CN103403955B - Circulator, isolator and circuit assembly - Google Patents
Circulator, isolator and circuit assembly Download PDFInfo
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- CN103403955B CN103403955B CN201380000128.1A CN201380000128A CN103403955B CN 103403955 B CN103403955 B CN 103403955B CN 201380000128 A CN201380000128 A CN 201380000128A CN 103403955 B CN103403955 B CN 103403955B
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- circulator
- ground pin
- isolator
- port
- pcb
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/36—Isolators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
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Abstract
The embodiment of the invention discloses a circulator, an isolator and a circuit assembly. The circulator comprises a shell and an internal component, the shell comprises a ground pin, and the ground pin is used to connect a printed circuit board. By employing the circulator of the embodiment, the quality of a port signal can be improved, thereby improving the stability of a whole communication system. The embodiment of the invention also discloses the isolator and the circuit assembly.
Description
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of circulator, isolator and circuit unit.
Background technology
Circulator or isolator are a kind of multiport devices, and wherein electromagnetic transmission is gone in ring along one direction, are isolation in the other direction, or derotation.
The principle of circulator is magnetic field bias Ferrite Material anisotropic properties.Make medium with Ferrite Material, above put conduction band structure, add stationary magnetic field, just make circulator have circular nature.If change the direction of bias magnetic field, belt direction will change.One direction to be used in the base station system to go in ring the device of characteristic, such as, commonly use circulator at base station power amplification output port and carry out signal isolation, avoid occurring that signal pours in down a chimney.
Circulator or isolator are mainly used in wireless communication system, to perform such as stable operation power amplifier, impedance matching, to remove the function of reflected wave etc., thus wireless communication system stable in play remarkable effect.Circulator has irreversibility, the function that circulator realizes isolating by installing the end resistor being connected to a terminal of this circulator, namely forms isolator.
This circulator or isolator can be divided into and be applicable to mobile communication terminal or transponder and the lumped element type circulator being applicable to miniature device or isolator and be applicable to the distributed component type circulator of high power system or the isolator of such as base station etc.Compared with other monolithic devices elements that distribute, embedded isolator is conducive to its small size and light weight, has the good characteristics such as such as insertion loss is low, isolation is good.
In prior art, isolator or circulator when mounted, if ground connection is bad, affect port signal (as the signal of input port, or the signal of output port) quality, affect isolator or circulator application in a base station, and then affect the performance of whole communication system.
Summary of the invention
In view of this, embodiments provide a kind of circulator, isolator and circuit unit, to improve port performance, improve the quality of port signal.
First aspect, provide a kind of circulator, comprise shell and internal structure, described shell is for the formation of the spatial accommodation for holding internal structure, described internal structure comprises input port, output port and isolated port, and input port is used for the input of signal, output port is used for the output of signal, and isolated port is for the contrary signal in the direction of the signal of isolating direction and fan-in mouth; Described internal structure outputs signal to output port for making the mode of going in ring with one direction from the signal of input port input, and it is characterized in that, described shell includes ground pin, and described ground pin is used for described circulator ground connection.
In the first possibility implementation of first aspect, the quantity of described ground pin is at least one.
May implementation in conjunction with the first of first aspect or first aspect, in the implementation that the second is possible, described ground pin is arranged at least one one or both sides of input port and output port.
In conjunction with the implementation that first or the second of first aspect or first aspect are possible, in the implementation that the third is possible, described ground pin scribbles the solder that tin or tin alloy material are formed.
In conjunction with first aspect or first aspect first to the arbitrary implementation in the third arbitrary possible implementation, in the 4th kind of possible implementation, one end of described ground pin is for connecting circulator shell, and the other end is for connecting printed circuit board (PCB).
In conjunction with the arbitrary implementation in first to fourth kind of arbitrary possible implementation of first aspect or first aspect, in the 5th kind of possible implementation, described shell comprises installing hole, described installing hole be used for by fixing for described shell on a printed circuit; One end of described ground pin is fixed on described installing hole, and the ground pin other end is for being connected to printed circuit board (PCB).
