Periodic structures for reconfigurable filter design: a comprehensive review

Irfan Shahid, Dushmantha Thalakotuna, Debabrata K. Karmokar, Simon J. Mahon, Michael Heimlich

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

With the advent of 5G, software-defined radios (SDRs), and ultra-wideband systems, there is a rapid rise in the demand for reconfigurable RF front ends. Conventional methods of using filter banks or cascading multiple devices to achieve wideband performance would result in bulky hardware. Devices that can change their characteristics and respond in a controlled manner to a desired input are suitable for such designs. In filtering applications, the most desirable adaptive features include band-switching capabilities, the use of a cutoff frequency and/or bandwidth tuning, and a change in filter response from passband to stopband. Periodic structures have demonstrated great potential in achieving these characteristics.

Original languageEnglish
Pages (from-to)38-51
Number of pages14
JournalIEEE Microwave Magazine
Volume22
Issue number11
DOIs
Publication statusPublished - Nov 2021

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