CN103403955A - Circulator, isolator and circuit assembly - Google Patents
Circulator, isolator and circuit assembly Download PDFInfo
- Publication number
- CN103403955A CN103403955A CN2013800001281A CN201380000128A CN103403955A CN 103403955 A CN103403955 A CN 103403955A CN 2013800001281 A CN2013800001281 A CN 2013800001281A CN 201380000128 A CN201380000128 A CN 201380000128A CN 103403955 A CN103403955 A CN 103403955A
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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
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, relates in particular 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, isolate in the other direction, or derotation.
The principle of circulator is magnetic field biasing Ferrite Material anisotropic properties.With Ferrite Material, make medium, on 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.In base station system, to use the device of the belt characteristic of one direction, for example, at base station power amplification output port circulator commonly used, carry out the signal isolation, avoid occurring that signal pours in down a chimney.
Circulator or isolator are mainly used in wireless communication system, to carry out such as stable operation power amplifier, impedance matching, to remove the function of reflected wave etc., thereby play remarkable effect in wireless communication system stable.Circulator has irreversibility, and circulator can be realized the function of isolating by the end resistor that installation is connected to a terminal of this circulator, namely forms isolator.
This circulator or isolator can be divided into lumped element type circulator or the isolator that is applicable to mobile communication terminal or transponder and is applicable to miniature device and be applicable to distributed component type circulator or the isolator such as the high power system of base station etc.With other distribution monolithic devices elements, compare, embedded isolator is conducive to its small size and light weight, has the good characteristics such as low such as insertion loss, that 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 the application in base station of isolator or circulator, and then affect the performance of whole communication system.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of circulator, and isolator and circuit unit, to improve the port performance, improve the quality of port signal.
First aspect, a kind of circulator is provided, comprise shell and internal structure, described shell is used to form be used to holding the spatial accommodation of internal structure, described internal structure comprises input port, output port and isolated port, and input port is for the input of signal, output port is for the output of signal, and isolated port is for the signal of the opposite direction of the signal of isolating direction and fan-in mouth; Described internal structure, is characterized in that to the output port output signal for the mode that makes to go in ring with one direction from the signal of input port input, and described shell includes the 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 possible implementation of the second, described ground pin is arranged at least one one or both sides of input port and output port.
In conjunction with the possible implementation of first or the second of first aspect or first aspect, in the third possible implementation, on described ground pin, scribble the scolder that tin or tin alloy material form.
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, an end of described ground pin is for connecting the circulator shell, the other end is for connecting printed circuit board (PCB).
In conjunction with the arbitrary implementation in the arbitrary possible implementation of first aspect or first aspect first to fourth kind, in the 5th kind of possible implementation, described shell comprises installing hole, and described installing hole is for being fixed on printed circuit board (PCB) by described shell; 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, an end of described ground pin is circular ring plate, and the other end is circular ring plate or silver.
Second aspect, provide a kind of isolator, comprises described circulator and the resistor of the arbitrary implementation in the arbitrary possible implementation of in conjunction with first aspect or first aspect first to the 6th kind, and described resistor is connected with isolated port.
The third aspect, provide a kind of circuit unit, comprises first to the 6th kind of described circulator of arbitrary possible implementation or the described isolator of second aspect and the printed circuit board (PCB) of first aspect or first aspect; 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).
Isolator, circulator and circuit unit by the embodiment of the present invention, by the ground pin, make circulator or isolator and PCB ground connection, can improve the port performance, improve the quality of port signal, guarantee the continuous of port signal, thereby improve stability and the reliability of whole circuit unit so that whole communication system, promote the performance of communication system.
The 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, the technical scheme in the embodiment of the present invention is clearly and completely described, be understandable that, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment that obtains, belong to the scope of protection of the invention.
the schematic diagram of the circulator that Fig. 1 a and Fig. 1 b provide 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 can be formed by both one, described shell 22 passes through installing hole, as the screw 44 of four jiaos in figure, be fixed on printed circuit board (PCB) 55 (printed circuit board, PCB) on, shell 22 forms the spatial accommodation that holds internal structure, the mode that described internal structure goes in ring with one direction for the signal from input port input is to the output port output signal,
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 be used to the signal of the opposite 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 as output port, accordingly, output port 102 is as input port.
As shown in Figure 1a, internal structure 33 can be comprised of different members according to different circulators, take the electronic circular device as example, internal structure 33 can include ferrite, connector, magnet and pole piece, described member make up in a particular manner so that the signal one direction is gone in ring.
Shell contains the ground pin, and the ground pin is 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 the 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 scolder that the materials such as tin or ashbury metal form, so that welding.
Optionally, isolated port 103 is connected with resistor, to realize isolator.
