DocumentCode
756664
Title
Integrated DTMF Receiver
Author
Callahan, Michael J., Jr.
Author_Institution
MOSTEK Corp., Carrollton, TX
Volume
27
Issue
2
fYear
1979
fDate
2/1/1979 12:00:00 AM
Firstpage
343
Lastpage
348
Abstract
A single integrated-circuit receiver for telephone systems is described. A new detection algorithm allows for the proper detection of tones with exceptional insensitivity to speech.
Keywords
CMOS integrated circuits; Telephone switching; Active filters; Central office; Cost function; Decoding; Detection algorithms; Frequency; Noise level; Signal detection; Speech; Telephony;
fLanguage
English
Journal_Title
Communications, IEEE Transactions on
Publisher
ieee
ISSN
0090-6778
Type
jour
DOI
10.1109/TCOM.1979.1094411
Filename
1094411
Link To Document