Recent measurements of compact electronically tunable liquid crystal phase shifter in rectangular waveguide topology | Zendy

Weickhmann C. | Zendy; Nathrath N. | Zendy; Gehring R. | Zendy; Gaebler A. | Zendy; Jost M. | Zendy; Jakoby R. | Zendy

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Recent measurements of compact electronically tunable liquid crystal phase shifter in rectangular waveguide topology

Author(s) -

Weickhmann C.,

Nathrath N.,

Gehring R.,

Gaebler A.,

Jost M.,

Jakoby R.

Publication year - 2013

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.2013.2281

Subject(s) - phase shift module , liquid crystal , materials science , topology (electrical circuits) , waveguide , optoelectronics , phase (matter) , optics , electronic engineering , electrical engineering , insertion loss , physics , engineering , quantum mechanics

A low‐weight, compact, tunable phase shifter based on liquid crystal technology is presented. It is designed in a hollow waveguide topology with a dielectric filled cross‐section. The operational frequency range is 21–29 GHz, but data up to 35 GHz have been obtained and are presented. The device offers more than 140° phase shift peak per dB insertion loss and 110–130°/dB in the desired range.

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