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CMX631A
Low Voltage SPM Detector
D/631A/1 May 1998 Provisional Information
Features and Applications
Detects 12kHz or 16kHz SPM Frequencies Tone Follower and Packet Mode Outputs High Speech-Band Rejection Properties Low Power Operation (2.7V <0.8mA) Call Charge Applications on PABX Line Cards Complex and/or Simple Telephone ...
