1 WATERHOUSE. R.B : 'Small microstrip patch antenna', Electron. Lett., 1995, 31, pp. 604605 2 ROWLEY. J.T., and WATERHOUSE. R.B.: 'Performance of shorted microstrip patch antennas for mobile communications handsets at 1800MHz', IEEE Trans. Antennas Propug., (to appear) 3 WATERHOUSE, R.B., ROWLEY, J.T., and JOYNER. K.H.: 'Stacked shorted patch', Electron. Lett.. 1998, 34, pp. 612-614 4 TARGONSKI...

This study focused on the determination and analysis of an accurate analytical model for PIN diode under different bias conditions. This approach employs analytically derived expressions including the variation of the depletion regions in the device to make the used model available over a wide range of testing conditions without remake the parameters extraction procedure. The validity of the pr...

Patch antennas are one of the most attractive antennas for integrated RF front end systems due to their compatibility with microwave integrated circuits. To fulfill the demand of integrated RF front end systems, a design of microstrip patch antenna with optimum performance at 12 GHz is investigated. It is also investigated how the performance properties of a microstrip patch antenna are affecte...

A probe-fed circularly polarized stacked patch antenna is presented and simulated by using Commercial Ansoft High Frequency Structure Simulator. The design consists of two patches and two substrates. The bottom patch is square-shaped where as the top patch is of triangularshaped. T-shaped slots parallel to the edges of the patches are inserted so that bandwidth can be improved. Enhancement of t...

This paper presents the design and results of a compact tapered U slot UWB printed monopole microstrip antenna. The planar, very small, thin UWB antenna fed by a single 50? microstrip line with truncated ground plane is excited by a coaxial SMA connector. The simulation was done using Ansoft High Frequency Structure Simulator (HFSS) software. Extensive investigations and parametric analysis is ...

This paper deals with the theoretical investigation on a reduced sized Frequency Selective Surface (FSS). The FSS is designed by cutting a unique shaped slot into square patch. It has been shown, how the variation of the dimension of the slot and periodicity results in shifting of resonant frequency . Compared to conventional square patch FSS the designed FSS can provide reduction in resonant f...

Corresponding Author: Abdelkhalek Nasri Department of Physics, Electronics Laboratory, Faculty of Science, Tunis El Manar 2092, Tunisia Email: [email protected] Abstract: This paper focuses on the analysis of passive devices using a recent emerging technology named Substrate Integrated Waveguide (SIW). This technology has been used in the conception of planar compact components for the ...

In this report we investigate the continuous dependence with respect to the initial data of the solutions for the 1D and 1.5D relativistic Vlasov-Maxwell system. More precisely we prove that these solutions propagate with finite speed. We formulate our results in the framework of mild solutions, i.e., the particle densities are solutions by characteristics and the electro-magnetic fields are Li...

In this paper, the design of rectangular dielectric resonator antenna (RDRA) with coaxial probe and microstrip line feed arrangements and corresponding return loss vs. frequency characteristics and radiation performance in C-band of microwave frequencies using finite integration method (CST Microwave Studio) and verified by finite element method (Ansoft High Frequency Structure Simulator) are p...

The Substrate Integrated Waveguide (SIW) technology is a very promising technique with which we can take the advantages of both waveguides and planar transmission lines. Therefore, in [2.1-3] GHz band various microwave components and devices have been designed successfully using Ansoft HFSS software. We then proceeded to the realization of the coupler and then made measurements of the frequency...