Four-State Full Q-Band Phase Shifter Using Smooth-Ridged Waveguides

A novel four-state full Q-band waveguide phase shifter based on smooth-ridged sections is presented. The waveguide structure combines differential 90° and 180° phase shifters, whose combination provides the four-phase states (0°, 90°, 180°, and 270°) by appropriately controlling a set of millimeter-...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2017-11, Vol.27 (11), p.995-997
Main Authors: Villa, Enrique, Aja, Beatriz, Cagigas, Jaime, Artal, Eduardo, de la Fuente, Luisa
Format: Article
Language:English
Subjects:
Bandwidth
Broadband communication
Millimeter wave technology
Millimeter-wave circuit
phase shifter
Phase shifters
waveguide
Waveguide components
Wideband
Wireless communication
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Summary:A novel four-state full Q-band waveguide phase shifter based on smooth-ridged sections is presented. The waveguide structure combines differential 90° and 180° phase shifters, whose combination provides the four-phase states (0°, 90°, 180°, and 270°) by appropriately controlling a set of millimeter-wave switches. Each differential phase shifter is performed using an E-plane continuous profile ridge to reach the 90° or 180° phase shift, respectively. The phase shifter module provides outstanding performance covering the full Q-band (33-50 GHz) with average phase results of 93.5°, 182.8°, and 270.6°.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2017.2750069