CN104701594A - Circulator device - Google Patents
Circulator device Download PDFInfo
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- CN104701594A CN104701594A CN201510139500.8A CN201510139500A CN104701594A CN 104701594 A CN104701594 A CN 104701594A CN 201510139500 A CN201510139500 A CN 201510139500A CN 104701594 A CN104701594 A CN 104701594A
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- circulator
- circulator device
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Abstract
The invention discloses a circulator device. Three ports of a circuit structure are symmetrically distributed in the 120 degrees direction, and the incident wave of any port is orderly sent to the next port according to a certain direction; the first part of the circuit is composed of an inductor; one end of the first part of the circuit is connected with the port 1 (Port 1) while the other end is connected with a common port; the second part of the circuit corresponding to the port 2 (Port 2) and the third part of the circuit corresponding to the port 3 (Port 3) are the same in structure; the three parts of the circuit are connected with a series resonator through the common port, and the other end of the series resonator is connected with the ground; the three parts of the circuit are connected through coupling capacitors. The circulator device can be broadly used in a wireless mobile communication system; the circulator device is simple in structure, small in volume, convenient to use, excellent in performance and easy to integrate circuit.
Description
Technical field
The invention belongs to circulator device, particularly a kind of lumped element circulator device.
Background technology
In the last few years, a series of research about circulator device had been carried out both at home and abroad.In specific frequency range, get
Obtained many achievements, be especially used in WCDMA technology.Circulator is a kind of nonreciprocal many easily mouthpart parts, has along specific direction signal transmission, and the characteristic of opposite direction isolation signals; Important effect is had in the systems such as microwave communication, electronic countermeasures, microwave measurement, phased array radar assembly.As in the base station and mobile system of mobile communication, the common apparatus that circulator is connected with antenna as sending and receiving circuit; At launching and receiving end as the buffer action of power amplifier, switching amplifier and the decoupling effect in measuring system etc., to reach protection system, to improve the object of the stability of a system and reliability.
And traditional circulator device is due to the problem of its circuit structure, make temperature sensitivity extremely strong, applicability is very limited.The present invention is directed to above problem, can effectively solve, to meet system requirements, and stability is high, volume is little, processing is simple, applied widely.
Summary of the invention
The circulator device that the object of the invention is to provide a kind of lump type components and parts to build, has belt effect, structure is simple, volume is little, stability is high, temperature sensitivity is relatively little.
The technical scheme realizing the object of the invention is: a kind of circulator, comprises three port ones (Port1), port 2(Port2) and port 3(Port3); This circuit structure three ports are pressed
direction is symmetric, and by the incident wave of arbitrary port, imports next port into according to certain orientation order.Part I circuit electricity is by inductance
form.Part I circuit on one side is connected with port one (Port1), another termination common port; With port 2(Port2) with port 3(Port3) corresponding to Part II, Part III circuit structure identical.Three partial circuits by common port with
series resonator is connected,
the other end of series resonator is connected to the ground and connects; Three partial circuits are coupled between two, respectively by coupling capacitance
be connected; Each port all connects 100 ohmages.Each device all adopts lamped element to realize.Its circuit structure can realize signal and go in ring in 1KMz-10GHz frequency range.
Compared with prior art, because the present invention adopts lump structural components to process, the remarkable advantage brought is: (1) signal attenuation is less; (2) small volume; (3) out-of-band noise suppresses good; (4) good stability; (5) temperature-insensitive is strong; Be applicable in the various mobile communication system higher to performance requirement.
Accompanying drawing explanation
Fig. 1 is a kind of circulator installation drawing of the present invention.
Fig. 2 is a kind of circulator device of the present invention S parameter performance diagram.
Fig. 3 is a kind of circulator device of the present invention phase characteristic figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Composition graphs 1, the present invention is a kind of circulator, and the example choosing certain wave band is described in detail, and comprises three port ones (Port1), port 2(Port2) and port 3(Port3); This circuit structure three ports are pressed
direction is symmetric, and by the incident wave of arbitrary port, imports next port into according to certain orientation order.Part I circuit electricity is by inductance
form.Part I circuit on one side is connected with port one (Port1), another termination common port; With port 2(Port2) with port 3(Port3) corresponding to Part II, Part III circuit structure identical.Three partial circuits by common port with
series resonator is connected,
the other end of series resonator is connected to the ground and connects; Three partial circuits are coupled between two, respectively by coupling capacitance
be connected; Each port all connects 100 ohmages.Each device all adopts lamped element to realize.Its circuit structure can realize signal and go in ring in 1KMz-10GHz frequency range.
