Abstract-A planar Dual Exponentially Tapered Slot Antenna (DET SA) is presented. The DETSA is simulated and designed with the software Ansoft High frequency Structure Simulator (HFSS). The dimensions of the antenna and the exponential functions of tapered slot are also described. To verify the design, the DETSA is fabricated and measured, good impedance matching over a very wide bandwidth is achieved, measured radiation patterns of the proposed antenna are compared with the simulated one, good agreement is observed. Simulated group delay of the antenna is presented.

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