JPH02126401U

JPH02126401U -

Info

Publication number: JPH02126401U
Application number: JP3513589U
Authority: JP
Priority date: 1989-03-28
Filing date: 1989-03-28
Publication date: 1990-10-18

Description

【図面の簡単な説明】第１図、第２図および第４図は本考案の実施例
を示す回路図であり、第３図はその特性の説明図
である。BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1, 2, and 4 are circuit diagrams showing an embodiment of the present invention, and FIG. 3 is an explanatory diagram of its characteristics.

Claims

[Claims for Utility Model Registration] (1) In a dielectric filter in which the inner conductor of the resonator unit at the input/output end of a dielectric block in which a plurality of resonator units are integrally formed is capacitively coupled to the input/output terminal. , comprising a plurality of the dielectric blocks,
A coaxial resonator connected in parallel with a resonator unit is provided between the dielectric blocks, and the inner conductor of the coaxial resonator and the inner conductor of the resonator unit at the end of the adjacent dielectric block are coupled by capacitance. A dielectric filter featuring: (2) In a dielectric filter in which the inner conductor of the resonator unit at the input/output end of a dielectric block integrally formed with a plurality of resonator units is capacitively coupled to the input/output terminal, a plurality of the dielectric blocks are integrated. Ingredients,
a coaxial resonator connected in parallel with a resonator unit between the dielectric blocks, an inner conductor of the coaxial resonator and an inner conductor of a resonator unit at an end of an adjacent dielectric block are coupled by capacitance; A dielectric filter characterized in that at least one of the resonator units of the dielectric block is coupled by capacitance. (3) In a dielectric filter in which the inner conductor of the resonator unit at the input/output end of a dielectric block in which a plurality of resonator units are integrally formed is capacitively coupled to the input/output terminal, two resonator units are connected. A coaxial resonator is provided between the dielectric blocks and a resonator unit is connected in parallel with the inner conductor of the coaxial resonator. A dielectric filter characterized in that the inner conductor of the child unit is capacitively coupled, and the inner conductor of the resonator unit of the dielectric block other than the input/output terminal is capacitively coupled to at least one of the input/output terminals. (4) In a dielectric filter in which the inner conductor of the resonator unit at the input/output terminal is capacitively coupled to the input/output terminal of a dielectric block in which a plurality of resonator units are integrally formed, three or more resonator units are connected. A coaxial resonator is provided between the dielectric blocks and a resonator unit is connected in parallel with the inner conductor of the coaxial resonator. 1. A dielectric filter characterized in that the inner conductors of the child units are coupled by capacitance, and at least one of the resonator units of the dielectric block is coupled by capacitance.