Apparatus and method for canceling DC errors and noise...

Details Apparatus and method for canceling DC errors and noise... Apparatus and method for canceling DC errors and noise...

2006-02-28

2006-02-28

Deb, Anjan (Department: 2858)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

C324S072500, C324S601000

Reexamination Certificate

active

07005868

ABSTRACT:
A probe for connecting a device under test to a measurement device that corrects for dc errors and noise generated by the current flowing through the ground shield of a transmission line used by the probe. The probe identifies a voltage drop in the ground preferably using an additional line between the device under test and the measurement device. The signal provided to the measurement device is corrected based on the identified voltage drop.

REFERENCES:
patent: 4542302 (1985-09-01), Griffioen
patent: 6462528 (2002-10-01), Markozen
patent: 6804807 (2004-10-01), Jamneala et al.
patent: 6856129 (2005-02-01), Thomas et al.

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