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參數(shù)資料
| 型號： | U4276B-AFPG3 |
| 英文描述： | FM Multipath Noise Cancellation |
| 中文描述： | 調(diào)頻多徑噪 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 88K |
| 代理商： | U4276B-AFPG3 |
U4276B
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
1 (8)
FM Multipath Noise Cancellation
Description
The U4276B is a bipolar integrated multipath noise cancellation circuit. It is designed for high performance car radio
applications.
Features
Preparation of the fieldstrength signal
Multipath noise cancellation
Mute function controllable by microcomputer
Suitable for analogue as well as digital processing
Only a few external components necessary
Block Diagram
FSIN
MPXIN
AVFS
MPXOUT
95 10619
Buffer
Multipath
detection
Multipath
noise
cancellation
Bandgap
2
1
4
7
6
3
8
5
BFSOUT
V
S
GND
MUTE
Pin Description
Pin
1
2
3
4
5
6
7
8
Symbol
AVFS
FSIN
GND
MPXIN
MPXOUT Multiplex output signal
VS
Supply voltage
BFSOUT
Buffered fieldstrength output
MUTE
External mute input
Function
Average of fieldstrength signal
Fieldstrength input
Ground
Multiplex input signal
1
2
3
4
7
6
5
8
AVFS
FSIN
GND
MPXIN
MPXOUT
VS
BFSOUT
MUTE
95 10632
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