Work

Design of a Compact Unified SIW Cavity Filtenna Module for Antenna Array Application

Year: 2025

Type: article

Abstract: The design of a multilayer SIW cavity-fed filtenna is presented. The proposed filtenna can be used as a unified module in an antenna array structure. It consists of three-pole bandpass filter with slot antenna positioned centrally within the top module surface. The modules aperture dimensions of λ0/2×λ0/2 in conjunction with an SMA feeding port located on the bottom filtenna surface allow implementation of an antenna array of different configurations. This approach allows greatly simplifying the feeding and matching scheme of the array. This module is designed to operate at a 2.655 GHz central frequency with a 70 MHz bandwidth. The procedure of the filtenna design is described in detail. The proposed filtenna was fabricated and tested. The simulation and measurement results show a good agreement. The measurements demonstrate that the maximum measured gain of the prototype is 3.64 dBi with a small variation in the passband.

Source: Micromachines

DOI: 10.3390/mi16030285

Authors: Andrey Altynnikov, Roman Platonov, Alexey Sosunov, Tatyana Legkova, Andrey Komlev, Andrey Borisovich Kozyrev

Institution: Saint Petersburg State Electrotechnical University

Language: English

Topic: Microwave Engineering and Waveguides

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,534

Funder: Ministry of Education and Science of the Russian Federation