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Measurement and fabrication uncertainties in high-directivity microstrip couplers
Publikationstyp
Conference Paper
Date Issued
2012-10
Sprache
English
Author(s)
Institut
TORE-URI
Start Page
479
End Page
482
Article Number
6459184
Citation
European Microwave Conference (EuMC 2012)
Contribution to Conference
Publisher DOI
Scopus ID
The significance of experimental results obtained with couplers designed for high directivity is addressed. Two aspects are considered. First, the effect of calibration errors on the coupler directivity is investigated and the related accuracy limits are formulated on a statistical basis. Second, the directivity degradation due to fabrication tolerances is predicted by simulation and verified experimentally. This allows to relate measurement results to theoretical expectations and to draw some more general conclusions on the relative importance of these two effects.