Datasheet Summary
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LM1868 AM FM Radio System
February 1995
LM1868 AM FM Radio System
General Description
The bination of the LM1868 and an FM tuner will provide 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
DC selection of AM FM mode Regulated supply Audio amplifier bandwidth decreased in AM mode reducing amplifier noise in the AM band AM converter AGC for excellent overload characteristics Low current internal AM detector for low tweet radiation
Block Diagram
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