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参数资料
| 型号： | NTE746 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit TV Video IF Amplifier |
| 中文描述： | 集成电路电视视频中频放大器 |
| 文件页数： | 1/2页 |
| 文件大小： | 23K |
| 代理商： | NTE746 |
NTE746
Integrated Circuit
TV Video IF Amplifier
Description:
The NTE746 is a monolithic integrated circuit in an 8–Lead DIP type package with wide–range AGC
for replacement of 1
st
and 2
nd
IF stages in solid–state color and black and white TV sets. It will directly
drive a 3
rd
IF stage.
Features:
Center Frequency: F
O
= 45MHz
Bandwidth: BW = 6MHz
Power Gain: 50dB Min
AGC Range: 60dB Min
Low Reverse–Transfer Admittance: 1
μ
mho Typ
Y
21
Constant to 75MHz
12V Operation, Single–Polarity Power Supply
Total Supply Current: 20mA Typ
Nearly Constant Input and Output Admittance
over the Entire AGC Range
Applications:
TV Video IF
Defense Communications Satellite Programs
Combined AM/FM Radio IF Amplifiers
Linear Switch or Chopper for Multiplex Modulation or Demodulation
Absolute Maximum Ratings:
(T
A
= +25
°
C)
Power Supply, V+
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Supply, V
1
, V
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AGC Supply, V
AGC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Differential Input Voltage, V
in
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate Above 25
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18V
18V
4V < V
AGC
< V+
±
7V
625mW
5mW/
°
C
0
°
to +75
°
C
Electrical Characteristics:
(V+ = 12V, T
A
= +25
°
C unless otherwise specified)
Parameter
Symbol
DC Characteristics
Total Supply Current
Output Stage Current
AGC Supply Voltage
Test Conditions
Min
Typ
Max
Unit
I
S
Pin1, Pin2, and Pin8
–
–
–
–
–
–
20
6.5
5.0
6.9
0.1
0.2
–
–
–
–
–
–
mA
mA
V
V
mA
mA
I
1
+ I
8
V
AGC
0dB Attenuation
60dB Attenuation
0db Attenuation
60dB Attenuation
AGC Supply Current
I
AGC
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