Composition graphs 2, can find out by simulation result, S parameter reaches certain requirement; Composition graphs 3 can be found out, in free transmission range, circulator performance linear phase characteristic, composition graphs 2, Fig. 3, represent that invention design performance is good, can meet the requirement of system.
A kind of circulator of the present invention, composition graphs 1, its operation principle is summarized as follows: three port ones (Port1), port 2(Port2) and port 3(Port3); This circuit structure three ports are pressed
direction is symmetric, and by the incident wave of arbitrary port, imports next port into according to certain orientation order.Part I circuit electricity is by inductance
form.Part I circuit on one side is connected with port one (Port1), another termination common port; With port 2(Port2) with port 3(Port3) corresponding to Part II, Part III circuit structure identical.Three partial circuits by common port with
series resonator is connected,
the other end of series resonator is connected to the ground and connects; Three partial circuits are coupled between two, respectively by coupling capacitance
be connected; Each port all connects 100 ohmages.Each device all adopts lamped element to realize.Its circuit structure can realize signal and go in ring in 1KMz-10GHz frequency range.
The main circuit of a kind of circulator of the present invention is made up of lamped element, processes simple, functional, can to meet system requirements.
Claims (2)
1. a circulator device, is characterized in that: comprise three port ones (Port1), port 2(Port2) and port 3(Port3); This circuit structure three ports are pressed
direction is symmetric, and by the incident wave of arbitrary port, imports next port into according to certain orientation order; Part I circuit electricity is by inductance
form.Part I circuit on one side is connected with port one (Port1), another termination common port; With port 2(Port2) with port 3(Port3) corresponding to Part II, Part III circuit structure identical; Three partial circuits by common port with
series resonator is connected,
the other end of series resonator is connected to the ground and connects; Three partial circuits are coupled between two, respectively by coupling capacitance
be connected; Each port all connects 100 ohmages.
2. according to the circulator device described in claim 1, it is characterized in that: each device all adopts lamped element to realize, its circuit structure can realize signal and go in ring in 1KMz-10GHz frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139500.8A CN104701594A (en) | 2015-03-29 | 2015-03-29 | Circulator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139500.8A CN104701594A (en) | 2015-03-29 | 2015-03-29 | Circulator device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104701594A true CN104701594A (en) | 2015-06-10 |
Family
ID=53348490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510139500.8A Pending CN104701594A (en) | 2015-03-29 | 2015-03-29 | Circulator device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104701594A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112385080A (en) * | 2018-06-29 | 2021-02-19 | Hrl实验室有限责任公司 | Method and apparatus for integrated shielded circulator |
| CN116259944A (en) * | 2023-02-22 | 2023-06-13 | 东南大学 | Circulator based on principle of space-time symmetry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1246966A (en) * | 1997-12-08 | 2000-03-08 | Tdk株式会社 | Irreversible circuit element |
| JP2003110309A (en) * | 2001-09-27 | 2003-04-11 | Murata Mfg Co Ltd | Non-reciprocal circuit device and communication device |
| CN101834329A (en) * | 2010-05-13 | 2010-09-15 | 西安俊采电子科技有限公司 | Miniature isolator |
-
2015
- 2015-03-29 CN CN201510139500.8A patent/CN104701594A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1246966A (en) * | 1997-12-08 | 2000-03-08 | Tdk株式会社 | Irreversible circuit element |
| JP2003110309A (en) * | 2001-09-27 | 2003-04-11 | Murata Mfg Co Ltd | Non-reciprocal circuit device and communication device |
| CN101834329A (en) * | 2010-05-13 | 2010-09-15 | 西安俊采电子科技有限公司 | Miniature isolator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112385080A (en) * | 2018-06-29 | 2021-02-19 | Hrl实验室有限责任公司 | Method and apparatus for integrated shielded circulator |
| CN112385080B (en) * | 2018-06-29 | 2021-11-09 | Hrl实验室有限责任公司 | Method and apparatus for integrated shielded circulator |
| WO2024159590A1 (en) * | 2023-02-02 | 2024-08-08 | 东南大学 | Circulator based on principle of parity-time symmetry |
| CN116259944A (en) * | 2023-02-22 | 2023-06-13 | 东南大学 | Circulator based on principle of space-time symmetry |
| CN116259944B (en) * | 2023-02-22 | 2024-01-30 | 东南大学 | Circulator based on principle of space-time symmetry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |