Title :
The First Electronic Speech Circuit Opens the Way to the Fully-Electronic Telephone
Author :
Erratico, P. ; Paparo, M. ; Baroncini, F.
Author_Institution :
SGS-ATES Componenti Elettronici SpA Cascina Castelletto
Abstract :
This paper shows how the speech circuit in a conventional carbon microphone may be replaced by a new monolithic integrated circuit, leading to the implementation of a fully electronic set.
Keywords :
Bridge circuits; Communication cables; Impedance; Integrated circuit noise; Microphones; Speech; Telephone sets; Telephony; Transducers; Wire;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.1980.273321
