ĐIỆN tử VIỄN THÔNG nhóm 3 khotailieu

Member: Lê Đình Anh, Bùi Xuân Chinh, Nguyễn Gia Đ ạt, Ph ạm Minh Đ ạt, Nguy ễn
Trường Giang, Trần Chí Hiếu, Ngô Hải Long.

Electronics in the home
Task1:
+ electronics timers : alarm clocks, water heaters, electric cooker
+ control many household items: automatic washing machine, dishwasher,central
heating system, sewing machine, food processor
+ entertainment devices : video recorder, CD player,computer, Playstation, Xbox360....
Task 2:
+IC : Integrated Circuit
+CD : Compact Disc
+Hi-fi : High Fidelity
Task 3:
Item mentioned in the list:
1.Radio
2.Televison
3.Record player
4.Tape recorder
5.Transistor
6.Hi-fi
7.Portable radio.
8.Microelectronic
9.IC
10.LED
11.Washing-machine


12.Diswasher
13.Cental heating system
14.Sewing machine

15.Food processor
16.Digital alarm clock
17.Water heater
18.Electric cooker
19.Microwave oven
20.Telephone use electronic
21.Video recorder
22.CD player
23.Multimedia entertainment system
24.Computer controlled robot
Task 4:
Date
Early 20th century

Invention
Vacuum tube

1947

Transistor

1958

IC on silicon ships

Future

Mutimedia entertainment
systems
Computer-controlled

Applications in the home
Radio
Followed by television
Record players
Tape recorders
Hi-fi units
Portable radios
Automatic washing
machines
Dishwashers
Central heating systems
Sewing machines
Food processors
Alarm clocks
Water heaters
Electric cookers
Automatic dialing
Answer phone facilities
Video recorders
CD players


robots
Task 5:
There will have a device generates an infinity power source There will be a robot
have people do all the chore and help disable people There will have a 5D printer A
device help people travel in virtual world.
Task 6:
1.

2.

Circuit diagram and block diagram
Signal

Task 7:
D1: Diode
Q1: transistor NPN
Q2: transistor PNP
Task 8:
R2: a one-kilohm resistor
C1: a five-to-sixty-five-picofarad variable capacitor
R3: a fourty-seven-kilohm resistor
C3: a ten-microfarad electrolyte capacitor
P1: a five-kilohm rheostat
L1: a four-hundred-and-seventy-microhenry inductor

Task 9:
Is composed of :
1.
2.
3.
4.
5.
6.

Microhenries
Variable
Variable capacitor
Picofarads

Connected
Supply

Task 11:
1. Consists


2.
3.
4.
5.
6.
7.
8.

Mudulator
Oscillator
Carrier
Amplifier
Signal
Power
Aerial

Vocabulary:
+ capatitor: tụ điên
+ resistor: điện trở
+rheostat: biến trở
+electrolyte capacitor: tụ giải
+circuit: mạch điện
+funetion: chức năng

+approach: tiếp cận
+circuit diagram: sơ đồ mạch điện
+block diagram:
+device: thiết bị
+vacuum tube: ống chân không
+inductor: cuộn cảm