LM1868 National Semiconductor, LM1868 Datasheet

LM1868

Manufacturer Part Number

LM1868

Description

Radio System

Manufacturer

National Semiconductor

Datasheet

1.LM1868.pdf (10 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

LM1868N

Manufacturer:

NS/国半

Quantity:

20 000

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DataSheet4U.com

www.DataSheet4U.com

C 1995 National Semiconductor Corporation

LM1868 AM FM Radio System

General Description

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

applications

Block Diagram

Note See table for coil data

TL H 7909

See NS Package Number N20A

Order Number LM1868N

DataSheet4U.com

Features

reducing amplifier noise in the AM band

characteristics

DC selection of AM FM mode

Regulated supply

Audio amplifier bandwidth decreased in AM mode

AM converter AGC for excellent overload

Low current internal AM detector for low tweet radiation

RRD-B30M115 Printed in U S A

February 1995

TL H 7909 – 1

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