Continuously tunable 360° phase shifter based on planar waveguide technology for MM‐wave applications | Zendy

Rahimian Omam Z. | Zendy; AbdelWahab W.M. | Zendy; Gigoyan S. | Zendy; SafaviNaeini S. | Zendy

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Continuously tunable 360° phase shifter based on planar waveguide technology for MM‐wave applications

Author(s) -

Rahimian Omam Z.,

AbdelWahab W.M.,

Gigoyan S.,

SafaviNaeini S.

Publication year - 2020

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

eISSN - 1350-911X

pISSN - 0013-5194

DOI - 10.1049/el.2020.0632

Subject(s) - phase shift module , planar , materials science , waveguide , optoelectronics , phase (matter) , electronic engineering , electrical engineering , optics , computer science , engineering , insertion loss , physics , computer graphics (images) , quantum mechanics

A continuously tunable phase shifter based on a substrate integrated waveguide (SIW) is proposed for high‐performance applications at millimetre‐wave frequencies. The proposed phase shifter consists of two slots cut on the SIW's broad wall and a high dielectric constant (HDC) slab over the slots. The phase shifting mechanism is based on perturbing the electric field of the SIW‐slot by putting a HDC slab over two slots. The fabricated phase shifter exhibits linear phase‐frequency response behaviour with an average insertion loss less than 2 dB over a phase shift range of 360 ° in the operating frequency band (29–31 GHz).

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