Title :
Special Requirements and LSIs for Telephone Sets
Author_Institution :
Customer Equipment Division Nippon Telegraph and Telephone Corporation
Abstract :
Various integrated circuits for telephone sets have been developed up to now, and have been contributing to make telephone sets smaller, less expensive, and more convenient.
Keywords :
Batteries; Central office; Circuits; Large scale integration; Propagation losses; Regulators; Speech; Telephone sets; Telephony; Voltage;
Journal_Title :
Consumer Electronics, IEEE Transactions on
DOI :
10.1109/TCE.1987.290287