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参数资料
| 型号： | NTE1801 |
| 厂商： | NTE Electronics, Inc. |
| 英文描述： | Integrated Circuit TV dbx Noise Reduction System |
| 中文描述： | 集成电路电视dbx的降噪系统 |
| 文件页数： | 1/3页 |
| 文件大小： | 22K |
| 代理商： | NTE1801 |
NTE1801
Integrated Circuit
TV dbx Noise Reduction System
Description:
The NTE1801 Multiplexed Sound dbx Noise Reduction Decoder is a single–chip linear IC in a
28–Lead DIP type package suitable for US NTSC System use. The device incorporates two RMS–
level sensors and VCA circuits, as well as five operational amplifiers and two buffer circuits.
A complete multiplexed sound system for US NTSC System television sets can be built by interfacing
the NTE1801 with the NTE1800 Multiplexed Sound Decoder.
Features:
Low Distortion Ratio, Low Interference
Low Power Supply Current
Single, 8V to 15V Power Supply
100mV
rms
(300Hz, 0dB) Input Voltage (Pin4)
Easily Interfaced to the NTE1800
Functions:
On–Chip dbx Noise Reduction Decoder and VCA Circuits
On–Chip RMS Level Sensor
L + R Signal Buffer Amplifier
Absolute Maximum Ratings:
(T
A
= +25
°
C unless otherwise specified)
Supply Voltage, V
CC
max
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation (T
A
= +75
°
C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15V
580mW
–20
°
to +75
°
C
–40
°
to +125
°
C
Recommended Operating Conditions:
(T
A
= +25
°
C unless otherwise specified)
Parameter
Symbol
Power Supply Voltage
V
CC
Input Signal Voltage
V
IN
Amp 1 Gain
AV1
Amp 2 Gain
AV2
Test Conditions
Min
Typ
Max
Unit
8.0
12.0
13.5
V
f = 300Hz, Pin4
–
100
–
mV
rms
dB
0
10.3
30.0
0
–
20
dB
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