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Broadband Microstrip antennas using E-shaped patch is reported. Here, a new design of E-shaped patch antenna is proposed for ultra-wide band response. A detailed parametric study explaining the effects of various patch parameters like, slot dimensions and their position, microstrip feed line dimensions and its position along the patch base is presented. The slots and feed line position in the patch...
In circularly polarized radiation, the rotational orientations of the transmitter and the receiver antennas are unimportant in relation to the received signal strength. In this paper, a center square slot cut elliptical patch microstrip antenna to realize a tunable circular polarization in 1000 MHz frequency band is proposed. It yields axial ratio bandwidth of nearly 1.2% over tunable range. A rectangular...
Analysis of proximity fed circularly polarized square patch antenna with multiple triangular notches is presented. The triangular notch tunes the spacing between TM10 and TM01 modes to yield circular polarization. Further a design of single triangular notch cut square patch antenna is also proposed which gives similar axial ratio bandwidth. The resonant length formulation at modified TM01 and TM10...
Rectangular slot cut compact shorted 90° Sectoral Microstrip Antenna is proposed. An analysis to investigate the effect of rectangular slot which yields broader bandwidth is presented. The slot does not introduce any new mode but it reduces the resonance frequency of second order TM1/4,1 mode of the shorted patch. Due to its coupling with fundamental shorted TM1/4,0 mode, yields bandwidth of more...
Microstrip line fed elliptical shaped ultra wide band antenna with and without elliptical slot is presented. The elliptical patch yields bandwidth of 12.6 GHz with a peak gain of 3.0 dBi. Further, a parametric study for the elliptical slot cut inside the elliptical patch is presented. The elliptical slot optimizes the resonance frequencies of fundamental and higher order modes and impedance at them...
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