Method and apparatus for matching an impedance of a driver...

Details Method and apparatus for matching an impedance of a driver... Method and apparatus for matching an impedance of a driver...

2011-06-14

2011-06-14

Tan, Vibol (Department: 2819)

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Bus or line termination

C326S086000, C327S108000

Reexamination Certificate

active

07961002

ABSTRACT:
In accordance with the invention, a method, system and apparatus are presented that matches the output impedance of a driver to the impedance of a transmission line. A method for matching the impedance between a driver and a transmission line, wherein the transmission line is between the driver and a load can include transmitting a first pulse from the driver to the load through the transmission line, wherein a first reflection from the transmitted first pulse occurs after a first time, measuring a second reflection from the transmitted first pulse after a second time, and adjusting the calibration of the driver in response to the measured second reflection.

REFERENCES:
patent: 5455523 (1995-10-01), Wallace et al.

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