Title :
A monolithic data access and line interface chip for modems and PBX trunks
Author :
Snowden, M. ; Falater, S.
Author_Institution :
Harris Semiconductor, Melbourne, FL, USA
Abstract :
A line interface circuit utilizing on-chip RF modulation to isolate capacitively up to 1500V on the line, and electrothermal methods to transfer supervisory information, will be described. The IC was fabricated in a 200V bipolar process.
Keywords :
Capacitors; Coupling circuits; Frequency; Impedance matching; Logic; Modems; Pulse width modulation; Surges; Switches; Voltage;
Conference_Titel :
Solid-State Circuits Conference. Digest of Technical Papers. 1986 IEEE International
Conference_Location :
Anaheim, CA, USA
DOI :
10.1109/ISSCC.1986.1156916
