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A novel compact microstrip phase shifter for microstrip antenna arrays



  1. Military Technical Academy ,,Ferdinand I”, Faculty of Communications and Electronics Systems for Defence and Security, 39-49 George Coșbuc Blvd., 050141, Bucharest, Romania


A novel simplified phase shifter to equip microstrip antenna arrays is demonstrated in the article. The proposed phase shifter include three transmission lines placed around a probe excitation base. With this compact design, a particular antenna array is capable of steering the main beam towards five predetermined directions. To show the advantages of the proposed phase shifter, four models are used to build the excitation circuit of a linear array of four cylindrical dielectric resonator antennas, with a dielectric constant of 34. The implemented practical model has obtained a maximum steering angle of 36 degrees. The paper shows an excellent matching between simulations and measurements..


Microstrip phase shifter, Steering angle, Main beam, Cylindrical dielectric resonator antenna array.

Submitted at: July 10, 2023
Accepted at: Aug. 10, 2023


M. G. ȚURCAN, A novel compact microstrip phase shifter for microstrip antenna arrays, Journal of Optoelectronics and Advanced Materials Vol. 25, Iss. 7-8, pp. 360-368 (2023)