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參數(shù)資料
| 型號(hào)： | LM3089N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 接收器 |
| 英文描述： | LM3089 FM Receiver IF System |
| 中文描述： | FM, AUDIO DEMODULATOR, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 166K |
| 代理商： | LM3089N |
TL/H/7149
L
September 1992
LM3089 FM Receiver IF System
General Description
The LM3089 has been designed to provide all the major
functions required for modern FM IF designs of automotive,
high-fidelity and communications receivers.
Features
Y
Three stage IF amplifier/limiter provides 12
m
V (typ)
b
3 dB limiting sensitivity
Y
Balanced product detector and audio amplifier provide
400 mV (typ) of recovered audio with distortion as low
as 0.1% with proper external coil designs.
Y
Four internal carrier level detectors provide delayed
AGC signal to tuner, IF level meter drive current and in-
terchannel mute control
Y
AFC amplifier provides AFC current for tuner and/or
center tuning meters
Y
Improved operating and temperature performance, es-
pecially when using high Q quadrature coils in narrow
band FM communications receivers
Y
No mute circuit latchup problems
Y
A direct replacement for CA3089E
Connection Diagram
Dual-In-Line Package
TL/H/7149–2
Top View
Order Number LM3089N
See NS Package Number N16E
C
1995 National Semiconductor Corporation
RRD-B30M115/Printed in U. S. A.
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