In conjunction with the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, one end of described ground pin is circular ring plate, and the other end is circular ring plate or silver.
Second aspect, provides a kind of isolator, and comprise in conjunction with the circulator described in the arbitrary implementation in first to the 6th kind of arbitrary possible implementation of first aspect or first aspect and resistor, described resistor is connected with isolated port.
The third aspect, provides a kind of circuit unit, comprises first aspect or first to the 6th kind of circulator described in arbitrary possible implementation of first aspect or the isolator described in second aspect and printed circuit board (PCB); Described circulator or isolator are connected with printed circuit board (PCB) by shell, wherein, the shell of circulator or isolator is fixed by screws on printed circuit board (PCB), the output port of described circulator or isolator is connected the holding wire of printed circuit board (PCB) with input port, described ground pin connects the ground of printed circuit board (PCB).
By the isolator of the embodiment of the present invention, circulator and circuit unit, circulator or isolator and PCB ground connection is made by ground pin, port performance can be improved, improve the quality of port signal, ensure the continuous of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
Accompanying drawing explanation
The perspective view of the circulator that Fig. 1 a provides for the embodiment of the present invention;
The vertical view of the circulator that Fig. 1 b provides for the embodiment of the present invention;
The perspective view of the circulator that Fig. 2 a provides for the embodiment of the present invention;
The vertical view of the circulator that Fig. 2 b provides for the embodiment of the present invention;
The perspective view of the circulator that Fig. 3 a provides for the embodiment of the present invention;
The vertical view of the circulator that Fig. 3 b provides for the embodiment of the present invention;
The perspective view of the circulator that Fig. 4 a provides for the embodiment of the present invention;
The vertical view of the circulator that Fig. 4 b provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described, be understandable that the technical scheme in the embodiment of the present invention, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The schematic diagram of the circulator that Fig. 1 a and Fig. 1 b provides for the embodiment of the present invention, wherein, Fig. 1 a is perspective view, Fig. 1 b is vertical view, as shown in Figure 1a, this circulator comprises shell 22 and internal structure 33, described shell can comprise case and base, also integrally can be made up of both, described shell 22 passes through installing hole, as the screw 44 of corner in figure, be fixed on printed circuit board (PCB) 55 (printedcircuit board, PCB) on, shell 22 forms the spatial accommodation holding internal structure, the mode that described internal structure is used for going in ring from the signal of input port input with one direction outputs signal to output port,
As shown in Figure 1 b, internal structure can comprise input port 101, output port 102 and isolated port 103, input port 101 and output port 102 are positioned at the both sides of circulator, input port 101 is for the input of signal, output port 102 is for the output of signal, isolated port 103 is for the contrary signal in the direction of the signal (namely to the effective signal of system works) of isolating direction and fan-in mouth, optionally, input port 101 and output port 102 can oppositely use as required, namely, input port 101 is used as output port, accordingly, output port 102 is used as input port.
As shown in Figure 1a, internal structure 33 can be made up of different components according to different circulators, for electronic circular device, internal structure 33 can include ferrite, connector, magnet and pole piece, described component combines signal one direction is gone in ring in a particular manner.
Shell contains ground pin, and ground pin is used for making circulator ground connection, and in the present embodiment, as shown in Figure 1a, the quantity of ground pin is at least one, and ground pin is arranged at least one one or both sides of input port and output port.In one embodiment of the invention, the quantity of ground pin is 4, lay respectively at input port and output port both sides, as shown in Figure 1 b, two ground pin ones 011 and 1012 lay respectively at the both sides of input port 101, two ground pin ones 021 and 1022 lay respectively at the both sides of output 102, are respectively used to the ground wire of connection PCB.Described ground pin can scribble the solder that the material such as tin or ashbury metal is formed, so that welding.
Optionally, isolated port 103 is connected with resistor, to realize isolator.
