Disk Antenna with Conductive Feeding

Abstract

The paper presents the results of modeling the main electrodynamic characteristics of a disk microstrip antenna with a set of slotted inhomogeneities. The geometric dimensions of inhomogeneities meet the law of decreasing geometric progression with a given denominator. Antenna feeding is carried out using a complex composition element: connection with external circuits is carried out using a segment of a grounded coplanar line, and the excitation of the disk resonator itself is carried out using an additional ring resonator. The simulation was carried out within the framework of the finite element method. The possibility of operation in several frequency subranges is shown.