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Design and Calibration of Electric Field Probe to the Frequency Range of 2 to 3 GHz

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3 Author(s)
Valdman, C. ; INPI, Rio de Janeiro ; Dias, M.H.C. ; Santos, J.C.A.

Two probes designed for electric field measurements were constructed by two semi-rigid coaxial cables, through a non-expensive simple handmade process. Both probes were also simulated by a program specifically used for microwave devices and calibrated following international standards for the frequency range of 2 to 3 GHz. The simulations and the calibration procedure, which was performed in a semi-anechoic chamber, evaluated the measured voltage, performance factor and S11 of each probe. The simulated and experimental results were compared. The return loss parameter was used to determine the maximum operation frequency. The results showed that even simple probes as the ones constructed in the present work, when properly calibrated, can be used to measure with good accuracy the magnitude of the electric field in the considered frequency range.

Published in:

Latin America Transactions, IEEE (Revista IEEE America Latina)  (Volume:6 ,  Issue: 7 )