Transmit line buildout circuits

Details Transmit line buildout circuits Transmit line buildout circuits

1987-07-27

1989-06-06

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

379 93, 379400, H03H 730, H03K 559

Patent

active

048377805

ABSTRACT:
A characteristic of a signal received via a receive line is monitored and used for automatic control of a line buildout circuit in a transmit signal path. The characteristic is conveniently an amplitude level, or differential amplitude levels for different signal bandwidths, of the received signal. The transmit line buildout circuit includes a transversal filter in which multiplier coefficients or delay times are controlled. The arrangement is particularly useful for digital signal interfaces on a digital cross connect.

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patent: 4413240 (1983-11-01), Dyke
patent: 4592068 (1986-05-01), Jessop et al.
patent: 4605826 (1986-08-01), Kanemasa
patent: 4700357 (1987-10-01), Ast

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