Circuit for preventing base line wander of digital signals in a

Details Circuit for preventing base line wander of digital signals in a Circuit for preventing base line wander of digital signals in a

1996-01-30

1998-09-22

Chin, Wellington

Pulse or digital communications

Cable systems and components

375258, 333 24R, 333177, H04L 2500

Patent

active

058125973

ABSTRACT:
A receiver for a LAN which uses a transformer for isolation. Base line wander is prevented by use of a positive feedback path which provides a signal that compensates for low frequency loss through the transformer. The feedback path connects the output of the receiver to the secondary winding of the transformer. The time constant of the transformer and terminating resistor L/R equals the RC time constant in the feedback path.

REFERENCES:
patent: 4717896 (1988-01-01), Graham
patent: 4800344 (1989-01-01), Graham
patent: 4823364 (1989-04-01), Herzog
patent: 5149144 (1992-09-01), Sutterlin et al.
patent: 5191300 (1993-03-01), Graham et al.
patent: 5293400 (1994-03-01), Monod et al.

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