Two-Step Beveled UWB Printed Monopole Antenna with Band Notch
Figure 4
Return loss versus frequency (a) for different values of the parameter L1 (other parameters: G = 1 mm, L2 = 8 mm, Lg = 9 mm, W2 = 14 mm, W1 = 20 mm, d1 = 0, and d2 = 0) and (b) for different values of the parameter L2 (other parameters: G = 1 mm, L2 = 11 mm, Lg = 9 mm, W2 = 14 mm, W1 = 20 mm, d1 = 0, and d2 = 0).