All digital LSI line circuit for analog lines

Details All digital LSI line circuit for analog lines All digital LSI line circuit for analog lines

1980-10-23

1983-04-26

Brigance, Gerald L.

Multiplex communications

Wide area network

Packet switching

375 14, 179170NC, H04B 158

Patent

active

043815618

ABSTRACT:
A digital telecommunication line circuit implementable on one or more large scale integrated circuit (LSI) chips is described. A simplified integrated hardware structure is provided so as to achieve the combination on an LSI chip of an electronic two-to-four wire hybrid, line impedance matching by automatic digital impedance synthesizing of an output impedance and all digital filtering functions for an all LSI telephone line circuit including automatic equalizing.

REFERENCES:
patent: 4174470 (1979-11-01), Seidel
patent: 4196405 (1980-04-01), Le Dily et al.
patent: 4273963 (1981-06-01), Seidel
patent: 4320498 (1982-03-01), Justice

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