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A compact rectangular slotted monopole antenna for ultra wideband (UWB) application is presented. The designed antenna has a simple structure and compact size of 25 × 26 mm2. This antenna consist of radiating patch with two steps and one slot introduced on it for bandwidth enhancement and a ground plane. Antenna is feed with 50Ω microstrip line. IE3D method of moments based simulation software is...
A pair of L-shaped slot loaded rectangular patch antenna is analysed by using circuit theory concept which exhibits dual resonance behaviour. Two resonance frequencies are at 2.45 GHz and 5.125 GHz (experimental 2.44 GHz and 5.12 GHz, simulated 2.48 GHz and 5.2 GHz). The -10 dB bandwidth of lower and upper resonance frequency is 4.13 % (experimental 3.4 %, simulated 3.51 %) and 8.82 % (experimental...
In meander line antenna the size of the dipole at given frequency is reduced by a factor that is proportional to the number of turns. The adjacent horizontal segments of the meander line antenna have opposite phase. The transmission line current neither contributes much to the radiated power nor produce losses. At the location where the current reaches maximum value at that point large amount of power...
The present work describes the design and analysis of a four aperture and six aperture coupled multilayered microstrip directional coupler. The single layered four aperture and six aperture directional coupler consist of two microstrip layers one with ground plane. This comparison shows that the coupling of -10 dB was achieved with the four aperture directional coupler but the higher isolation has...
In this paper, transmission line parameters such as characteristic impedance Z0, effective dielectric constant epsiveff, attenuation constant alpha of Suspended Microstrip line on multilayer low resistivity silicon substrate are investigated. Effect of variation in the thickness of Si3N4, polyimide and metal layer are studied using HFSS. Due to suspended nature, significant reduction in transmission...
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