Signal level compensation in an in-line data communication syste

Details Signal level compensation in an in-line data communication syste Signal level compensation in an in-line data communication syste

1983-07-26

1986-11-04

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

370 26, 379344, H04B 300

Patent

active

046213678

ABSTRACT:
An in-line data communication system includes a bidirectional communication cable for connecting at least two terminal stations. A signal level compensation circuit is connected to the bidirectional communication cable for compensating for signal attenuation in the bidirectional communication cable. The signal level compensation circuit includes first and second amplifying circuits connected to each other in a parallel fashion. When a data signal is transmitted in one direction in the bidirectional communication cable, the first amplifying circuit is enabled and the second amplifying circuit is disabled. When the data signal is transmitted in the opposing direction, the first amplifying circuit is disabled and the second amplifying circuit is enabled.

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