Title :
Numerical analysis of folded rhombic antenna for EMI measurements using FI method
Author :
Ishigami, Shinobu ; Wu, Ifong ; Gotoh, Kaoru
Author_Institution :
EMC Lab., Nat. Inst. of Inf. & Commun. Technol. (NICT), Tokyo, Japan
Abstract :
A folded rhombic antenna as a broadband antenna for measuring a radiated electromagnetic emission was numerically analyzed using the finite integration method in frequencies from 100 MHz to 6 GHz. In the analysis, radiation patterns, absolute gains, front-to-back ratios (F/B), and antenna impedances were calculated in cases of three types of antenna dimensions. As a result, the antenna is applicable to the emission measurement in frequencies from 110 MHz to 2 GHz as a broadband antenna that has larger F/B than that of a biconical antenna and more compact size than that of a log-periodic dipole array antenna.
Keywords :
UHF antennas; antenna radiation patterns; broadband antennas; conical antennas; dipole antenna arrays; electromagnetic interference; EMI measurements; F-B; FI method; antenna impedances; biconical antenna; broadband antenna; electromagnetic emission; finite integration method; folded rhombic antenna; frequency 100 MHz to 6 GHz; front-to-back ratios; log-periodic dipole array antenna; numerical analysis; Antenna measurements; Antenna radiation patterns; Broadband antennas; Dipole antennas; Gain; Shape; broadband antenna; finite integration method; numerical analysis; radiated emission measurement;
Conference_Titel :
EMC Europe 2011 York
Conference_Location :
York
Print_ISBN :
978-1-4577-1709-3
