DTMF NTE1690 Search Results

Contextual Info: LINEAR INTEGRATED CIRCUITS NTE1690 16-Lead DIP, See Diag. 248 CMOS, Telephone Dual Tone Multi Frequency Dialer DTMF , VCc = 10.5V Max V qc NTE1691 18-Lead DIP, See Diag. 287 Telephone Pulse Dialer (Vref), V(jC = 6V Max 0 Puise Output Q Tone Output Tone Disable Input

NTE1690

Abstract: crystal 3.579545MHZ datasheet crystal 3.579545MHZ TV NTSC crystal 3.579545MHZ 024c2 dial tone Single-Tone tone Dialer dtmf nte1690
Contextual Info: NTE1690 Integrated Circuit Telephone DTMF Dialer Description: The NTE1690 is a low threshold voltage, field–implanted, metal gate CMOS integrated circuit in a 16–Lead DIP type package. This device interfaces directly to a standard telephone keypad and generates all dual tone multi–frequency pairs required in tone dialing systems. The tone synthesizers