Determination of the input impedance of RFID transponder antennas with novel measurement procedure using a modified on-wafer-prober

Camp, M.; Herschmann, R.; Zelder, T.; Eul, H.

doi:https://doi.org/10.5194/ars-5-115-2007

Articles | Volume 5

Adv. Radio Sci., 5, 115–118, 2007

https://doi.org/10.5194/ars-5-115-2007

© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Adv. Radio Sci., 5, 115–118, 2007

https://doi.org/10.5194/ars-5-115-2007

© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Articles | Volume 5

12 Jun 2007

Determination of the input impedance of RFID transponder antennas with novel measurement procedure using a modified on-wafer-prober

M. Camp^1,2, R. Herschmann^1,2, T. Zelder¹, and H. Eul¹ M. Camp et al.

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¹Leibniz University of Hannover, Institute of Radiofrequency and Microwave Engineering, Appelstraße 9a, 30167 Hannover, Germany
²Smart Devices GmbH & Co. KG, Schönebecker Allee 2, 30823 Garbsen, Germany

Abstract. This paper shows a new method to determine the input impedance of RFID transponder antennas with a combination of on-wafer-prober and network analyzer. It is shown that the results are in a good agreement with FEM simulations (HFSS) for a large part of the examined antenna structures.