CONTENTS

• 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/

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

TASK 6

• 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

TASK 6

• 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

• 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-seventy-

microhenry inductor

TASK 8