Fig. 1. Monopole antenna structure. (a) Front view of antenna (G = 100 mm, R = 50 mm, r = 28 mm, H = 114 mm, C = 10 mm, h = 4 mm, I = 3 mm, L= 12 mm, Ls = 4 mm, T = tuners). (b) Top view of antenna (L = 14 mm, W = 6 mm, G = 100 mm, Sx = 3.0 mm, Sz = 0.543 mm, S = 4.086). (c) Side view.
Fig. 2. Surface current distribution of antenna at 0.8 GHz (a) and 18 GHz (b).
Fig. 3. Two-step transformer: (a) parametric sweep of L and (b) parametric sweep of Ls.
Fig. 4. Fabricated wideband monopole antenna.
Fig. 6. Simulated and measured radiation patterns of antenna at 0.8 GHz (a) and 18 GHz (b).
Fig. 5. Simulated and measured input reflection co-efficient.
Table 1. Comparison of proposed antenna with other antennas
참고문헌
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