Labels:bulletin board | crt screen | earth | monitor | reckoner | sky OCR: IS02 CMOS MT8870D /MT8870D-1 Intearated DTMF Receiver Features SSUES larch 1997 Com plete DTMF Receiver Ordering Informa ation Low power MT8870DE DE Pin Plastic DIP Internal gain setting amplifier MT8870DS D Pin SOIC Adiustable quard time MT887 7ODN DN-1 20 Pin SSOP Central office qualit Pover -down mode Inhibit mode Back ward compatible with Description MT8870C/M T8870C The MT8870D MT8870D com plete DTMF Applications receiver integra ating booh the bandsplit filter and Receiver system for British Telecom BTor digita decoder functions The filter section uses CEP Spec MT8870D-1 switched capacitor techniques for high and low Paging system group filters the decoder uses 16 digital DTMF counting tone- Repeater system s/m obile radio pairs techniques into to detect code and External decode all ...
