【文章內(nèi)容簡介】
1)analog multimeter模擬萬用表2)extended range擴展范圍3)specific meters特殊儀表4) include the function and range switches具有功能及范圍選擇旋鈕5) present an electronic picture呈現(xiàn)一幅電子圖像6) display the voltage waveform顯示電壓波形7) appear on the screen在屏幕上出現(xiàn)8) phase relationship相位關(guān)系9) as an example例如,作為一個例子10) in series with the circuit串聯(lián)接入電路1) PN junction PN結(jié)2) anode陽極(正極)3) external resistance外阻4) bipolar transistor三極管5) a small current controls a large current一個小電流控制一個大電流6) base current基極電流7) enhancement MOS transistors增強型MOS管8) PchannelP溝道9) integrated circuits集成電路10) electron and hole電子和空穴1) semiconductor material半導(dǎo)體材料2) forward biased正向偏置3) depend on the external circuit resistance取決于外部電路的電阻4) excessive reversebiased voltage過高的反偏電壓5) is directly proportional to the amount of base 6) may even appear almost as a short幾乎可看成是短路7) cause stability problems for a transistor circuit.引起晶體管電路的穩(wěn)定性(不好)問題8) digital technology數(shù)字技術(shù)9) the most popular technology最普遍的技術(shù),最常用的技術(shù)10) use two plementary types of transistors Nchannel and Pchannel用兩種互補型的晶體管N溝道(MOS管)和P溝道(MOS管)1) electronic power supply 或 steady DC Voltage source穩(wěn)壓電源2) bridge rectifier橋式整流器3) pulsating DC 脈沖直流電4) anode of diode二極管的正極5) peak voltage峰值電壓6) capacitor filter電容濾波器7) charge and discharge充電和放電8) zener diode穩(wěn)壓管9) IEEE (Institute of Electrical and Electronics Engineers)電氣電子工程師學(xué)會10) technical professional association專業(yè)技術(shù)組織1) equipment operation設(shè)備的運行2) device that converts AC into DC把交流電轉(zhuǎn)換成直流電的器件(設(shè)備)3) the power lines電源線4) depending on the value of DC voltage needed根據(jù)(取決于)所需要的直流電壓值5) a halfwave rectifier半波整流器6) so as to produce a constant DC output從而產(chǎn)生一個穩(wěn)定的直流輸出7) in the negative side of the capacitor在電容的負極8) flow through the load流過負載9) in the forwardbiased condition在加正向偏置(電壓)的條件下10) a series ( currentlimiting) resistor一個串聯(lián)(限制電流)電阻1) Kirchhoff’s Voltage Law基爾霍夫電壓定律2) voltage sources電壓源3) the law of conservation of electric charge電荷守恒定律4) at every instant of time在每一瞬時5) voltages across elements元件兩端的電壓6) radio transmission無線電傳輸7) frequency modulation調(diào)頻信號8) the frequency domain頻域9) linear resistor線性電阻10) amplitude modulation wave調(diào)幅波形