The circulator adopting the embodiment of the present invention to provide or isolator, circulator or isolator and PCB ground connection can be made by ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, ensure the continuity of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
In another embodiment of the present invention, as shown in figures 2 a and 2b, internal structure comprises input port 201, output port 202 and isolated port 203, input port 201 and output port 202 are positioned at the same side of circulator, this structure can make the design of PCB cabling more flexible, is convenient on PCB, arrange circulator and makes its input port and output port all closer to PCB cabling, and then the grounding design of ground pin also can be more flexible;
Input port 201 is for the input of signal, output port 202 is for the output of signal, isolated port 203 is for the contrary signal of the signal (namely to the effective signal of system works) of isolating direction and fan-in mouth, optionally, input port 201 and output port 202 can oppositely use as required, that is, input port 201 is used as output port, accordingly, output port 202 is used as input port.
Shell contains ground pin, ground pin is used for making circulator ground connection, and the quantity of ground pin is at least one, in the present embodiment, the quantity of ground pin is 4, lay respectively at input port and output port both sides, as shown in Figure 2 b, two ground pin twos 011 and 2012 lay respectively at the both sides of input 201, two ground pin twos 021 and 2022 lay respectively at the both sides of output 202, be respectively used to the ground wire of connection PCB, described ground pin can scribble the solder that the material such as tin or ashbury metal is made, so that welding.。
Optionally, isolated port 203 is connected with resistor, to realize isolator.
The circulator adopting the embodiment of the present invention to provide or isolator, circulator or isolator and PCB ground connection can be made by ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, ensure the continuous of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
The schematic diagram of the circulator that Fig. 3 a and Fig. 3 b provides for another embodiment of the present invention, wherein, Fig. 3 a is perspective view, and Fig. 3 b is vertical view, as shown in Figure 3 a, this circulator comprises shell 22 and internal structure 33, and described shell passes through installing hole, as the screw 44 of corner, be fixed on printed circuit board (PCB) 55, described shell forms spatial accommodation, holds internal structure, and described internal structure is used for signal one direction is gone in ring;
As shown in Figure 3 b, internal structure comprises input port 301, output port 302 and isolated port 303, input port 301 and output port 302 are positioned at the both sides of circulator, input port 301 is for the input of signal, output port 302 is for the output of signal, isolated port 303 is for the contrary signal of the signal (namely to the effective signal of system works) of isolating direction and fan-in mouth, optionally, input port 301 and output port 302 can oppositely use as required, namely, input port 301 is used as output port, accordingly, output port 302 is used as input port.Optionally, isolated port 303 is connected with resistor, to realize isolator.
Internal structure 33 with reference to the description in other embodiments, can not repeated at this.
The circulator that the embodiment of the present invention provides or isolator also comprise ground pin, described ground pin is used for making circulator or isolator ground connection, wherein, the quantity of ground pin is at least one, in the present embodiment, the quantity of ground pin is two, as shown in Figure 3 b, ground pin 3011 and ground pin 3021, ground pin is circular ring plate near one end of circulator, this circular ring plate can be connected on circulator by the mode such as screw or welding, and the other end of ground pin is another circular ring plate be connected with aforementioned circular ring plate, can be connected on the ground wire of PCB by the mode such as screw or welding;
Optionally, the circulator that another embodiment of the present invention provides or isolator comprise ground pin, optionally, the quantity of ground pin is two, as shown in Figure 4 b, and ground pin 4011 and ground pin 4021, ground pin is circular ring plate near one end of circulator, this circular ring plate can be connected on circulator by the mode such as screw or welding, and the other end of ground pin is strip piece, can be connected on the ground wire of PCB by the mode such as screw or welding.
The circulator adopting the embodiment of the present invention to provide or isolator, circulator or isolator and PCB ground connection can be made by ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, ensure the continuous of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
Another embodiment provided by the invention, a kind of circuit unit, comprises circulator or isolator, and printed circuit board (PCB), and described circulator or isolator are described in detail in previous embodiments, repeat no more herein.Described circulator or isolator are connected with printed circuit board (PCB) by base, wherein, the base through screws of circulator or isolator is fixing on a printed circuit, the output port of described circulator or isolator and input port are connected on the holding wire of printed circuit board (PCB), and ground pin is connected to the ground of printed circuit board (PCB).The description of concrete ground pin see other embodiments of the invention, can not repeat them here.
