Advances in Radio Science
www.adv-radio-sci.net
1684-9965
1684-9973
5
Kleinheubacher Berichte 2006
2007
10.5194/ars-5-19-2007
http://www.adv-radio-sci.net/5/19/2007/
http://www.adv-radio-sci.net/5/19/2007/ars-5-19-2007.html
http://www.adv-radio-sci.net/5/19/2007/ars-5-19-2007.pdf
19
28
2007-06-12
Contactless vector network analysis using diversity calibration with capacitive and inductive coupled probes
T. Zelder
zelder@hft.uni-hannover.de
I. Rolfes
H. Eul
Institut für Hochfrequenztechnik und Funksysteme, Universität Hannover, Appelstraße 9A, 30167 Hannover, Germany
Contactless vector network analysis based on a diversity calibration is
investigated for the measurement of embedded devices in planar circuits.
Conventional contactless measurement systems based on two probes for each
measurement port have the disadvantage that the signal-to-noise system
dynamics strongly depends on the distance between the contactless probes.
<br><br>
In order to avoid a decrease in system dynamics a diversity based measurement
system is presented. The measurement setup uses one inductive and two
capacitive probes. As an inductive probe a half magnetic loop in combination
with a broadband balun is introduced. In order to eliminate systematic errors
from the measurement results a diversity calibration algorithm is presented.
Simulation and measurement results for a one-port configuration are shown.
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