DocumentCode
2865051
Title
An integrated dual-tone multi-frequency decoder
Author
Callahan, M. ; Davis, Howard
Author_Institution
MOSTEK Corp., Carrollton, TX, USA
Volume
XXI
fYear
1978
fDate
15-17 Feb. 1978
Firstpage
88
Lastpage
89
Abstract
A CMOS IC that performs the previously costly task of decoding all eight standard tone dialing signals will be discussed. Algorithms provide speech rejection, while requiring a minimal number of inexpensive external components.
Keywords
Active filters; Algorithm design and analysis; Band pass filters; CMOS integrated circuits; Decoding; Detection algorithms; Filtering theory; Frequency; Phase locked loops; Speech enhancement;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference. Digest of Technical Papers. 1978 IEEE International
Conference_Location
San Francisco, CA, USA
Type
conf
DOI
10.1109/ISSCC.1978.1155797
Filename
1155797
Link To Document