Data transmitter baseline wander correction circuit

Details Data transmitter baseline wander correction circuit Data transmitter baseline wander correction circuit

1994-04-08

1995-11-07

Tse, Young

Pulse or digital communications

Transmitters

375258, H04L 2704

Patent

active

054652723

ABSTRACT:
In a terminal coupled to a computer network, a circuit for compensating for the baseline wander of received digital signals. The terminal is AC coupled to the computer network by a coupling transformer. The received digital signal is summed with a correction signal. The resulting summed signal is input to a comparator. This comparator compares the summed signal to a predetermined baseline level. Thus, the output signal from the comparator is fixed at the baseline level. The correction signal is the difference between the summed signal and the output signal from the comparator. The correction signal is filtered and amplified before being fed back to the comparator.

REFERENCES:
patent: 4186384 (1980-01-01), Acker
patent: 4742470 (1988-05-01), Juengel
patent: 5293400 (1994-03-01), Monod et al.

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