Category: Electromagnetic

Solving a Patch Antenna with the FEM

The FEM current source and complex load for the FEM region enables the setting of an excitation inside a FEM dielectric region and to calculate S-parameters. This load is set at an arbitrary position inside the FEM mesh, i.e. it … Read More

OMNI_topview Lead Image

Isosurfaces for Near-Field Characterisation of Transmitter ICNIRP Boundaries

A description of how isosurfaces may be used to evaluate radiation hazard safety boundaries around transmitter structures against ICNIRP guidelines. Physical Problem In this example a large truss structure is used to support omnidirectional GSM antennas and Yagi-Uda antennas at … Read More

Wide-Band Stacked Annular-Ring Dielectric Resonator Antenna

A wide-band stacked annular-ring dielectric resonator antenna is modelled efficiently with the FEM/MOM and 2 planes of magnetic symmetry. Introduction: The FEM/MoM is often overlooked as an efficient technique for modelling dielectrics. This is even more true when the model consists of more than one dielectric layer. The traditional … Read More

vertical planes

Large Array Modelling – A Microstrip Case Study

A 25 x 40 element microstrip array is used as a case study of how large antenna arrays may be modelled with the ideal transmitting antenna feature in FEKO. Introduction This case study aims to illustrate how large arrays may … Read More

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Dual-Mode Circular Horn Simulation with the MLFMM

A dual-mode circular horn antenna is simulated with the MLFMM and far-fields are extracted. Skobelev et al. [1] described how a dual-mode horn antenna may be manufactured cost effectively with simple modifications to the geometry of the antenna. This page … Read More

Low-Pass Microstrip Filter

A low-pass microstrip filter is analysed in FEKO and the results compared to published media. This article analyses a microstrip low-pass filter that was originally analysed in [1].  The filter was implemented using CADFEKO with the substrate being approximated with … Read More

simplified cable path scenario

Coaxial Cable Analysis

Application CADFEKO supports the analysis of arbitrary cable bundles and cable paths. This feature provides the user means of dealing with the problem of irradiation of cables excited by an external field, e.g. a plane wave, but also any other … Read More