Bài giảng Tiếng Anh chuyên ngành Viễn thông - Unit 1 (part 2): Electronics in the home

CONTENTS
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Reading for a purpose
Understanding diagrams
Describing block diagrams and circuits
Describing diagrams


Understanding diagrams

• diagram /'daiəgræm/
• combine /'kɔmbain/
• information /infə'meinʃn/


TASK 6

• approach /ə'proutʃ/
• focus /'foukəs/
• function /'fʌɳkʃn/


TASK 6

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complicated /'kɔmplikeitid/
basic /'beisik/
connect /kə'nekt/
signal /'signl/
figure /'figə/


TASK 6

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aerial /'eəriəl/
tuner /'tju:nə/
detector /di'tektə/
AF amp = audio frequency amplifier /'ɔ:diəu/
/'fri:kwənsi/ /'æmplifaiə/
• volume /'vɔljum/
• speaker /'spi:kə/


TASK 6

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component /kəm'pounənt/
require/ri'kwaiə/
detector /di'tektə/
separate /'seprit/


TASK 6

• connection /kə'nekʃn/
• value /'vælju:/
• symbol /'simbəl/


TASK 6


TASK 6

• The two types of diagrams shown in the text
are called block diagram and circuit diagram.
• We call it block diagram


TASK 7

• There are 12 circuit symbols in Fig.2.

TASK 7


NOTE
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resistor /ri'zistə/
potentiometer /pə,tenʃi'ɔmitə/
capacitor /kə´pæsitə/
electrolytic /i'lektrou'litik/
variable /'veəriəbl/
inductor /in'dʌktə/
diode /'daioud/
bipolar transistor /bai'poulə/ /træn'sistə/


TASK 7


NOTE
• consist/kən'sist/
• compose/kəm'pouz/

• comprise/kəm'praiz/


TASK 8


TASK 8
1kΩ →a one kilo ohm resistor
5-65pF→ a five-to-sixty-five picofarad capacitor
47kΩ→ a forty-seven kilo ohm resistor
10μF→ a ten microfarad electrolytic capacitor
5kΩ→ a five-kilo ohm potentiometer
470μH→ a four-hundred-and-seventymicrohenry inductor


TASK 8