MEASUREMENT OF MAGNETIC COMPLEX ANTENNA FACTOR OF A DOUBLE-LOADED SHIELDED LOOP ANTENNA BY 3-ANNTENA METHODS

Takashi Iwasaki, Makoto Takashima
Abstract:
This paper presents two methods for determining the complex antenna factor (CAF) of a shielded loop antenna for HF magnetic field measurements. A circuit model is introduced to apply the field-transferred 3-antenna method to double-loaded shielded loop antennas. In addition, a new 3-antenna method is proposed, where theoretical calculation and circuit measurement are combined. Experiments are made in an anechoic chamber in the frequency range of 50 MHz to 1000 MHz. The magnetic CAF of various shielded loop antennas can be determined by the proposed methods.
Keywords:
EMC/EMI, Electromagnetic sensor, Shielded loop antenna, Antenna factor, 3-anntena method
Download:
IMEKO-TC4-2001-008.pdf
DOI:
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Event details
IMEKO TC:
TC4
Event name:
TC4 Symposium 2001
Title:

11th IMEKO TC4 Symposium on Trends in Electrical Measurements and Instrumentation (together with 6th IMEKO TC4 Workshop on ADC Modelling and Testing)

Place:
Lisbon, PORTUGAL
Time:
13 September 2001 - 14 September 2001