International Journal of Microwave Science and Technology / 2015 / Article / Fig 10

Research Article

Design of UWB Planar Monopole Antennas with Etched Spiral Slot on the Patch for Multiple Band-Notched Characteristics

Figure 10

(a) Return loss plot for different values of , . (b) Return loss plot for different values of gap ().
(a)
(b)

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