Keywords
loop antenna
antenna calibration
Helmholtz coil
antenna calibration
Helmholtz coil
Abstract
The article presents examples of calibration of a small loop antenna, witch can be used to measure the magnetic component of the electromagnetic field. The source of such a field may be, for example, lightning. There are many methods of calibration a loop antenna. Two of them are presented below – using test antenna with is calibrated and with known parameters, and using a homogenous magnetic field generated inside Helmholtz coil. Measurements using the first method were carried out in the anechoic chamber of the EMC laboratory.
References
[1] Fugjii K., Sakai K., Sugijama K., Nisijama I., Calibration of Loop antennas for EMI Measurements in Frequency Range Below 30 MHz, Journal of the National Institute of Information and Communications Technology, 63(1):71-81, January 2016.
[2] Aykan A., Calibration of circular loop antenna., IEEE Transactions on Instrumentation and Measurement, 47(2):446-452 May.
[3] Overturf D., Lumsden N., Dea J., Rodriguez D., Rockway J.D., Air Core Loop Antenna Calibration Methods, SPAWAR Systems Center Pacific San Diego, CA 92101, USA.
[4] EL. Bronaugh, HELMHOLTZ COILS FOR EMI IMMUNITYTESTING: STRETCHING THE UNIFORM FIELD AREA.
[5] IEEE Std 291-1991, IEEE Standard Methods for Measuring Electromagnetic Field Strength of Sinusoidal Continuous Waves, 30 Hz to 30 GHz.
[2] Aykan A., Calibration of circular loop antenna., IEEE Transactions on Instrumentation and Measurement, 47(2):446-452 May.
[3] Overturf D., Lumsden N., Dea J., Rodriguez D., Rockway J.D., Air Core Loop Antenna Calibration Methods, SPAWAR Systems Center Pacific San Diego, CA 92101, USA.
[4] EL. Bronaugh, HELMHOLTZ COILS FOR EMI IMMUNITYTESTING: STRETCHING THE UNIFORM FIELD AREA.
[5] IEEE Std 291-1991, IEEE Standard Methods for Measuring Electromagnetic Field Strength of Sinusoidal Continuous Waves, 30 Hz to 30 GHz.