U4276B-FP

更新时间： 2024-02-25 15:09:17

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TEMIC		/
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U4276B-FP 数据手册

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.

Mute function controllable by microcomputer

Features

Suitable for analogue as well as digital processing

Only a few external components necessary

Preparation of the fieldstrength signal

Multipath noise cancellation

Block Diagram

BFSOUT

Buffer

Bandgap

FSIN

GND

Multipath

detection

Multipath

noise

cancellation

MPXOUT

AVFS

MPXIN

95 10619

MUTE

Pin Description

Symbol

AVFS

FSIN

Function

MUTE

BFSOUT

AVFS

Average of fieldstrength signal

Fieldstrength input

Ground

FSIN

GND

MPXIN Multiplex input signal

MPXOUT Multiplex output signal

Supply voltage

MPXOUT

MPXIN

BFSOUT Buffered fieldstrength output

MUTE External mute input

95 10632

TELEFUNKEN Semiconductors

1 (8)

Rev. A1, 05-Sep-96

Preliminary Information

12 3 4 5 6 7 8

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