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CMX980A Datasheet Baseband Processor

Manufacturer: CML

Overview: CMX980A TETRA Baseband Processor D/980A/7 February 2009 1.0.

Datasheet Details

Part number CMX980A
Manufacturer CML
File Size 1.19 MB
Description Baseband Processor
Datasheet CMX980A-CML.pdf

General Description

This device is intended to act as an interface between the analogue and digital sections of a Digital Radio System, and performs many critical and DSP-intensive functions.

The chip is designed with the necessary capability to meet the requirements for use in both mobile and base station applications in Terrestrial Trunked Radio (TETRA) systems, but the architecture is sufficiently flexible to allow use in other systems.

The transmit path comprises all the circuitry required to convert digital data into suitably filtered analogue I and Q signals for subsequent up-conversion and transmission.

Key Features

  • RRC Filters for both Tx and Rx.
  • π/4 DQPSK Modulation.
  • 4 x 10-Bit D-A and 4 Input 10-Bit A-D.
  • Transmit Output Power Control.
  • 2 x 14-Bit Resolution Sigma Delta D-A.
  • Low Power 3.0 - 5.5Volt Operation.
  • 2 x 16-Bit Resolution Sigma Delta A-D.
  • Effective Power down Modes 1.1 Brief.

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