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Double-Y-shaped patch type circulator

A patch type, circulator technology, applied in the direction of waveguide type devices, electrical components, circuits, etc., can solve the problems of complex design and large volume of the circulator, and achieve the effect of good circulation performance, small size and large isolation.

Inactive Publication Date: 2020-07-17
ZHONGBEI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned technical problems of complex design and large volume of the circulator, the present invention provides a double Y-shaped chip type circulator with simple and symmetrical structure, small volume, light weight, easy processing and high efficiency

Method used

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  • Double-Y-shaped patch type circulator
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Embodiment

[0032] Such as image 3 Shown is a schematic diagram of the insertion loss of the present invention, and within the frequency range of 3.5-8.5GHz, the insertion loss is below 0.3dB.

[0033] Such as Figure 4 Shown is a schematic diagram of the isolation of the present invention, in the frequency range of 3.5-8.5GHz, the isolation is above 20dB.

[0034] Such as Figure 5 Shown is a schematic diagram of the return loss of the present invention, in the frequency range of 3.5-8.5GHz, the return loss is greater than 20dB.

[0035] Such as Figure 6 Shown is a schematic diagram of the standing wave ratio of the present invention, in the frequency range of 3.5-8.5GHz, the standing wave ratio is less than 1.2.

[0036] It can be seen that the present invention has smaller insertion loss, larger isolation, larger return loss and smaller standing wave ratio in the actual application process.

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Abstract

The invention belongs to the technical field of ferrite circulators. The invention relates to a circulator, in particular to a double-Y-shaped patch type circulator. The filter comprises a double-Y-shaped microstrip matching line, a central junction, an upper-layer circular ferrite, a lower-layer circular ferrite, a substrate and a metal grounding plate, wherein the double-Y-shaped microstrip matching line is connected with the central junction, the double-Y-shaped microstrip matching line and the central junction are arranged between the upper-layer circular ferrite and the lower-layer circular ferrite, the upper-layer circular ferrite and the lower-layer circular ferrite are embedded in the substrate, and the metal grounding plate is arranged on the substrate. The ferrite is of a circular double-layer ferrite structure, compared with a single-layer ferrite structure, the gyromagnetic characteristic of the double-layer ferrite structure is better, and the reliability of the circulatoris improved through the double-layer ferrite structure. The device is simple and symmetrical in structural design, small in size, light in weight, simple in structure and easy to process. The invention is used for realizing the one-way transmission of the control microwave signal.

Description

technical field [0001] The invention belongs to the technical field of ferrite circulators, and in particular relates to a double Y-shaped patch type circulator. Background technique [0002] Ferrite circulator technology is a technology that utilizes the gyromagnetic properties of gyromagnetic ferrite materials under the combined action of DC magnetic field and microwave field to make electromagnetic wave unidirectional circular transmission, thereby realizing the circulator's circular characteristics. The usual microwave ferrite circulator is a three-port non-reciprocal device. Among them, the microstrip three-port circulator is used the most. If the direction of the bias magnetic field changes, the circular direction of the electromagnetic wave in the circulator will also change. . Ferrite circulators play an important role in modern radar and microwave multi-channel communication systems. They can be used as connection devices between transceivers and antennas in commun...

Claims

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Application Information

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IPC IPC(8): H01P1/387
CPCH01P1/387
Inventor 吴倩楠范丽娜李孟委韩路路王姗姗
Owner ZHONGBEI UNIV
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