Dielectric waveguide filter with cross-coupling

Details Dielectric waveguide filter with cross-coupling Dielectric waveguide filter with cross-coupling

2006-10-25

2010-02-09

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S230000

Reexamination Certificate

active

07659799

ABSTRACT:
Provided is a dielectric waveguide filter. The filter includes: a multi-layered structure of dielectric substrates having first and second ground planes at its top and bottom; first, second, and third waveguide resonators disposed at multiple layers within the multi-layered structure; converters for signal transition between input/output ports and the first and third waveguide resonators; first vias for forming the first, second, and third waveguide resonators; and second vias disposed at a boundary surface of the first waveguide resonator and the third waveguide resonator.

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patent: 10-2005-0043554 (2005-05-01), None
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“A V-band Planar Narrow Bandpass Filter Using a New Type Integrated Waveguide Transition” by Sung Tae Choi, et al.;IEEE Microwave and Wireless Components Letters; vol. 14, No. 12, Dec. 2004; pp. 545-547.
“A 60-GHz-Band Planar Dielectric Waveguide Filter for Flip-Chip Modules” by Masaharu Ito, et al.;IEEE Transactions on Microwave Theory and Techniques; vol. 49, No. 12, Dec. 2001; pp. 2431-2436.

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