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參數資料
| 型號： | PC1353 |
| 廠商： | Linear Integrated Systems |
| 英文描述： | TV AUDIO PROCESSING CIRCUIT |
| 中文描述： | 電視音頻處理電路 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 63K |
| 代理商： | PC1353 |
PC1353
LINEAR INTEGRATED CIRCUIT
1
TV AUDIO PROCESSING CIRCUIT
DESCRIPTION
Contek PC1353 is designed for TV SIF signal amplification
and audio power amplification purpose. It includes SIF
amplifier, FM, frequency discriminator, DC volume control,
2.4W power amplifier and voltage regulator.
FEATURES
* Wide operating supply voltage,9V ~ 18V
When VCC=18V,RL=8 W,Output is 2.4W(17"TV)
When VCC=12V,RL=8 W,Output is 1.2W(12"TV)
* Linear volume control
* Low harmonic distortion
* Differential peak detector
* Attenuation circuit for noise suppression(Typical80dB)
DIP-14H
APPLICATION CIRCUIT
6
11
8
9
10
5
7
4
3
14
12
13
1
2
attenuator
IF voltage
regulation
IF amplifier
limiter
Mute
Frequency
discreminator
Power AMP
output
TAB
RB
220 mF
0.01
mF
100
mF
4.7 mF
0.015 mF
IF discreminator
output
IF power
input
Deweighting
Vcc
100 mF
330 mF
47 mF
470pF
22W
100
mF
10pF
0.022
mF
0.1
mF
22kW
VR
5kW
270W
Volume
control
Input
coil
FM
discreminator
coil
Decoupling
Bootstrap
Power for
audio output
Negative
Feedback
Fig 1
Contek
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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