Design and Analysis of Printed Yagi-Uda Antenna and Two-Element Array for WLAN Applications

Figure 1

Structure of printed Yagi-Uda antenna unit. (a) Front view and (b) back view. (𝑊_𝑑=4 mm, 𝑊_𝑟=4 mm, 𝑊=4 mm, 𝑆_𝑑=10 mm, 𝑆_𝑟=18 mm, 𝐿_𝑑=28 mm, 𝐿_𝑟=64 mm, 𝐿=29 mm, 𝐿_𝑠=66 mm, 𝑊_𝑠=38 mm, 𝑔=0.8 mm).