JOURNAL / ISSUES               ISSN 2310-6697 / ISSN-L 2310-6697
 
open transactions on independent scientific-engineering research
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Théorie-Expérimentation-Métrologie-Logiciel-Applications
 

ISSUE 11 - FRIDAY 30 SEPTEMBER 2016 - YEAR 4

 
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11-1
 
# Telecommunications Engineering - Métrologie
 
Measurement Uncertainty in Network Analyzers:
Differential Error Analysis of Error Models
Part 4: Non-Zero Length Through
in Full Two-Port SLOT Calibration
 
N. I. Yannopoulou, P. E. Zimourtopoulos
 
ABSTRACT
 
The most accurate full two-port calibration of a VNA Vector Network Analyzer requires a Direct or Zero-Length Through connection. However, it is not uncommon at all to have one or two cables and a DUT Device Under Test with incompatible connectors, either of different type or of the same type/sex, which enforce then the use of some kind of barrel or adapter. Thus, in this paper, we study these cases of Indirect or Non-Zero Length Through, we estimate the effects of such connections on the measurement uncertainty by using our theory of Differential Error Regions and Intervals DERs/DEIs, and we evaluate our resulting method by applying it in practice to a built two-port network, which was measured against frequency with a SLOT calibrated VNA extended by two lengthy cables.
 
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