optimised-band-reject-lead

Microstrip Filter Optimisation Using Masks

This page describes the optimisation of a microstrip line filter with the use of masks. Specified filter characteristics are realised. Introduction In this article, the FEKO optimisation mask feature will be used to optimise the response of a microstrip filter. … Read More

Microstrip-Fed Slot Antenna

A microstrip-fed slot antenna was designed using Antenna Magus for the following specifications: 5 GHz centre frequency 50 Ω input impedance FR4 substrate, ε = 4.35, height = 1.5mm Dimensions of the slot and feed-line are: Ws = 743.3 μm … Read More

Excalibur tag antenna

Electromagnetic Modelling of UHF RFID Systems

An overview of UHF RFID system EM modeling, including tag antenna in isolation, tag antenna placement and reader antenna operating environment. Introduction The use of radio frequency identification (RFID) solutions is becoming ever more widespread. From simply tagging retail items … Read More

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