CMX631A detector equivalent, low voltage spm detector.
and Applications
* Detects 12kHz or 16kHz SPM Frequencies
* Tone Follower and Packet Mode Outputs
* High Speech-Band Rejection Properties
* Low Power Oper.
* Detects 12kHz or 16kHz SPM Frequencies
* Tone Follower and Packet Mode Outputs
* High Speech-Band Rejectio.
The CMX631A is a low-power, system-selectable Subscriber Pulse Metering (SPM) detector that indicates the presence of either 12kHz or 16kHz telephone call-charge frequencies on a telephone line. Deriving its input directly from the telephone line, in.
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