Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Patent
1996-12-10
1999-03-09
Ton, My-Trang Nu
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
327 37, 327 3, H03L 500
Patent
active
058806156
ABSTRACT:
A method and an apparatus for detecting differential threshold levels of a differential signal being carried in first and second lines while compensating for baseline wander. In one embodiment, first and second single-ended signals and a common mode signal are generated in response to the first and second lines. First and second peak signals are then generated in response to the first and second single-ended signals and the common mode signal. Finally, first and second threshold signals are generated which are compared with the first and second single-ended signals to generate first and second output signals indicating first and second differential threshold levels.
REFERENCES:
patent: 5341034 (1994-08-01), Matthews
patent: 5488306 (1996-01-01), Bonaccio
"DC Sensing Circuits Added," Electronic Engineering Times, p. 76, May 8, 1995.
T. Vafiades, "Baseline Wander and 100BASE-TX," Mar. 1995.
"Novel Transceiver Feedback Circuit Cures 100-Mbit Technology's Baseline Wander Woes," Electronic Design, p. 39, Jun. 12, 1995.
Intel Corporation
Nu Ton My-Trang
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