03科技英语基础知识专业词汇.ppt

1、1,第三讲 词汇,2,1.3词汇,1.Repairing Tools 2.ESD materials 3.Commonly used electronic components 4.Words in textbook,3,Tool description:,Tool Name,Oscilloscope,1.Repairing Tools,Oscilloscope is mainly used to survey the signal of MB devices, such as clock signal, HOST Bus, PCI Bus signal etc. According to t

2、he testing result, we can judge the components function badly or not.,4,Tool description:,Tool Name,Multimeter,1.Repairing Tools,The main function of multimeter is to test the voltage, current and frequency of MB devices, the value of resistance, capacitance and condition of circuit. According to th

3、e testing result, we can judge the function of device and also the state of circuit, open or short circuit.,Multimeter,Mother Board,5,Tool description:,Tool Name,SolderingIron,1.Repairing Tools,Soldering iron is mainly used for patching up MB , it can also be used to replace the devices that functio

4、n badly.,SolderingIron,Mother Board,6,Tool description:,Tool Name,Desoldering Pump,1.Repairing Tools,Desoldering pump is mainly used to suck the surplus tin in the process of drawing socket, connector and package component, thus it will make it easy to change new component.,Desoldering Pump,Solderin

5、g Iron,7,Tool description:,Tool Name,Solder Sucking Wick,1.Repairing Tools,Solder sucking wick is mainly used to suck the surplus tin out of the trace point. For example, in the process of soldering BGA IC, it can be used to eliminate the surplus tin and oxide from BGA pad, thus it can make the ball

6、 and the trace point connect to each other thoroughly.,Solder Sucking Wick,Soldering Iron,8,Tool description:,Tool Name,Flux,1.Repairing Tools,Flux is mainly used for soldering iron, especially in the process of soldering component. It will be helpful to improve the efficiency and quality, and it ca

7、n also make component pad look brighter.,9,Tool description:,Tool Name,Cleanser,1.Repairing Tools,Cleanser can be used to clear away the remained rosin left by soldering. Thus, MB will appear more clean and more clear.,10,Tool description:,Tool Name,Masking Tape,1.Repairing Tools,Masking Tape is mai

8、nly used in the process of soldering IC. It can be used to prevent the spare parts from being wounded by soldering iron, make sure that reparation service is of the high quality.,Masking Tape,Mother Board,11,Tool description:,Tool Name,Automatic screw driver,1.Repairing Tools,Automatic screw driver

9、is mainly used to dismantle and install screw, and its aiguille can be changed into others.,12,Tool description:,Tool Name,Philips Screw Driver,1.Repairing Tools,Philips Screw Driver is mainly used to dismantle and install the type of screw, as the figure shows .,Philips Screw Driver,Philips Screw,1

10、3,Tool description:,Tool Name,Flat Screw Driver,1.Repairing Tools,Flat Screw Driver is mainly used to loosen or lock flat screw, as the figure shows . whats more, it can be used to unlock or lock Notebook CPU.,Flat Screw driver Box,Flat Screw driver,Flat Screw,14,Tool description:,Tool Name,Nut Driv

11、er,1.Repairing Tools,Nut Driver is mainly used to make the nut loosen or lock.,Nut Driver,Nut,15,Tool description:,Tool Name,Tweezer,1.Repairing Tools,Tweezer is mainly used to fix the soldering device during the process of soldering small resistance, capacitance; it will make the soldering device m

12、ore pleasing to the appearance.,Soldering Iron,Capacitance,Tweezer,16,Tool Name,Cutting Pliers,1.Repairing Tools,Tool Name,Long Nose Pliers,17,Tool description:,Tool Name,Jumper wires,1.Repairing Tools,Jumper wires are used while the circuit is open. We can use it connect circuit and make circuit ge

13、t right.,Jumper wires,Jump Dot,18,Tool description:,Tool Name,Utility knife,1.Repairing Tools,Utility knife is used to scrape green paint from circuit while the circuit is open, then we use soldering iron to join the thin copper wire to where the circuit is open, it will make the circuit unblocked.,

