Characteristic Curve of Diode, Diode Models, Rectifier Circuits, Input Filtering Capacitor, Voltage Multiplier Circuits, Limiter and Clipper Circuits, DC Clampers and Peak-to-peak Detectors, Zener Diode, Zener Diode Rectifier, Photoelectric Devices, Collector-Emitter Junction, Transistor Characteristics of common-emitter, Base Bias, LED Dirver, Establishing a Stable Q-point, PNP Transistor Biasing, Transistor Biasing, Coupling and By-Pass Capacitors, AC Emitter Resistance, Common-Emitter Amplifier, Other Common-Emitter Amplifiers, Cascaded Common-Emitter Amplifiers, AC Load Line, Emitter Follower, Class B Push-pull Amplifiers, JFET Characteristic Curve, JFET Biasing, JFET Amplifier, VMOS Circuit, Differential Amplifier, Operational Amplifier, Non-inverting Feedback, Negative Feedback.

电子学实验( S0704)(1，1)/应用电子学实验( S0472)(1，1)电压源和电流源、戴维宁定理、故障排除、二极体特性曲线、二极体近似模型、整流电路、电容-输入型滤波器、倍压电路、限制器电路和峰值检测电路、直流定位器与峰对峰检测器、齐纳二极体、齐纳二极体整流器、光电元件、集射极接面、集极特性曲线、基极偏压、LED驱动器、建立一个稳定的工作点 Q 、 PNP 电晶体偏压、电晶体偏压、耦合及旁路电容、交流射极电阻、共射极放大器、其他 CE 放大器、串接共射极放大器、交流负载线、射极随耦器、 B 类推挽式放大器、 JFET 特性曲线、 JFET 偏压、 JFET 放大器、 VMOS 电路、差动放大器、运算放大器、非反向电压回授、负回授。

The powering method of 1-Wire technique temperature sensor is expounded, Using 1-Wire technique temperature sensor, real time circuit, keyboard and display circuit, serial storage circuit, RS485 communication cir- cuit and watch-dog circuit make up of the hardware for fire alarm system.

利用1-Wire总线技术使用多个数字温度传感器，实时时钟电路，键盘显示电路，串行存储器电路，RS485通信电路以及看门狗电路等，组成了火灾报警系统硬件系统。

Wire structure from the main wire feeder circuit, driver circuit, wire feed motor control circuit, the linear processing circuit and the brake circuit.

送丝结构由送丝主电路、驱动电路、送丝电机控制电路、线性处理电路和制动电路组成。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了