MT8843 circuit equivalent, cmos calling number identification circuit.
* Compatible with British Telecom (BT) SIN227 & SIN242, Cable Television Association (CTA) TW/P&E/312, and Bellcore TR-NWT-000030 & SR-TSV-002476 Ring and line revers.
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FSKen IN+ INGS + -
MODE DCLK DATA DR
Anti-alias Filter
FSK Bandpass Filter
FSK Demodulator.
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