Piecewise-uniform bends in rectangular waveguide

A new configuration of improved rectangular-waveguide bend for advanced millimeter-wave applications is presented. It consists of few lengths of constant-curvature bends, properly designed in order to obtain enhanced matching conditions, without matching elements. Comparisons between the proposed be...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2005-04, Vol.15 (4), p.289-291
Main Authors: Virone, G., Tascone, R., Baralis, M., Peverini, O.A., Olivieri, A., Orta, R.
Format: Article
Language:English
Subjects:
Applied sciences
Bends
Circuit properties
Design engineering
Electric variables measurement
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Frequency
Gradual curvature bends
GSM
Manufacturing
Matching
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwaves
Millimeter wave devices
Millimeter wave measurements
Polarization
Prototypes
Rectangular waveguides
Uncertainty
waveguide bends
waveguide circuits
Waveguide components
Waveguide junctions
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Summary:A new configuration of improved rectangular-waveguide bend for advanced millimeter-wave applications is presented. It consists of few lengths of constant-curvature bends, properly designed in order to obtain enhanced matching conditions, without matching elements. Comparisons between the proposed bends and the uniform ones are reported, showing that the formers exhibit a better return loss. Measurements on a Ka-band prototype, in its operative condition, and a worst-case analysis on a W-band design, confirm the high electrical performances also in presence of significant manufacturing uncertainties.
ISSN:1531-1309
2771-957X
1558-1764
2771-9588
DOI:10.1109/LMWC.2005.845755