A Super Wideband Directional Compact Vivaldi Antenna for Lower 5G and Satellite Applications

Table 1

Geometrical parameters of the proposed tapered slot super wideband vivaldi antenna.

Parameter with symbol	Value (mm)
Length of antenna, L	45
Width of antenna, W	35
Height of substrate, h	0.79
Thickness of patch, mt	0.035
Width of microstrip feed line, mw	1.2
Tapper rate, r	0.135
Throat width, s	0.05
Back wall offset, ext	1
Radius of cavity, ra	3
Port coefficient, k	9.53
Dielectric constant of substrate, ɛr	2.2
Tangent loss of substrate, δ	0.0009
Angle of radial stub, a	70 deg
Length of the radial stub, Lst	4.5
Outer mouth opening, Wo	25.34
Radius of circular slots, Rc	5
Distance of via from the slot, te	1.4