| Part number | LM1863, LM1 |
|---|---|
| Manufacturer | National Semiconductor |
| File Size | 348.03 KB |
| Description | AM Radio System for Electronically Tuned Radios |
| Datasheet |
 LM1-863M.pdf
|
| Note |
This datasheet PDF includes multiple part numbers: LM1863, LM1. Please refer to the document for exact specifications by model. |
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 levelcontrolled local oscillator Low phase noise is important for AM stereo which detects phase noise as noise in the L-R channel A buffered output for the local oscillator allows the IC to directly drive a phase
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