Multilayer planar tunable filter

Details Multilayer planar tunable filter Multilayer planar tunable filter

2009-02-25

2011-12-20

Jones, Stephen (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S238000

Reexamination Certificate

active

08081050

ABSTRACT:
An electronic device includes a first strip conductor formed from a first metal level over a substrate. A second strip conductor formed from a second metal level is located between the first strip conductor and the substrate. At least one of the first and the second strip conductors includes a stripline portion and a microstrip line portion.

REFERENCES:
patent: 6121861 (2000-09-01), Yabuki et al.
patent: 6643924 (2003-11-01), Hirabayashi
patent: 6812813 (2004-11-01), Mizoguchi et al.
patent: 7193490 (2007-03-01), Shimoda
patent: 2007/0182512 (2007-08-01), Lee et al.

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