FX631 detector equivalent, low-voltage spm detector.
Detects 12kHz and 16kHz SPM Frequencies
Low Power (3.0 VoltMIN <1.0mA) Operation
High Speechband Rejection Properties
Publication D/631/8 July 1998
Tone-Follower and Pac.
Complex and/or Simple Telephone Systems Call-Charge/-Logging Systems
XTAL/CLOCK
XTAL/CLOCK OSCILLATOR
XTAL
CLOCK OUT
.
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