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Gyromagnetic Filter Resonant Circuit Structure

A resonant circuit and filter technology, applied in circuits, waveguide devices, electrical components, etc., can solve the problems of single function, low magnetic circuit space utilization, large volume, etc., to reduce volume and improve internal space utilization. Effect

Active Publication Date: 2021-08-27
SOUTHWEST INST OF APPLIED MAGNETICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing resonant circuit structure still has the disadvantages of single function, large volume, and low utilization rate of the internal space of the magnetic circuit.

Method used

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  • Gyromagnetic Filter Resonant Circuit Structure
  • Gyromagnetic Filter Resonant Circuit Structure
  • Gyromagnetic Filter Resonant Circuit Structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: See figure 1 , figure 1 For the prior art, a single-ball resonant coupling structure of a single traditional vibrating filter; can be seen from the figure, a total of five resonant mad spals, each resonant bulb is provided with a coupling ring, each coupling ring has 2 grounds Pins, a total of 10 ground pins, numbered in the order of illustration is 0-9.

[0018] In the case of an external magnetic field, the structure is only a flucenem magnetic filter, and its function is to form a band pass filter when energizing generating a magnetic field, and can change the size of the magnetic field by changing the current at the time of power. The center frequency of the bandpass filter forms a band pass filter that is adjustable in the center frequency. However, it has a single functional single, the internal space utilization rate of magnetic circuit is low, and the volume is defective.

Embodiment 2

[0019] Example 2: See Figure 2 to 6 A fluid filter resonant circuit structure comprising a vinity band pass filter including a signal input terminal 1, a signal output terminal 2, and a resonant circuit located in the magnetic circuit, the resonant circuit including numbers. An external resonant ball is provided with a coupled ring, the resonant bulb interlaced, two resonant balls located at both end portions, one connection signal input terminal 1, a connection signal output terminal 2, and the signal is in adjacent resonance small The ball is coupled from the input end to the output terminal; the coupling ring of the resonant ball of the connection signal input 1 is the first coupling ring 3, the coupling ring of the resonant mad ball of the connection signal output 2 is the second coupling ring 4, A single-knife double throw microwave switch 5 is serially connected in series with a coupling ring 3 and the second coupling ring 4.

[0020] The two single-knife double throw microw...

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PUM

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Abstract

The invention discloses a resonant circuit structure of a gyromagnetic filter, which includes a gyromagnetic pass filter. The gyromagnetic pass filter includes a signal input terminal, a signal output terminal and a resonant circuit located in a magnetic circuit. The resonant circuit includes Several resonant balls with coupling rings outside, the coupling ring connected to the resonant ball at the signal input end is the first coupling ring, the coupling ring connected to the resonant ball at the signal output end is the second coupling ring, the first coupling ring and the second coupling ring One ground terminal of the two coupling rings is respectively connected in series with a single-pole double-throw microwave switch. Based on the resonant circuit structure of the traditional gyromagnetic filter, the present invention adopts an integrated design of a coupling resonant structure and a microwave switch, and integrates peripheral functional units, such as filtering-through switching, into the product, thereby improving the internal space utilization of the product. Reduce the volume in disguise and realize the multi-functional requirements of the product.

Description

Technical field [0001] The present invention relates to a resonant circuit configuration, and more particularly to a fluid magnetic filter resonant circuit structure. Background technique [0002] The fluid-magnetic filter assembly includes a filtering unit, a driving unit, and a driving unit providing a controllable high stable current. Magnetic circuits in the filter unit cause a magnetic field excitation resonance circuit frequency resonance by controlling the current, and the resonance frequency can change the magnetic field after changing the magnetic field. Adjustable frequency adjustable Therefore, the working frequency is wideband tuning is the most important feature of the fluid filter, which also determines its magnetic circuit, drive, etc., should meet the corresponding design specifications. Therefore, the fluid filter assembly generally has a large volume, and the function is single. Under the current product miniaturization, multi-functional development trends, the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P1/20
CPCH01P1/20
Inventor 何志强蓝江河杨星星王大勇王源马涛王津丰
Owner SOUTHWEST INST OF APPLIED MAGNETICS