Phase shifter based on the substrate integrated waveguide technology

Tomas Hnilicka, Titus Oyedokun, Tomas Zalabsky, Heru Suhartanto

Research output: Contribution to journalArticlepeer-review


Substrate integrated waveguide (SIW) technology is widely known transmission line technology adapted for use in various types of microwave circuits. This article deals with the analysis and design of a phase shifter based on the SIW technology. With simulation and measurement results obtained from the phase shifter with using air holes inside the structure, a test circuit was designed and manufactured. Results show that a phase balance of less than 10° is achieved with the experimental setup. The return loss value is better than 15 dB for working frequency band 8.85 GHz-9GHz. The main benefit of this work is the easy of implementation air holes inside the structure and also the easy of manufacture of the circuits for antenna arrays, where a certain number of identical circuits is usually needed.

Original languageEnglish
Pages (from-to)67-72
Number of pages6
JournalJournal of Electrical Engineering
Issue number1
Publication statusPublished - 1 Feb 2022


  • phase shifter
  • SIW
  • TRL calibration
  • waveguide


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