Special IC's in digital switching - An overview
Abstract
This paper traces the influence of special-purpose integrated and LSI circuits in digital switching systems. The existence of custom digital chips, codecs and filters, and high- and low-voltage analog crosspoint arrays is related to the choice between alternative architectures. Recent trends toward replacing mature components such as transformers by subscriber line interface circuits (SLIC's) are outlined
- Publication:
-
IEEE Journal of Solid-State Circuits
- Pub Date:
- August 1981
- DOI:
- 10.1109/JSSC.1981.1051585
- Bibcode:
- 1981IJSSC..16..247R
- Keywords:
-
- Digital Systems;
- Integrated Circuits;
- Switching Circuits;
- Technology Assessment;
- Voice Communication;
- Analog Circuits;
- Architecture (Computers);
- Chips (Electronics);
- Chips (Memory Devices);
- Communication Networks;
- Digital Filters;
- Electronic Modules;
- Large Scale Integration;
- Logic Circuits;
- Network Synthesis;
- Telephony;
- Electronics and Electrical Engineering