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PDF LM1868 Data sheet ( Hoja de datos )
| Número de pieza | LM1868 | |
| Descripción | Radio System | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM1868 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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February 1995
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
Features
Y DC selection of AM FM mode
Y Regulated supply
Y Audio amplifier bandwidth decreased in AM mode
reducing amplifier noise in the AM band
Y AM converter AGC for excellent overload
characteristics
Y Low current internal AM detector for low tweet radiation
Block Diagram
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DataShee
Note See table for coil data
C1995 National Semiconductor Corporation TL H 7909
Order Number LM1868N
See NS Package Number N20A
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TL H 7909 – 1
RRD-B30M115 Printed in U S A
1 page  
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PC Board Layout
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Component Side
Typical Performance Characteristics Typical Application
All curves are measured at audio output
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TL H 7909 – 6
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TL H 7909 – 7
TL H 7909 – 8
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5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet LM1868.PDF ] | |
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