Novel dielectric filter
A dielectric filter and a new type of dielectric technology, applied in the direction of waveguide devices, circuits, electrical components, etc., can solve the problems of affecting the quality of communication signals and the inability to take into account the requirements of sub-remote suppression, so as to improve the attenuation ratio, increase inductive coupling, The effect of delaying the effects of far-end harmonics
Active Publication Date: 2021-06-25
JIAXING GLEAD ELECTRONICS CO LTD
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Problems solved by technology
The open surface of the dielectric filter is coated with metal patterns. The design of these patterns will be different according to the working frequency spectrum required by the communication system. When the near-end suppression index is high, it is usually impossible to take into account the sub-far-end suppression requirements, which will affect the quality of the communication signal
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[0028] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0029] In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "longitudinal", "transverse", "top", " The orientation or positional relationship indicated by "bottom", "inner", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific Orientat...
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The invention provides a novel dielectric filter. The dielectric filter comprises a dielectric body, N+4 through holes and an end face metal layer, wherein the end face metal layer comprises a first metal block, a second metal block, N middle metal blocks, a penultimate metal block, a last metal block, a first metal side line, a second metal line segment, a third metal line segment, a fourth metal line segment and a fifth metal line segment; the first metal block, the second metal block, the N middle metal blocks, the penultimate metal block and the last metal block are respectively formed on the peripheral sides of a first resonance hole, a second resonance hole, N middle resonance holes, a penultimate resonance hole and a last resonance hole, and a first sub-frame area, a second sub-frame area, N middle sub-frame areas, a penultimate sub-frame area and a last sub-frame area are respectively formed on the peripheral sides of the first metal block, the second metal block, the N middle metal blocks, the penultimate metal block and the last metal block.
Description
technical field [0001] The invention relates to a novel dielectric filter. Background technique [0002] Generally, a dielectric filter is composed of a dielectric block made of ceramic material and a plurality of coaxial resonant holes passing through the dielectric block. The dielectric filter requires the minimum insertion loss in the passband and the minimum attenuation ratio outside the passband to ensure the quality of signal transmission in the communication system. The open surface of the dielectric filter is coated with metal patterns. The design of these patterns will be different according to the working frequency spectrum required by the communication system. When the near-end suppression index of the device is high, it is usually unable to take into account the sub-far-end suppression requirements, which will affect the quality of the communication signal. Contents of the invention [0003] The invention provides a novel dielectric filter, which includes: ...
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IPC IPC(8): H01P1/20H01P1/208
CPCH01P1/2002H01P1/208H01P1/2056
Inventor 吴飞甲张元元邵国云江琴吴腾杰罗绍谨卢冠宇谢凯南
Owner JIAXING GLEAD ELECTRONICS CO LTD