Adopt the circuit unit that the embodiment of the present invention provides, circulator or isolator and PCB ground connection can be made by ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, ensure the continuous of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
The embodiment of the present invention also provides a kind of method manufacturing circulator or isolator, comprising:
Circulator shell and internal structure are combined, forms the spatial accommodation comprising described internal structure; Described internal structure comprises input port, output port and isolated port, input port is used for the input of signal, output port is used for the output of signal, and isolated port is for the contrary signal in the direction of the signal (namely to the effective signal of system works) of isolating direction and fan-in mouth;
Arrange ground pin on the housing, described ground pin is used for circulator or isolator ground connection.
Wherein, arrange ground pin on the housing specifically to comprise: arrange described ground pin near at least side of described input port or described output port on the housing.
Wherein, the quantity of described ground pin is at least one, and when the quantity of described ground pin is 4, the both sides of described input port and described output port arrange two described ground pins respectively.
Wherein, one end of described ground pin is welded on shell, the other end is for connecting printed circuit board (PCB), or described shell comprises installing hole, and described installing hole is used for described shell to fix on a printed circuit, one end of described ground pin is circular ring plate, be fixed on by described circular ring plate on described installing hole, the other end of described ground pin is another circular ring plate or silver of being connected with described circular ring plate, for being connected to printed circuit board (PCB).
Wherein, described circular ring plate is fixed on described installing hole and specifically comprises: by screw, described circular ring plate is fixed on described installing hole, and further, described screw can also for being fixed on printed circuit board (PCB) by described circulator.Or, described circular ring plate is fixed on described installing hole and specifically comprises: described circular ring plate is welded on described installing hole.
Above method can also comprise: weld a resistor in described isolated port.
The circulator adopting the manufacture method of circulator provided by the invention or isolator to obtain or isolator, circulator or isolator and PCB ground connection is made by ground pin, port performance can be improved, improve the quality of port signal, ensure the continuous of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
The embodiment of the present invention also provides a kind of method making circuit unit, comprising:
Circulator described by above embodiment is installed on a printed circuit, and the ground pin included by circulator is connected to the ground of described printed circuit board (PCB).
Adopt the circuit unit that the manufacture method of circuit unit provided by the invention obtains, circulator or isolator and PCB ground connection can be made by ground pin, improve the port performance of circulator or isolator, ensure the continuous of port signal, thus improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can use hardware implementing, or firmware realizes, or their compound mode realizes.When implemented in software, above-mentioned functions can be stored in computer-readable medium or as the one or more instruction on computer-readable medium or code and transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium being convenient to transmit computer program from a place to another place.Storage medium can be any usable medium that computer can access.Be not limited to as example: computer-readable medium can comprise RAM, ROM, EEPROM, CD-ROM or other optical disc storage, magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or storing the expectation with instruction or data structure form program code and can by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.Such as, if software be use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or such as infrared ray, radio and microwave and so on wireless technology from website, server or other remote source, so the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave and so on be included in affiliated medium fixing in.As used in the present invention, dish (Disk) and dish (disc) comprise compression laser disc (CD), laser dish, laser disc, Digital Versatile Disc (DVD), floppy disk and Blu-ray Disc, the copy data of the usual magnetic of its mid-game, dish then carrys out the copy data of optics with laser.Combination above also should be included within the protection range of computer-readable medium.
Be only several specific embodiment of the present invention above, obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a circulator, comprises shell and internal structure,
Described shell is for the formation of the spatial accommodation for holding internal structure;
Described internal structure comprises input port, output port and isolated port,
Input port is used for the input of signal, and output port is used for the output of signal, isolated port for the contrary signal of the sense of isolating direction and fan-in mouth,
Described internal structure outputs signal to output port for making the mode of going in ring with one direction from the signal of input port input;
It is characterized in that,
Described shell includes ground pin,
Described ground pin is used for described circulator ground connection, the ground wire of described ground pin connection PCB;
One end of described ground pin is for connecting circulator shell, and the other end is for connecting printed circuit board (PCB).
