Optimized Wideband Impedance Matching Balun for Conducting Two-Arm Antennas

Figure 7

Variation of (a) the input impedance and (b) VSWR of a split coaxial balun excited at the coaxial line side and terminated at the split line side by a balanced 75 Ω load with the length of the transitional section, ; GHz, mm, mm, mm, cm, cm, and .

(a)

(b)