JPS611901U

JPS611901U - dielectric filter

Info

Publication number: JPS611901U
Application number: JP8617884U
Authority: JP
Inventors: 正宏大類
Original assignee: 株式会社日立国際電気
Priority date: 1984-06-12
Filing date: 1984-06-12
Publication date: 1986-01-08

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案による誘電体フィルタの概略的断面図、
第２図はその要部の拡大底面図、第３図はその等価回路
図、第４図および第５図は従来の誘電体フィルタの概略
的断面図、第６図はその等価回路図である。図中、１は筒状誘電体、２は内部導体、３は金属ケース
、４ａ，４ｂはコネクタ、５ａ，５ｂは結合線、６は外
部導体、７は窓、′８はスリットをそれぞれ示す。FIG. 1 is a schematic cross-sectional view of a dielectric filter according to the present invention;
Figure 2 is an enlarged bottom view of its main parts, Figure 3 is its equivalent circuit diagram, Figures 4 and 5 are schematic sectional views of a conventional dielectric filter, and Figure 6 is its equivalent circuit diagram. . In the figure, 1 is a cylindrical dielectric, 2 is an internal conductor, 3 is a metal case, 4a, 4b are connectors, 5a, 5b are coupling wires, 6 is an external conductor, 7 is a window, and '8 is a slit.

Claims

[Claims for Utility Model Registration] A plurality of dielectric resonators each having a cylindrical dielectric body and an internal conductor embedded in the dielectric body along its axis are arranged close to each other, In a dielectric filter in which coupling wires connected to an external input/output circuit are coupled to resonators located at both outer ends of a plurality of dielectric resonators, the resonators located at both outer ends . A dielectric filter, wherein a slit is formed extending from the outer peripheral surface of the dielectric material to the internal conductor, and the coupling wire is connected to the internal conductor through the slit.