Differential Error Analysis of Error Models
Part 4: Non-Zero Length Through
in Full Two-Port SLOT Calibration
| JOURNAL / ISSUES ISSN 2310-6697 / ISSN-L 2310-6697 |
| open transactions on independent scientific-engineering research |
| FUNKTECHNIKPLUS # JOURNAL |
| 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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