Vertical LTCC Integrated Rectangular Waveguide and Transitions for Millimeter-Wave Applications

A new vertical guiding structure in low-temperature cofired ceramics (LTCC) substrates is proposed. This vertical LTCC integrated waveguide (V-LIW) allows transmitting signals and realizing components in the body of the LTCC substrate perpendicular to its surface. This vertical integration leads to...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 2019-03, Vol.67 (3), p.868-882
Main Authors: Isapour, Aria, Kouki, Ammar
Format: Article
Language:English
Subjects:
3-D
Ceramics
Coplanar waveguides
Coupler
filter
low-temperature cofired ceramic (LTCC)
millimeter wave (mm-wave)
Millimeter waves
power divider
Power dividers
Propagation constant
Rectangular waveguides
Strips
substrate integrated waveguide (SIW)
Substrate integrated waveguides
Substrates
Surface waves
T-junction
V-band
Waveguide transitions
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Description
Summary:A new vertical guiding structure in low-temperature cofired ceramics (LTCC) substrates is proposed. This vertical LTCC integrated waveguide (V-LIW) allows transmitting signals and realizing components in the body of the LTCC substrate perpendicular to its surface. This vertical integration leads to considerable footprint reduction while opening the door to higher frequency coverage as well as easy implementation of E -plane structures. Discontinuities in V-LIW and transitions between the proposed V-LIW and conventional horizontal guiding structures such as coplanar waveguides, standard rectangular waveguides, and substrate integrated waveguides are also introduced. Applications to the design of V-band and W-band filters, couplers, and power dividers are presented. Several prototypes are fabricated with measurement results showing a good agreement with simulation data.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.2019.2892743