Title :
A monolithic dual-tone multifrequency receiver
Author :
White, Bruce ; Jacobs, Georg ; Landsburg, G.
Author_Institution :
Silicon Systems, Inc., Irvine, CA, USA
Abstract :
A complete DTMF receiver using a single CMOS metal gate IC will be covered. Analog switched-capacitor band-reject and bandpass filters have been employed to bandsplit and detect valid tone pairs.
Keywords :
Band pass filters; Decoding; Detectors; Filtering theory; Frequency; Silicon; Speech; Switched capacitor circuits; Switching circuits; Telephony;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1979 IEEE International
Conference_Location :
Philadelphia, PA, USA
DOI :
10.1109/ISSCC.1979.1155917
