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LM3820

Part Number	LM3820
Manufacturer	National Semiconductor
Description	AM RADIO SYSTEM
Published	Oct 25, 2005
Detailed Description	LM3820 AM Radio System February 1989 LM3820 AM Radio System General Description The LM3820 is a 3-stage AM radio IC c...
Datasheet	LM3820 PDF File

Overview

LM3820 AM Radio System February 1989 LM3820 AM Radio System General Description The LM3820 is a 3-stage AM radio IC consisting of an RF amplifier oscillator mixer IF amplifier AGC detector and zener regulator The device was originally designed for use in slug-tuned auto radio applications but is also suitable for capacitortuned portable radios The LM3820 is an improved replacement for the LM1820 Features Y Input protection diodes Y Good control on sensitivity Y Improved S N and tweet Y Versatile building-block approach Y Gain-controlled RF stage Y Cascode IF amplifier Y Regulated supply Y Pin compatible with LM1820 Connection Diagram Dual-In-Line Package Circuit Schematic Order Numbe...

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