Optimized Wideband Impedance Matching Balun for Conducting Two-Arm Antennas

Figure 13

The current distribution on the dipole arms fed through a split coaxial balun with a step transition in the inner diameter conductor on the surface model of the balun and dipole (a) showing the sides of the triangular patches and (b) hiding the sides of the triangular patches, and (c) zoom-in view at the antenna connection with the balun; .

(a)

(b)

(c)