Dtmf
 
 
Fabricants Emetteur Recepteur
TDK
http://www.tsc.tdk.com/fc_products_analog.html
75T2089
75T2090
75T2091
75T202
75T203
MOTOROLA
http://www.mot-sps.com/solutions/wired/components/145436.html
- MC145436A
HARRIS
http://wwwnt.semi.harris.com/families/telecom.htm
CD22859
obsolète
CD22202
CD22203
CD22204
MITEL
http://www.mitelsemi.com/products/
MT8880C
MT8888C
MT8889C
MT8870D
NATIONAL SEMICONDUCTOR
http://www.nsc.com/pf/TP/TP5089.html
TP5088
obsolète
TP5089
obsolète
-

liens:

http://www.geocities.com/SiliconValley/Lakes/3529/dtmf_sit.htm

http://www.bobblick.com/bob/stamp/tonedec/index.html

http://www.supelec-rennes.fr/ren/rd/etscm/base/docs/ssi202.htm
 


 

Dernières modifications: le 01 mai 1999.