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CMX641A Datasheet DUAL SPM/SECURITY DETECTOR/GENERATOR

Manufacturer: CML

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Datasheet Details

Part number CMX641A
Manufacturer CML
File Size 464.26 KB
Description DUAL SPM/SECURITY DETECTOR/GENERATOR
Download CMX641A Download (PDF)

General Description

The CMX641A is a low power, system selectable Dual Subscriber Pulse Metering (SPM) Detector – two detectors on a single chip – to indicate the presence on a telephone line of either 12kHz or 16kHz telephone call charge frequencies.

The detection sensitivity, frequency and bandwidth are indepe

Overview

CMX641A DUAL SPM/SECURITY DETECTOR/GENERATOR D641A/5 January.

Key Features

  • Two (12kHz/16kHz) SPM Detectors.
  • Selectable 12kHz/16kHz ASK Generator.
  • Selectable Tone Follower or Packet Mode 3-State Outputs.
  • Excellent Speech-Band Rejection.
  • Hardwired Control for Non-µC Systems.
  • Selectable Bandwidth Limits and Stable Centre Frequency from a Standard Xtal.

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