Title :
A single-chip dual-tone and dial-pulse signaling receiver
Author :
Fleischer, P. ; Saari, V. ; Ta Chien ; Friend, James ; Kraemer, G. ; Yiannoulos, A. ; Griffin, W. ; Post, I.
Author_Institution :
Bell Laboratories, Holmdel, NJ, USA
Abstract :
A fully integrated central office DTMF/dial pulse receiver using switched capacitor filters and digital signal processing techniques, fabricated in double silicon NMOS, will be reported. The 36mm2400mW chip operates from ± 5v supplies.
Keywords :
Band pass filters; Capacitors; Central office; Circuit noise; Circuit simulation; Clocks; Detectors; Frequency; Pulsed power supplies; Testing;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1982 IEEE International
Conference_Location :
San Francisco, CA, USA
DOI :
10.1109/ISSCC.1982.1156411