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CMX7158 - Duplex Audio Scrambler

General Description

The CMX7158 is a full-duplex, frequency inversion audio scrambler IC.

This makes it a suitable device for use in multifunction audio systems as well as mobile and hand portable Cellular / Bluetooth / PMR / LMR radio systems.

Key Features

  • Fully independent Tx and Rx paths.
  • Programmable Inversion points.
  • MIC path AGC.
  • VOX detection.
  • DTMF encoder / decoder.
  • Selcall encoder / decoder.
  • Digital Gain Adjustment.
  • C-BUS Serial Interface to Host µController.
  • Bypass mode for HD Audio (up to 7kHz).
  • Clear Mode.
  • TxENA and RxENA outputs.
  • Flexible Powersave Modes.
  • Low-power 3.0 to 3.6V Operation.
  • Small 48-pin Q3 VQFN Package.

📥 Download Datasheet

Datasheet Details

Part number CMX7158
Manufacturer CML Microsystems Plc
File Size 1.72 MB
Description Duplex Audio Scrambler
Datasheet download datasheet CMX7158 Datasheet

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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.

View original datasheet text
CMX7158 Duplex Audio Scrambler D/7158/1 June 2019 Duplex Frequency Inversion Scrambler DATASHEET Provisional Information Features  Fully independent Tx and Rx paths  Programmable Inversion points  MIC path AGC  VOX detection  DTMF encoder / decoder  Selcall encoder / decoder  Digital Gain Adjustment  C-BUS Serial Interface to Host µController  Bypass mode for HD Audio (up to 7kHz)  Clear Mode  TxENA and RxENA outputs  Flexible Powersave Modes  Low-power 3.0 to 3.