14、Utility knife,Open Circuit,19,Tool description:,Tool Name,Brush,1.Repairing Tools,Brush is used together with cleanser; its main function is to brush the remained rosin or filth off MB.,20,Tool description:,Tool Name,Needle,1.Repairing Tools,Needle is used in the process of analyzing circuit. We can

15、 use it to make some IC pin open from trace point so that we can exclude the effect of others component, and provide methods of analyzing problem.,Needle,IC Pin,21,Tool description:,Tool Name,IC Remover,1.Repairing Tools,IC Remover is used to remove IC, as the figure shows.,IC Remover,IC Socket,22,1

16、.3词汇,1.Repairing Tools 2.ESD materials 3.Commonly used electronic components 4.Words in textbook,23,Tool description:,Tool Name,2.ESD,ESD Wrist Straps,ESD Wrist Straps can remove the surplus static electricity of human body to the earth, thus it can prevent MBs function from being destroyed. ESD clo

17、thing can prevent the static electricity of human body from destroying MBs function.,ESD Clothing,ESD Wrist Straps,ElectroStatic Discharge,24,Tool Name,2.ESD,ESD Gloves,ESD Hat,Tool Name,25,Tool description:,Tool Name,2.ESD,ESD Shoes Cover,ESD Shoes Cover is used to prevent the dust from entering wo

18、rkshop and affecting the quality of the MB.,26,1.3词汇,1.Repairing Tools 2.ESD materials 3.Commonly used electronic components 4.Words in textbook,3.Commonly used electronic components,28,1.3词汇,1.Repairing Tools 2.ESD materials 3.Commonly used electronic components 4.Words in textbook,29,（1）普通词汇,one-h

19、alf 或 one half 一半; 1/2 two-third 或 two thirds 2/3,30,（2）专业词汇,electron 电子；neutron 中子；proton质子 diode 二极管； transistor 三极管；Field-Effect Transistor （FET）场效应管； oscillator 振荡器； oscillatory motion 振动 oscilloscope 示波器,31,（2）专业词汇,radio 无线； radio frequency 无线频率；射频 anode 阳极；cathode 阴极； Ohms law 欧姆定律； amplifier

20、放大器； microprocessor 微处理器； impedance 阻抗； electromagnetic wave 电磁波； resonant frequency 共振频率；,32,（2）专业词汇,Phase-Shift Keying 相移键控 ASK ; FSK; PSK; MSK: Minimum-Shift Keying 最小移位键控 GMSK: Gaussian MSK高斯最小移位键控,33,（2）专业词汇,modem 调制解调器； modulator调制器; demodulator解调器 codec 编译器； coder 编码器；decoder 译码器； transceiver

21、收发机； transmitter发射机；receiver 接收机,34,（2）专业词汇,Nyquist rate 奈奎斯特速率； Rayleigh fading 瑞利衰落； serial data 串行数据； parallel data 并行数据 transmission 传送，传输，传播 radio-relay transmission 无线中继传输,35,（2）专业词汇,asynchronous transmission 异步传输； synchronous transmission同步传输 electrical-optical conversion 电光转换；optical- electr

22、ical conversion 光电转换 optical carrier 光载波,36,（2）专业词汇,multi-access 多址接入 CDMA: Code Division Multiple Access FDMA: Frequency DMA TDMA: Time DMA TD-SCDMA: Time Division-Synchronous Code DMA,37,（2）专业词汇,analog modulation 模拟调制； digital modulation 数字调制； frequency spectrum 频谱； power spectrum density 功率谱密度 spectrum allocation 频谱分配；,38,（2）专业词汇,packet switching分组交换；包交换 fixed telephone service 固定电话业务；mobile phone service 移动电话业务 handover 切换； handover algorithms 切换算法 root mean square 均方根；,39,（2）专业词汇,frequency hopped 跳频； multi-path fading 多径衰落； ring network 环型网； bus network 总线型网； gateway 网关,40,（3）缩写词汇,AC: a