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Calibration methods for electric field probes and GTEM cells

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4 Author(s)
Kordi, B. ; Dept. of Electr. & Comput. Eng., Manitoba Univ., Winnipeg, Man., Canada ; Lo Vetri, J. ; Bridges, G. ; Jeffrey, I.

In this paper, two techniques are presented for in-situ calibration of an electric-field probe, in our case an asymptotic conical dipole. The first technique uses a parallel-plate probe as a reference, and measurements are performed using a spectrum analyzer. In the second technique, a network analyzer is employed to measure the two-port scattering parameters of the GTEM cell (apex of the cell) and the probe, which is installed on the floor of the cell. The antenna factor is extracted from the transmission coefficient. Measurements for both techniques are carried out in a GTEM cell. The effect of a nearby EUT on the antenna factor is investigated.

Published in:

Electromagnetic Compatibility, 2004. EMC 2004. 2004 InternationalSymposium on  (Volume:3 )

Date of Conference:

9-13 Aug. 2004