LM1863 Datasheet

LM1863 AM Radio System for Electronically Tuned Radios

The LM1863 is a high performance AM radio system intended primarily for electronically tuned radios Important to this application is an on-chip stop detector circuit which allows for a user adjustable signal level threshold and center frequency stop window The IC uses a low phase noise levelcontroll.

Features

Y Y Y Y Y Y Y Y Y Y Low supply current Level-controlled low phase noise local oscillator Buffered local oscillator output Stop circuitry with adjustable stop threshold and adjustable stop window Open collector stop output Excellent THD and stop time performance Large amount of recovered audio RF AGC with open collector output Meter output Compatible with AM stereo Block Diagram DataShee DataSheet4U.com TL H 5185
  – 1 Order Number LM1863M See NS Package Number M20B C1995 National Semiconductor Corporation TL H 5185 RRD-B30M115 Printed in U S A DataSheet4U.com www.DataSheet4U.com Absolu.