2. circulator according to claim 1, is characterized in that,
Described shell comprises installing hole, and described installing hole is used for described shell to fix on a printed circuit;
One end of described ground pin is fixed on described installing hole, and the ground pin other end is for being connected to printed circuit board (PCB).
3. circulator according to claim 2, is characterized in that, comprising:
One end of described ground pin is circular ring plate, and the other end is circular ring plate or silver.
4. the circulator according to claims 1 to 3 any one, is characterized in that,
The quantity of described ground pin is at least one.
5. the circulator according to claims 1 to 3 any one, is characterized in that,
Described ground pin is arranged at least one one or both sides of input port and output port.
6. the circulator according to claims 1 to 3 any one, is characterized in that,
Described ground pin scribbles the solder of tin or tin alloy material formation.
7. an isolator, is characterized in that, comprising: according to any one in claim 1 to 6
Described circulator and resistor,
Described resistor is connected with isolated port.
8. a circuit unit, is characterized in that, comprising: according to any one of claim 1 to 6 institute
The circulator stated or isolator according to claim 7, and printed circuit board (PCB);
Described circulator or isolator are connected with printed circuit board (PCB) by shell, and wherein, the shell of circulator or isolator is fixed by screws on printed circuit board (PCB), and the output port of described circulator or isolator is connected the holding wire of printed circuit board (PCB) with input port,
Described ground pin connects the ground of printed circuit board (PCB).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2013/070119 WO2014106338A1 (en) | 2013-01-06 | 2013-01-06 | Circulator, isolator and circuit assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103403955A CN103403955A (en) | 2013-11-20 |
| CN103403955B true CN103403955B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380000128.1A Active CN103403955B (en) | 2013-01-06 | 2013-01-06 | Circulator, isolator and circuit assembly |
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| Country | Link |
|---|---|
| CN (1) | CN103403955B (en) |
| WO (1) | WO2014106338A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532209B (en) * | 2016-12-30 | 2022-02-01 | 苏州小工匠机器人有限公司 | Microstrip isolator |
| JP6705472B2 (en) * | 2018-06-18 | 2020-06-03 | Tdk株式会社 | Non-reciprocal circuit device and communication device using the same |
| CN111129676B (en) * | 2020-01-14 | 2022-01-21 | 中国电子科技集团公司第九研究所 | Method for improving harmonic suppression performance of circulator and circulator |
| CN112399711B (en) * | 2020-09-28 | 2022-09-06 | 浙江三维利普维网络有限公司 | High-power amplifier module and high-power amplifier module assembling method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282990A (en) * | 1999-07-02 | 2001-02-07 | 株式会社村田制作所 | Non-reversible device and communication equipment using said device |
| CN101834329A (en) * | 2010-05-13 | 2010-09-15 | 西安俊采电子科技有限公司 | Miniature isolator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003158438A (en) * | 2001-11-22 | 2003-05-30 | Nippon Dengyo Kosaku Co Ltd | Pin diode attenuator |
| CN201956543U (en) * | 2010-12-14 | 2011-08-31 | 王孝银 | Device capable of realizing intercommunication of connector with PCB (printed circuit board) ground shielding system |
-
2013
- 2013-01-06 WO PCT/CN2013/070119 patent/WO2014106338A1/en active Application Filing
- 2013-01-06 CN CN201380000128.1A patent/CN103403955B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1282990A (en) * | 1999-07-02 | 2001-02-07 | 株式会社村田制作所 | Non-reversible device and communication equipment using said device |
| CN101834329A (en) * | 2010-05-13 | 2010-09-15 | 西安俊采电子科技有限公司 | Miniature isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014106338A1 (en) | 2014-07-10 |
| CN103403955A (en) | 2013-11-20 |
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