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Four-mode band-pass filter based on 1/3 equilateral triangular substrate integrated resonator

A technology that integrates resonators and equilateral triangles, applied in the field of millimeter waves, can solve problems such as inaccurate processing, and achieve the effect of simple and compact structure, wide passband bandwidth, and easy industrial processing

Active Publication Date: 2015-05-27
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

When the design size of millimeter-wave devices is reduced to a certain extent, due to the limitations of industrial processing technology, it will not be possible to process accurately

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  • Four-mode band-pass filter based on 1/3 equilateral triangular substrate integrated resonator
  • Four-mode band-pass filter based on 1/3 equilateral triangular substrate integrated resonator
  • Four-mode band-pass filter based on 1/3 equilateral triangular substrate integrated resonator

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Embodiment Construction

[0023] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0024] The basic unit of the present invention is a 1 / 3 equilateral triangular substrate integrated resonator. The vertical segment of the can be divided.

[0025] A four-mode bandpass filter based on a 1 / 3 equilateral triangular substrate integrated resonator, including a resonator cavity, an elliptical metallized through hole and two microstrip lines. Such as figure 1 with figure 2 As shown, the resonator cavity includes a top metal layer 1, a dielectric substrate 2 and a bottom metal layer 4 parallel to each other from top to bottom, and the top metal layer 1, dielectric substrate 2 and bottom metal layer 4 are Planar quadrilaterals that are congruent to each other, said planar quadrilateral includes a first side, a second side, a third side and a fourth side, the angle between the first side and the second side is 60°, and the third...

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Abstract

The invention discloses a four-mode band-pass filter based on a 1 / 3 equilateral triangular substrate integrated resonator. The four-mode band-pass filter comprises a resonator cavity body, an elliptic metalized through hole and two microstrip lines. The resonator cavity body comprises a top metal layer, a dielectric substrate and a bottom metal layer in sequence from top to bottom, the microstrip lines are connected with the resonator cavity body respectively to form the complete resonator, and the elliptic metalized through hole is formed in the resonator. The four-mode band-pass filter is simple in structure, easy to machine, wide in working bandwidth and good in electric performance, and solves a conflict between expansion of a frequency range of the filter and more difficulties in industrial machining.

Description

technical field [0001] The invention belongs to the technical field of millimeter waves, and in particular relates to a four-mode bandpass filter based on a 1 / 3 equilateral triangular substrate integrated resonator. Background technique [0002] In modern wireless communication, the microwave frequency band communication system has a lot of services, and the frequency resources are extremely tight. Future communication technology is developing towards a higher frequency band—millimeter wave. As a part used to separate signals, a filter is one of the key parts in a wireless communication system. Triangular substrate integrated resonators have the characteristics of high quality factor, low insertion loss, compact structure, high power capacity, etc., and are widely used in modern communications. As the frequency range continues to increase, the size of millimeter wave devices will continue to shrink. When the design size of millimeter-wave devices is reduced to a certain ex...

Claims

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Application Information

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IPC IPC(8): H01P1/203H01P7/10
Inventor 许锋郑朝义
Owner NANJING UNIV OF POSTS & TELECOMM
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