Make Quick Work Of Impedance Measurements

Make Quick Work Of Impedance Measurements

Figures 1 and 2 show the results for measurements of two coaxial cables having impedances of 50 and 75 Ù, respectively. Both of the cables are terminated in characteristic impedances of 50 Ù. These measurements are performed with a VNA calibrated in the same impedance as the load applied to the cabl...

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Veröffentlicht in:Microwaves & RF 2011-01, Vol.50 (1), p.94
1. Verfasser: Bagnasco, Alberto
Format: Magazinearticle
Sprache:eng
Schlagworte:
Accuracy
Cables
Calibration
Electric power lines
Microwaves
Test equipment
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Beschreibung
Zusammenfassung:Figures 1 and 2 show the results for measurements of two coaxial cables having impedances of 50 and 75 Ù, respectively. Both of the cables are terminated in characteristic impedances of 50 Ù. These measurements are performed with a VNA calibrated in the same impedance as the load applied to the cable. Typically, the characteristic impedance of the system and the cable is 50 Ù, although in some cases, such as in cable-television (CATV) systems, the characteristic impedance may be 75 Ù.
ISSN:0745-2993
2162-1411