Wave transmission lines and networks – Coupling networks – Delay lines including long line elements
Patent
1994-03-28
1995-04-11
Ham, Seungsook
Wave transmission lines and networks
Coupling networks
Delay lines including long line elements
333235, 333246, H01P 308, H01P 900
Patent
active
054062330
ABSTRACT:
A stripline device using at least one strip conductor and at least one ground plane separated therefrom by a dielectric substrate. The ground plane is caused to move relative to the strip conductor so as to change the propagation velocity of the stripline device. In a particular embodiment, a layer of piezoelectric material is positioned adjacent the ground plane and a voltage applied to the piezoelectric layer causes its dimensions to change and provide a changing air gap between the substrate and the ground plane to change the propagation velocity accordingly.
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Oates Daniel E.
Shih Benjamin S.
Ham Seungsook
Massachusetts Institute of Technology
O'Connell Robert F.
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