Part number:
CMX641A
Manufacturer:
CML
File Size:
464.26 KB
Description:
Dual spm/security detector/generator.
Datasheet Details
Part number:
CMX641A
Manufacturer:
CML
File Size:
464.26 KB
Description:
Dual spm/security detector/generator.
CMX641A, DUAL SPM/SECURITY DETECTOR/GENERATOR
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 a
CMX641A 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
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