NDLI: Double Dielectric-Slab-Filled Waveguide Phase Shifter

Content Provider	IEEE Xplore Digital Library
Author	Arndt, F. Frye, A. Wellnitz, M. Wirsing, R.
Copyright Year	1963
Description	A field theory method based on the orthogonal expansion into eigenmodes is presented for the design of double dielectric-slab-filled waveguide phase shifters with linearly tapered sections. Prototypes of 90° differential phase shift with reference to a corresponding empty waveguide of the same length achieved typically about +-4° phase error and less than -30-dB input reflection within +-5-percent bandwidth, for WR 102-band (7-11 GHz) through WR 28-band (26.5-40 GHz) waveguides. Design curves for differential phase shifts of 12.25°, 22.5°, 45°, 90°, 180°, and 270° are given. Utilizing the differential phase compensation effect of the dispersive behavior of the dielectric-filled and empty reference waveguides, the phase error is only +-1° within +-8.5-percent bandwidth. Further investigations include composite phase shifters, mechanical lateral displacement, and tolerance influences. An experimental 90° phase shifter for 14-GHz midband frequency shows good agreement between theory and measurements.
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	373
Ending Page	381
Page Count	9
File Size	909188
File Format	PDF
ISSN	00189480
Volume Number	33
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1985-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectrics Phase shifters Frequency Prototypes Bandwidth Dispersion Rectangular waveguides Slabs Waveguide theory Optical reflection
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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