Bài giảng Tiếng Anh chuyên ngành Viễn thông - Unit 2 (part 2): Component values

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Bài giảng Tiếng Anh chuyên ngành Viễn thông - Unit 2 (part 2): Component values. This chapter includes contents: Reading the resistor code, technical reading, diode coding,....

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Nội dung Text: Bài giảng Tiếng Anh chuyên ngành Viễn thông - Unit 2 (part 2): Component values

TASK 1
TASK 2
NOTE • additional /ə'diʃənl/ • refer/ri'fə:/ • prefer/pri'fə:/ • produce/prɔ'dju:s/ • sell/sel/ • resistance /rɪ'zɪstəns/ • exist/ig'zist/ • chaos/'keiɔs/ • cost/ kɒst/ • greatly/´greitli/ • actual/'æktjuəl/ • reach/ri:tʃ/ • equally/'i:kwəli/
NOTE • limit /'limit/ • range/reɪndʒ/ • illogical/i´lɔdʒikl/ • sight/sait/ • stem/stem/ • extreme/iks'tri:m/ • adjacent/ə'dʤeizənt/ • thereby/,ðeə'bai/ • cover/'kʌvə/ • overlap/¸ouvə´læp/ • normally/'nɔ:məli/ • available/ə'veiləbl/ • decade/'dekeid/ • step/step/
TASK 3
TASK 3
TASK 3 • 1. Resistor are coded with coloured bands to ease the problem of marking such small components. • 2. There would be chaos and the costs would be greatly increased. • 3. Between 56,000Ω ± 10%, i.e 50,400 Ω to 61,600 Ω • 4. Because they will sell resistors more cheaply.
NOTE • information/,infə'meinʃn/ • system/'sistəm/ • voltage/'voultidʤ/
NOTE • technical/'teknikl/ • multiplier/´mʌlti¸plaiə/
TASK 4
TASK 4
TASK 5 • identify /ai'dentifai/
TASK 5 • European/,juərə'pi:ən/ • alphanumeric • classify/'klæsifai/ /,ælfənju:'merik/ • employ/em'plɔi/ • seminconductor • letter/'letə/ /¸semikən´dʌktə/ • figure/'figə/ • involve/ɪnˈvɒlv/ • special/'speʃəl/ • significane/sig´nifikəns/
TASK 5 • material/mə´tiəriəl/ • germanium/dʒə:´meiniəm/ • silicon/´silikən/ • gallium arsenide /,gæliəm/ • photodiode/ˈfoʊtoʊˌdaɪoʊd/ • etc (et cetera) /et setərə/
TASK 5 • application /æplɪ'keɪʃn/ • varicap (variable – reactor) = varactor • tunnel /'tʌnl/ • photovoltaic /ˌfoʊtoʊvɒlˈteɪɪk/ • rectifier /´rekti¸faiə/ • varactor /vɛə´ræktə/
TASK 5 • case /keis/ • appear/ə'piə/ • specialize/ˈspɛʃəˌlaɪz/ • denote/di´nout/ • particular/pə´tikjulə/
TASK 5
TASK 5 • statement/'steitmənt/ • define/di'fain/ • relative/'relətiv/ • essential/əˈsɛnʃəl/ • clause/klɔ:z/ • sentence/'sentəns/
TASK 5 • accurate/'ækjurit/ • carry/'kæri/ • expensive/iks'pensiv/ • insessential/¸ini´senʃəl/ • contain/kən'tein/ • separate/'seprət/ • comma/'kɔmə/ • rest/rest/
TASK 5 • explain/iks'plein/