Optimized Wideband Impedance Matching Balun for Conducting Two-Arm Antennas

Figure 9

Variation of (a) the input impedance and (b) VSWR of a split coaxial balun excited at the coaxial side and terminated at the twin side by 75 Ω load with the diameter of the inner conductor of the split section of the balun; GHz, mm, mm, cm, cm, cm, cm, mm, and .

(a)

(b)