Miniature broadband switched filter bank

Details Miniature broadband switched filter bank Miniature broadband switched filter bank

H - Electricity

01

P

H01P 1/15 (2006.01) H01P 1/213 (2006.01)

Patent

CA 2539776

A miniaturized microwave circuit. The novel circuit includes a first substrate, a first ground plate disposed on a bottom surface of the first substrate, a second substrate attached to a top surface of the first substrate and adapted to cover a portion of the first substrate, a second ground plate disposed on a top surface of the second substrate, a pattern of metallization disposed between the first and second substrates to form a stripline circuit, one or more ground paths disposed on the top surface of the first substrate and including a plurality of vias connected to the first ground plate, and one or more openings cut into the second substrate and second ground plate, wherein each opening follows and is aligned over a portion of a ground path and is filled in with conducting material, such that the second ground plate is connected to the first ground plate.

L'invention concerne un circuit micro-ondes miniaturisé. Ce nouveau circuit comprend un premier substrat, une première plaque de terre disposée sur une surface de fond du premier substrat, un second substrat fixé sur une surface supérieure du premier substrat et conçue pour couvrir une partie du premier substrat, une seconde plaque de terre disposée sur une surface supérieure du second substrat, un motif de métallisation disposé entre le premier substrat et le second substrat, pour former un circuit à lignes microrubans, au moins une trajectoire de terre étant disposée sur la surface supérieure du premier substrat et comprenant une pluralité de trous traversants reliés à la première plaque de terre, et au moins une ouverture découpée dans le second substrat et dans la seconde plaque de terre, chaque ouverture suit et est alignée sur une partie d'une trajectoire de terre, et est remplie d'une matière conductrice, de sorte que la seconde plaque de terre soit reliée à la première plaque de terre.

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