Transmission line structure

Details Transmission line structure Transmission line structure

1992-06-29

1994-03-08

Pascal, Robert J.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333219, 333238, 333246, 174117F, 174117FF, H01P 308

Patent

active

052931404

ABSTRACT:
A microstrip or stripline structure (10) is disclosed. A dielectric substrate (11) of ceramic includes an area (14) having a different electromagnetic characteristic. The differing dielectric characteristic can be provided by an area (14) in the substrate having a reduced thickness. A transmission line (13) is disposed on one side of the substrate and is partially disposed on the area of reduced thickness. An opposed conductor, such as a ground plane (12), is disposed on the opposite side of the substrate. For a microstrip (20), two such substrates are utilized.

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patent: 4963843 (1990-10-01), Peckham
patent: 4975664 (1990-12-01), Ito et al.
patent: 5162761 (1992-11-01), Kita et al.

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