The circulator or the isolator that adopt the embodiment of the present invention to provide, can make circulator or isolator and PCB ground connection by the ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, guarantee the continuity of port signal, thereby 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 Fig. 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, be convenient to arrange circulator and make all more close PCB cablings of its input port and output port on PCB, and then the grounding design of ground pin also can be more flexible;
Shell contains the ground pin, the ground pin is 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 scolder that the materials such as tin or ashbury metal are made, so that welding.。
Optionally, isolated port 203 is connected with resistor, to realize isolator.
The circulator or the isolator that adopt the embodiment of the present invention to provide, can make circulator or isolator and PCB ground connection by the ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, guarantee the continuous of port signal, thereby 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 provide 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 is by installing hole, as the screws of four jiaos 44, be fixed on printed circuit board (PCB) 55, described shell forms spatial accommodation, holds internal structure, and described internal structure is for going in ring the signal one direction;
as shown in Fig. 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, signal (namely to system works effective signal) the opposite signal of isolated port 303 be used to isolating direction and fan-in mouth, optionally, input port 301 and output port 302 can oppositely use as required, namely, input port 301 is as output port, accordingly, output port 302 is as input port.Optionally, isolated port 303 is connected with resistor, to realize isolator.
The circulator that the embodiment of the present invention provides or isolator also comprise the ground pin, described ground pin is 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 Fig. 3 b, ground pin 3011 and ground pin 3021, the ground pin is circular ring plate near an end of circulator, this circular ring plate can be connected on circulator by modes such as screw or welding, and the other end of ground pin is another circular ring plate that is connected with aforementioned circular ring plate, can be connected on the ground wire of PCB by modes such as screw or welding;
Optionally, the circulator that another embodiment of the present invention provides or isolator comprise the ground pin, optionally, the quantity of ground pin is two, as shown in Figure 4 b, and ground pin 4011 and ground pin 4021, the ground pin is circular ring plate near an end of circulator, this circular ring plate can be connected on circulator by modes 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 modes such as screw or welding.
The circulator or the isolator that adopt the embodiment of the present invention to provide, can make circulator or isolator and PCB ground connection by the ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, guarantee the continuous of port signal, thereby 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, comprise circulator or isolator, and printed circuit board (PCB), described circulator or isolator are described in detail in each embodiment in front, 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 fixed on printed circuit board (PCB), the output port of described circulator or isolator and input port are connected on the holding wire of printed circuit board (PCB), and the ground pin is connected to the ground of printed circuit board (PCB).The description of concrete ground pin can, referring to other embodiments of the invention, not repeat them here.
The circuit unit that adopts the embodiment of the present invention to provide, can make circulator or isolator and PCB ground connection by the ground pin, improve the port performance of circulator or isolator, improve the quality of port signal, guarantee the continuous of port signal, thereby 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 of manufacturing circulator or isolator, comprising:
Circulator shell and internal structure are made up, form the spatial accommodation that comprises described internal structure; Described internal structure comprises input port, output port and isolated port, input port is for the input of signal, output port is for the output of signal, and isolated port is for the signal of the opposite direction of the signal (namely to the effective signal of system works) of isolating direction and fan-in mouth;
The ground pin is set on described shell, described ground pin is for circulator or isolator ground connection.
Wherein, specifically comprise the ground pin is set on described shell: at least one side near described input port or described output port on described shell arranges described ground pin.
Wherein, the quantity of described ground pin is at least one, and when the quantity of described ground pin was 4, the both sides of described input port and described output port arranged respectively two described ground pins.
Wherein, one end of described ground pin is welded on shell, the other end is for connecting printed circuit board (PCB), perhaps, on described shell, comprise installing hole, described installing hole is for being fixed on printed circuit board (PCB) by described shell, one end of described ground pin is circular ring plate, described circular ring plate is fixed on described installing hole, and the other end of described ground pin is another circular ring plate or the silver that is connected with described circular ring plate, be used to 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 be for being fixed in printed circuit board (PCB) by described circulator.Perhaps, described circular ring plate is fixed on described installing hole and specifically comprises: by on the described installing hole of described circular ring plate welding.
Above method can also comprise: at resistor of described isolated port welding.
The circulator or the isolator that adopt the manufacture method of circulator provided by the invention or isolator to obtain, by the ground pin, make circulator or isolator and PCB ground connection, can improve the port performance, improve the quality of port signal, guarantee the continuous of port signal, thereby 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 of making circuit unit, comprising:
The described circulator of above embodiment is arranged on printed circuit board (PCB), and the ground pin that circulator is included is connected to the ground of described printed circuit board (PCB).
