Wave transmission lines and networks – Long line elements and components – Strip type
Patent
1992-11-09
1993-11-02
Pascal, Robert J.
Wave transmission lines and networks
Long line elements and components
Strip type
333 26, H01P 308
Patent
active
052587304
ABSTRACT:
A microstrip transmission line substrate to substrate transition is provi comprising a pair of spaced-apart dielectric substrates having facing inner surfaces and ground planes on the non-facing outer surfaces and a parallelepiped-shaped dielectric waveguide element sandwiched between the substrate inner surfaces. The waveguide element has a pair of rhomboidal-shaped sides and a pair of sloping ends. A first microstrip conductor is disposed on the inner surface of one of the substrates and the upwardly-sloping end of the waveguide element contiguous to that surface. A second microstrip conductor is disposed on the inner surface of the other substrate and the other sloping end of the waveguide element, so that a pair of mutually-inverted microstrip transmission lines is formed. The dielectric constant of the material of the substrates is preferably much less than the dielectric constant of the waveguide element material.
REFERENCES:
patent: 4745377 (1988-05-01), Stern et al.
Babbitt Richard W.
Stern Richard A.
Anderson William H.
Gambino Darius
Pascal Robert J.
The United States of America as represented by the Secretary of
Zelenka Michael
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