Five-level microstrip line bridge

A technology of stripline bridge and microstrip line, which is applied in the direction of circuits, electrical components, connecting devices, etc., can solve the problems of high processing precision, limited bandwidth, limited application, etc., and achieve the effect of reducing the precision of processing requirements

Inactive Publication Date: 2016-10-26
ANHUI XINBANG PLASTIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Microstrip line design, its bandwidth is limited, and it is generally difficult to exceed four times the frequency;
[0004] 2. The design of the stripline cavity also faces bandwidth limitations, and it is difficult to exceed the frequency of 700-2700MHz. Once the bandwidth is widened and the stripline is lengthened, the rigidity of the stripline is difficult to guarantee, and it is easy to deform. The actual trial-produced produ

Method used

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  • Five-level microstrip line bridge
  • Five-level microstrip line bridge

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Embodiment Construction

[0015] refer to Figure 1-2 , a five-level microstrip line bridge, which is composed of a cavity 1, a cover plate 2, a circuit board 3, a dielectric plate 4, and an additional dielectric plate 5. The cover plate 2 is installed above the cavity 1, and the cavity 1 is set There is a circuit board 3, the upper and lower sides of the circuit board 3 are respectively provided with a microstrip line 6, the four ends of the microstrip line 6 can be connected to the outside through the cavity 1, and the upper and lower sides of the circuit board 3 are respectively provided with a dielectric board 4, Additional dielectric plates 5 are provided on the outside of the dielectric plate 4, and the microstrip lines 6 are composed of a first-level coupling area 6.1, a second-level coupling area 6.2, a third-level coupling area 6.3, a fourth-level coupling area 6.4, and a fifth-level coupling area. 6.5 composition, viewed from a top view, the first-level coupling regions 6.1 of the two microst...

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Abstract

A five-level microstrip line bridge relates to the technical field of bridges. The five-level microstrip line bridge is composed of a cavity, a cover plate, a circuit board, medium plates and additional medium plates. The cover plate is installed above the cavity. The cavity is internally provided with the circuit board. Upper and lower surfaces of the circuit board are respectively provided with a microstrip line. Four ends of the microstrip line are connected with the outer parts through the cavity. The medium plates are arranged above and below the circuit board, and the additional medium plates are respectively arranged outside the medium plates. According to the invention, the symmetric design of coupling stripline five-level microstrip lines is adopted, the coverage bandwidth requirement of a general cylindrical coupling rod bridge is met, the conditions that the stripline is too long to ensure the rigidity and is liable to deform are also changed, and the machining precision, the assembling requirements and the production cost in the production process are also lowered.

Description

Technical field: [0001] The invention relates to the technical field of electric bridges, in particular to a microstrip line electric bridge. Background technique: [0002] The frequency of the widely used 3dB bridge is between 800-2500MHz. This frequency covers the main frequency of mobile communication, and also covers the general frequency of 3G. Due to the popularization of digital TV, the original analog signal gradually cancels the frequency of 700MHz. It may be used in 3G products. If you want full-band coverage, you need bridges and power splitters with wider bandwidths to cover more frequency bands. Existing bridges generally use the following designs , but each has its own drawbacks: [0003] 1. Microstrip line design, its bandwidth is limited, and it is generally difficult to exceed four times the frequency; [0004] 2. The design of the stripline cavity also faces bandwidth limitations, and it is difficult to exceed the frequency of 700-2700MHz. Once the bandwi...

Claims

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Application Information

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IPC IPC(8): H01P5/12
CPCH01P5/12
Inventor 戴爱谷
Owner ANHUI XINBANG PLASTIC CO LTD
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