The circuit unit that adopts the manufacture method of circuit unit provided by the invention to obtain, can make circulator or isolator and PCB ground connection by the ground pin, improve the port performance of circulator or isolator, guarantee the continuous of port signal, thereby 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, the those skilled in the art can be well understood to the present invention and can realize with hardware, or the firmware realization, or their compound mode realizes.When using software to realize, one or more instructions or the code that above-mentioned functions can be stored in computer-readable medium or on computer-readable medium transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium of being convenient to transmit from a place to another place computer program.Storage medium can be any usable medium that computer can access.As example but be not limited to: 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 the program code that carries or store the expectation with instruction or data structure form and can be by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.For example, if software be use coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DSL) or the wireless technology such as infrared ray, radio and microwave from website, server or the transmission of other remote source, so coaxial cable, optical fiber cable, twisted-pair feeder, DSL or the wireless technology such as infrared ray, wireless and microwave be included under in the photographic fixing of medium.As used in the present invention, dish (Disk) and dish (disc) comprise compression laser disc (CD), laser dish, laser disc, digital universal laser disc (DVD), floppy disk and Blu-ray Disc, the copy data of the common magnetic of its mid-game, dish carry out the copy data of optics with laser.Within top combination also should be included in the protection range of computer-readable medium.
Above disclosed be only several specific embodiment of the present invention, obviously, those skilled in the art can carry out various changes and modification and not depart from the scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. a circulator, comprise shell and internal structure,
Described shell is used to form be used to holding the spatial accommodation of internal structure;
Described internal structure comprises input port, output port and isolated port,
Input port is for the input of signal, and output port is for the output of signal, and isolated port is used for isolating the opposite signal of sense of direction and fan-in mouth,
Described internal structure for the mode that makes to go in ring with one direction from the signal of input port input to the output port output signal;
It is characterized in that,
Described shell includes the ground pin,
Described ground pin is used for described circulator ground connection.
2. circulator according to claim 1, is characterized in that,
The quantity of described ground pin is at least one.
3. circulator according to claim 1 and 2, is characterized in that,
Described ground pin is arranged at least one one or both sides of input port and output port.
4. the described circulator of any one according to claim 1 to 3, is characterized in that,
On described ground pin, scribble the scolder that tin or tin alloy material form.
5. the described circulator of any one according to claim 1 to 4, is characterized in that,
One end of described ground pin is for connecting the circulator shell, and the other end is for connecting printed circuit board (PCB).
6. the described circulator of any one according to claim 1 to 4, is characterized in that,
Described shell comprises installing hole, and described installing hole is for being fixed on printed circuit board (PCB) by described shell;
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).
7. circulator according to claim 6, 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.
8. an isolator, is characterized in that, comprising: the described circulator of any one and resistor according to claim 1 to 7,
Described resistor is connected with isolated port.
9. a circuit unit, is characterized in that, comprising: the described circulator of according to claim 1 to 7 any one or isolator claimed in claim 8, 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 true CN103403955A (en) | 2013-11-20 |
| CN103403955B CN103403955B (en) | 2015-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380000128.1A Active CN103403955B (en) | 2013-01-06 | 2013-01-06 | Circulator, isolator and circuit assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103403955B (en) |
| WO (1) | WO2014106338A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532209A (en) * | 2016-12-30 | 2017-03-22 | 苏州工业园区凯艺精密科技有限公司 | Microstrip isolator |
| CN110620284A (en) * | 2018-06-18 | 2019-12-27 | Tdk株式会社 | Non-reciprocal circuit element and communication device using the same |
| CN111129676A (en) * | 2020-01-14 | 2020-05-08 | 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 |
| CN112399711A (en) * | 2020-09-28 | 2021-02-23 | 浙江三维利普维网络有限公司 | High-power amplifier module and high-power amplifier module assembling method |
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| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003158438A (en) * | 2001-11-22 | 2003-05-30 | Nippon Dengyo Kosaku Co Ltd | Pin diode attenuator |
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2013
- 2013-01-06 CN CN201380000128.1A patent/CN103403955B/en active Active
- 2013-01-06 WO PCT/CN2013/070119 patent/WO2014106338A1/en active Application Filing
Patent Citations (3)
| 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 |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532209A (en) * | 2016-12-30 | 2017-03-22 | 苏州工业园区凯艺精密科技有限公司 | Microstrip isolator |
| CN110620284A (en) * | 2018-06-18 | 2019-12-27 | Tdk株式会社 | Non-reciprocal circuit element and communication device using the same |
| CN110620284B (en) * | 2018-06-18 | 2022-09-09 | Tdk株式会社 | Non-reciprocal circuit element and communication device using the same |
| CN111129676A (en) * | 2020-01-14 | 2020-05-08 | 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 |
| CN112399711A (en) * | 2020-09-28 | 2021-02-23 | 浙江三维利普维网络有限公司 | High-power amplifier module and high-power amplifier module assembling method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103403955B (en) | 2015-07-22 |
| WO2014106338A1 (en) | 2014-07-10 |
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