Method for measurement of optical or electrical signal...

Details Method for measurement of optical or electrical signal... Method for measurement of optical or electrical signal...

2005-11-01

2005-11-01

Lee, John D. (Department: 2874)

Optical communications

Diagnostic testing

Determination of communication parameter

C702S066000

Reexamination Certificate

active

06961520

ABSTRACT:
The present invention relates to a method for measurement of optical rsp. electrical signal sequences and an eye diagram monitor for measurement and display of signal sequences with at least one threshold decision circuit3, at least one storage device4, and an analysis device5.With the eye diagram monitor in accordance with the present invention the generation of an eye diagram1is possible even at very high transmission data rates which is accomplished by at least one counter6, a signal sequence S fed to an input7of the threshold decision circuit3, an adjustable threshold value SW fed to the other input8of the threshold decision circuit3, and the output9of the threshold decision circuit3connected with the input10of counter6.

REFERENCES:
patent: 6433899 (2002-08-01), Anslow et al.
patent: 2002/0060820 (2002-05-01), Buchali
patent: 2003/0101015 (2003-05-01), Douskey et al.
patent: 195 04 896 (1996-08-01), None
patent: 199 14 793 (2000-10-01), None
patent: 1 143 654 (2001-10-01), None

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