Optimized Wideband Impedance Matching Balun for Conducting Two-Arm Antennas

Table 2

Performance of different types of baluns used to feed a dipole antenna from a 50 Ω coaxial line.

Performance measure	Performance at the design (center) frequency
	No balun	Conventional split coaxial balun [11]	Balun proposed in the present work
VSWR	1.50	1.73	1.01
Return loss	−14 dB	−11.5 dB	−47 dB