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LM1868

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LM1868 数据手册

February 1995

LM1868 AM/FM Radio System

General Description

Features

DC selection of AM/FM mode

The combination of the LM1868 and an FM tuner will pro-

vide all the necessary functions for a 0.5 watt AM/FM radio.

Included in the LM 1868 are the audio power amplifier, FM

IF and detector, and the AM converter, IF, and detector.

The device is suitable for both line operated and 9V battery

Regulated supply

Audio amplifier bandwidth decreased in AM mode,

reducing amplifier noise in the AM band

AM converter AGC for excellent overload

characteristics

applications.

Low current internal AM detector for low tweet radiation

Block Diagram

TL/H/7909–1

Order Number LM1868N

See NS Package Number N20A

Note: See table for coil data

1995 National Semiconductor Corporation

TL/H/7909

RRD-B30M115/Printed in U. S. A.

12 3 4 5 6 7...10

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型号	品牌	获取价格	描述	数据表
LM1868N	NSC	获取价格	Radio System
LM1868N/A+	ETC	获取价格	AM/FM Receiver Circuit
LM1868N/B+	ETC	获取价格	AM/FM Receiver Circuit
LM1870	NSC	获取价格	STEREO DEMODULATOR WITH BLEND
LM1870M	ETC	获取价格	FM Receiver Circuit
LM1870N	ETC	获取价格	FM Receiver Circuit
LM1870N/A+	ETC	获取价格	FM Receiver Circuit
LM1870N/B+	ETC	获取价格	FM Receiver Circuit
LM1871	NSC	获取价格	RC Encoder/Transmitter
LM1871N	NSC	获取价格	RC Encoder/Transmitter