results and discussion
Figure 8 shows the fabricated prototype of the proposed UWB notch
antenna. The proposed UWB notch antenna is fabricated on the FR4_epoxy
substrate with dielectric constant εr =4.4 and
height h =1.6 mm. The antenna parameters such as reflection
coefficient (|S11|) and gain of the
proposed antenna is measured with the help of a Rohde & Schwarz vector
network analyzer (VNA) of range 1GHz to 20GHz.