Apparatus and method for canceling DC errors and noise generated by ground shield current in a probe
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United States of America Patent
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Feb 28, 2006
Issued Date -
N/A
app pub date -
Apr 16, 2004
filing date -
Apr 5, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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