CHARAC80 Search Results

IC 358

Abstract: HM9270D HM9270C 9270C HM9270DM MV 3581
Text: HM 9270C/D DTMF RECEIVER General Description The HM 9270C/D is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions. The filter section uses switched capacitor techniques for high- and low-group filters and dial-tone rejection. Digital counting techniques are employed in the decoder to detect and