A small dual stacked log periodic dipole array antenna (LPDA) with improved gain of low frequency for immunity testing

This paper presents the simulation results with commercial Computer Aided Engineering (CAE) software to improve the low frequency gain (from 80 MHz to 200 MHz) of a small dual stacked log periodic dipole array antenna. The practical results of the improved small dual stacked log-periodic dipole array antenna are presented as well. The both results prove that this improved LPDA is able to apply to the immunity testing for automotive components and sub-system and has a good performance in E-field characteristic from 80 MHz.