LM1863 Datasheet - National Semiconductor

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.

LM1863 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 A

LM1863 Datasheet (348.03 KB)