A kind of ceramic dielectric waveguide filter for 5g base station and preparation method thereof
A waveguide filter and ceramic dielectric technology, applied in waveguide devices, resonators, circuits, etc., can solve the problems of complex operation, high cost, unfavorable maintenance and replacement, etc., and achieve the effect of simple operation and low maintenance cost
Active Publication Date: 2021-11-02
衡阳市衡山科学城科技创新服务有限公司
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Problems solved by technology
[0003] The general line dielectric waveguide filter is composed of several ceramic resonators. There are blind holes on the ceramic resonators. The deeper the depth of the blind holes, the greater the capacitive coupling strength between adjacent ceramic resonators. The existing 5G Ceramic dielectric waveguide filters for base stations often have the following disadvantages: 1. The thickness of the metal coating at the bottom of the polished blind hole affects the capacitive coupling strength between adjacent ceramic resonators in existing dielectric waveguide filters. Adjustment, the operation method is complicated, and the cost is high; 2. The existing ceramic resonator has an integrated structure, which is not conducive to maintenance and replacement, and the cost is high
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[0019] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.
[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is 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 orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood ...
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The invention discloses a ceramic dielectric waveguide filter for a 5G base station and a preparation method thereof, comprising a ceramic resonator, a blind hole is opened at the rear of the upper end of the ceramic resonator, and a bottom column is slidingly connected to the bottom of the blind hole, so that There is a bottom groove at the front of the lower end of the bottom column, and a movable hole is opened at the lower front end of the ceramic resonator, and the movable hole communicates with the lower part of the blind hole, and a lifting device is slidably connected in the movable hole, and the ceramic resonator The lower part of the front end of the device is fixedly connected with a connecting plate, and the middle part of the front end of the connecting plate is connected with bearings, and the connecting plate communicates with the inside of the movable hole through the bearing. The front end of the connecting plate is provided with a driving device, and the rear part of the driving device is located in the movable hole Inside. The ceramic dielectric waveguide filter for 5G base stations and the preparation method thereof according to the present invention can conveniently adjust the depth of blind holes, thereby adjusting the capacitive coupling strength between adjacent ceramic resonators, and the operation is simple.
Description
technical field [0001] The invention relates to the technical field of waveguide filters, in particular to a ceramic dielectric waveguide filter for 5G base stations and a preparation method thereof. Background technique [0002] With the rapid development of communication systems entering the 5G era, the miniaturization of components has become the key to the development of communication equipment, and filters (such as waveguide filters), as key components in wireless communication, will also develop in the direction of miniaturization . As a new material with high dielectric constant, ceramic material can be applied to waveguide filters, and the air-filled form of traditional waveguide filters is improved into a high-dielectric constant ceramic material filled form, in which ceramic materials are molded by die-casting to play a role The role of signal transmission and structural support, while the metal material is attached to the surface of the ceramic material as an ele...
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IPC IPC(8): H01P1/20H01P7/10
CPCH01P1/2002H01P7/10
Inventor 刘河洲
Owner 衡阳市衡山科学城科技创新服务有限公司