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High frequency filter

專利號
US12160217B2
公開日期
2024-12-03
申請人
Mitsubishi Electric Corporation（JP Tokyo）
發(fā)明人
Motomi Watanabe; Yukihiro Homma; Tomohiro Takahashi; Shinji Arai; Kenji Harauchi; Hidenori Yukawa
IPC分類
H03H7/075; H01P3/08; H05K1/02; H05K1/11; H05K3/34; H05K3/46
技術(shù)領(lǐng)域
columnar,conductor,substrate,land,plane,ground,lands,multilayer,in,frequency
地域： Tokyo

摘要

A high frequency filter includes: a multilayer substrate including a first substrate for which lands are provided, a second substrate for which lands are provided, and a third substrate for which lands are provided, the third substrate being sandwiched between the first substrate and the second substrate; a columnar conductor electrically connected to the lands in the multilayer substrate; and columnar conductors provided to surround the columnar conductor, electrically connected to a ground plane of the first substrate, and electrically connected to a ground plane of the second substrate. The spacing between the lands of the first substrate and the lands of the third substrate and the spacing between the lands of the second substrate and the lands of the third substrate are electrical lengths of 90 degrees or less at the cutoff frequency.

說明書

The solder connection portion 11a is provided in such a way as to be located concentrically with the columnar conductor 9a and the columnar conductor 9aa on the ground plane 5d of the multilayer substrate 3, and connects the columnar conductor 9a and the columnar conductor 9aa. The solder connection portion 11b is provided in such a way as to be located concentrically with the columnar conductor 9b and the columnar conductor 9ba on the ground plane 5d of the multilayer substrate 3, and connects the columnar conductor 9b and the columnar conductor 9ba. The solder connection portion 11c is provided in such a way as to be located concentrically with the columnar conductor 9c and the columnar conductor 9ca on the ground plane 5d of the multilayer substrate 3, and connects the columnar conductor 9c and the columnar conductor 9ca.

權(quán)利要求

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