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U4276B PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 U4276B
기능 FM Multipath Noise Cancellation
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U4276B 데이터시트, 핀배열, 회로
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U4276B
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
D Preparation of the fieldstrength signal
D Multipath noise cancellation
D Mute function controllable by microcomputer
D Suitable for analogue as well as digital processing
D Only a few external components necessary
Block Diagram
2
FSIN
BFSOUT
7
Buffer
VS
6
Bandgap
3
GND
AVFS
MPXIN
1
4
95 10619
Multipath
detection
Multipath
noise
cancellation
8
MUTE
5
MPXOUT
Pin Description
Pin Symbol
Function
1 AVFS Average of fieldstrength signal
2 FSIN Fieldstrength input
3 GND Ground
4 MPXIN Multiplex input signal
5 MPXOUT Multiplex output signal
6 VS Supply voltage
7 BFSOUT Buffered fieldstrength output
8 MUTE External mute input
AVFS 1
FSIN 2
GND 3
MPXIN 4
8 MUTE
7 BFSOUT
6 VS
5 MPXOUT
95 10632
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
Preliminary Information
1 (8)




U4276B pdf, 반도체, 판매, 대치품
U4276B
Figure 2.
94 8663
In order to achieve best performance, the MNC-circuit
has to be adapted well to the fieldstrength output of the
IF-IC. This can be done by adjustment of the DC-level at
"Pin Mute (R2/R3, see figure 4) in the range of V/2 1 V.
The principle behaviour is shown in figure 3.
Field
strength
tVMute
VS
2
1.17 V
+VMute
VS
2
95 10694
uVMute
VS
2
MNC activation level (AVFS)
30
Figure 3.
RF level (dBm V)
4 (8) TELEFUNKEN Semiconductors
Preliminary Information
Rev. A1, 05-Sep-96

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U4276B 전자부품, 판매, 대치품
Ordering Information
Extended type number
U4276B-AFP
U4276B-AFPG3
SO8 plastic
SO8 plastic
Package
Dimensions in mm
U4276B
Remarks
Taping according to IEC-286-3
94 8862
TELEFUNKEN Semiconductors
Rev. A1, 05-Sep-96
Preliminary Information
7 (8)

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전력 반도체 판매 ( IGBT, TR 모듈, SCR, 다이오드 모듈 )

휴대전화 : 010-3582-2743


상호 : 아이지 인터내셔날

전화번호 : 051-319-2877, [ 홈페이지 ]



링크공유

링크 :

관련 데이터시트

부품번호상세설명 및 기능제조사
U4276B

FM Multipath Noise Cancellation

TEMIC Semiconductors
TEMIC Semiconductors

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