A new design in microstrip structure is proposed with Crescent Slot in Eight Shape for ultra-wideband based applications. A lossless material honeycomb dielectric of dielectric constant 1.11 is sandwiched between radiating patch and ground. The main motivation for this work is to enhance the bandwidth of
the Impedance. The simulation results verify that the proposed antenna has a 63 percent bandwidth for Return loss less than -10 dB which is around 3.2 GHz while covering S-Band (2-4 GHz) and C-Band (4-8 GHz) of microwave frequency bands. Different variation in proposed design is also discussed. The basic advantage of this design is its simple structure with no active element, no shorting pins and no vertical walls between the patch and the
ground. The typical impedance behavior and far field radiation pattern characteristics of proposed configuration are presented. The antenna is designed, optimized and simulated using Transmission line Matrix (TLM) based software Microstripes 7.5.
Butterfly shape antenna, crescent slot, eight shape patch antenna, printed circuit, ultra-wideband(UWB)