12 Jun 2007
12 Jun 2007
Determination of the input impedance of RFID transponder antennas with novel measurement procedure using a modified on-wafer-prober
M. Camp1,2, R. Herschmann1,2, T. Zelder1, and H. Eul1
M. Camp et al.
M. Camp1,2, R. Herschmann1,2, T. Zelder1, and H. Eul1
- 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
- 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
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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.