Title :
A Versatile Subscriber Line Interface Circuit
Author :
Nishimura, K. ; Misaki, K. ; Hayakawa, T. ; Arai, M. ; Hayashi, T. ; Shinozuka, T.
Author_Institution :
NEC Corporation : Kawasaki, Japan.
Abstract :
This paper will describe a bipolar SLIC LSI for telephone switching. The aluminum master slices accommodate central offices as well as PABXs, ie. constant resistance feed and constant current feed. The SLICs are programmable by the external components to meet any of line impedance requirements.
Keywords :
Circuits; Fault detection; Feedback control; Feeds; Impedance; Operational amplifiers; Resistors; Telephony; Voltage; Wire;
Conference_Titel :
Solid-State Circuits Conference, 1983. ESSCIRC '83. Ninth European
Conference_Location :
Lausanne, Switzerland
Print_ISBN :
2-88074-021-5
