JPS6421522U

JPS6421522U -

Info

Publication number: JPS6421522U
Application number: JP11492387U
Authority: JP
Priority date: 1987-07-27
Filing date: 1987-07-27
Publication date: 1989-02-02

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係わるフイルタ集合
体を概略的に示す斜視図、第２図はフイルタ集合
体の平面図、第３図は第２図の―線の拡大断
面図、第４図は第１の誘電体基板の一方の主面を
示す平面図、第５図は第１の誘電体基板の他方の
主面を示す底面図、第６図はフイルタ集合体の各
部を示す分解斜視図、第７図は単位フイルタの等
価回路図、第８図は周波数とノイズのレベルとの
関係を示す図、第９図は一部の周波数領域におけ
るノイズレベルを示す図である。１……磁性体ブロツク、２……第１の誘電体基
板、３……第２の誘電体基板、４……第１のアー
ス板、５……第２のアース板、６……リード線、
７……貫通孔、８，９……リード挿通孔、１０，
１１……個別電極、１２，１３……共通電極、１
４，１５……開口。 FIG. 1 is a perspective view schematically showing a filter assembly according to an embodiment of the present invention, FIG. 2 is a plan view of the filter assembly, FIG. 3 is an enlarged cross-sectional view taken along the line - in FIG. 2, and FIG. The figure is a plan view showing one main surface of the first dielectric substrate, FIG. 5 is a bottom view showing the other main surface of the first dielectric substrate, and FIG. 6 is an exploded view showing each part of the filter assembly. 7 is an equivalent circuit diagram of the unit filter, FIG. 8 is a diagram showing the relationship between frequency and noise level, and FIG. 9 is a diagram showing the noise level in some frequency regions. DESCRIPTION OF SYMBOLS 1...Magnetic block, 2...First dielectric substrate, 3...Second dielectric substrate, 4...First earth plate, 5...Second earth plate, 6...Lead wire ,
7...Through hole, 8, 9...Lead insertion hole, 10,
11... Individual electrode, 12, 13... Common electrode, 1
4,15...opening.

Claims

[Claims for Utility Model Registration] At least a dielectric substrate 2, a ground plate 4, and a magnetic block 1 are arranged in this order, and the magnetic block 1 has a plurality of through holes 7 penetrating between both main surfaces. The dielectric substrate 2 has a plurality of lead insertion holes 8 in a portion corresponding to the plurality of through holes 7 of the magnetic block 1, and the lead insertion hole 8 is provided on one main surface of the dielectric substrate 2. An individual electrode 10 is provided in a region surrounding the hole 8, and the individual electrode 10 is provided on the other main surface of the dielectric substrate 2.
0, the ground plate 4 is electrically and mechanically coupled to the common electrode 12 of the dielectric substrate 2, and the ground plate 4 is connected to the plurality of magnetic blocks 1. An opening 14 is provided in a portion corresponding to the through-hole 7, and the plurality of through-holes 7 of the magnetic block 1,
the plurality of lead insertion holes 8 of the dielectric substrate 2;
A plurality of lead wires 6 are arranged to pass through the opening 14 of the ground plate 4, and the individual electrodes 10 of the dielectric substrate 2 are electrically and mechanically coupled to the plurality of lead wires 6, respectively. An LC filter assembly characterized by: