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CMX882 - Baseband Processor

General Description

CMX882, a full-function half-duplex audio and signalling processor IC for FRS and PMR446 type facilities suitable for both complex and simple end-designs.

Key Features

  • Automatic signal type scanning and IRQ on detection of valid Rx signals, level or RSSI.
  • Tone generator for caller recognition tunes.
  • Programmable power down control.
  • Programmable signal detection thresholds.
  • Low Power operation with Zero Power mode.
  • Uncommitted Aux ADC with switchable input to monitor signals.
  • Silent operation by removal of unwanted calls.
  • Voice processing facilities, including Tx and Rx gain setting and.

📥 Download Datasheet

Datasheet Details

Part number CMX882
Manufacturer CML
File Size 1.35 MB
Description Baseband Processor
Datasheet download datasheet CMX882 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CMX882 Baseband Processor for ‘Leisure’ Radios with Data D/882/18 April 2009 Full-Feature Audio-Processing, Signalling and GPS Data for Half Duplex FRS, MURS, PMR446 and GMRS ‘Leisure’ Radios Features • Automatic signal type scanning and IRQ on detection of valid Rx signals, level or RSSI • Tone generator for caller recognition tunes • Programmable power down control • Programmable signal detection thresholds • Low Power operation with Zero Power mode • Uncommitted Aux ADC with switchable input to monitor signals • Silent operation by removal of unwanted calls • Voice processing facilities, including Tx and Rx gain setting and voice/subaudio filtering • C-BUS serial host interface • RF interface allowing 1 or 2 point modulation • Programmable soft limiter • Enhanced CTCSS and 23/24 bit