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Calibration of biconical antennas on a small ground plane.

Meng, D*; Alexander, M J; Zhang, X* (2012) Calibration of biconical antennas on a small ground plane. In: 10th International Symposium on Antennas, Propagation and EM Theory (ISAPE - 2012), 22-26 October 2012, Xian, China.

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A new way is proposed, and verified by experiment, to measure the free-space antenna factor (Fa) of biconical antennas over 30 MHz to 300 MHz by the standard antenna method. The antennas were horizontally polarized above a metal ground plane. The usual method of calibrating EMC antennas is to place two antennas at a given separation in a horizontal plane. Biconical antennas have a uniform H-plane pattern, making it possible to stack the antennas in a vertical plane. The Fa measured with the new method is in close agreement (difference less than 0.6 dB) to that with the vertically polarized method from the draft IEC international standard CISPR 16-1-6. Because the antennas are stacked vertically, a smaller ground plane can be used. Because the antennas are horizontally polarized, the vertically routed cable is orthogonal to the antenna so the interaction of cable and antenna is minimized.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Electromagnetics
Electromagnetics > RF and Microwave
Identification number/DOI: 10.1109/ISAPE.2012.6408705
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/5740

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