CN203340416U - Printed circuit board and terminal - Google Patents
Printed circuit board and terminal Download PDFInfo
- Publication number
- CN203340416U CN203340416U CN201320267908XU CN201320267908U CN203340416U CN 203340416 U CN203340416 U CN 203340416U CN 201320267908X U CN201320267908X U CN 201320267908XU CN 201320267908 U CN201320267908 U CN 201320267908U CN 203340416 U CN203340416 U CN 203340416U
- Authority
- CN
- China
- Prior art keywords
- frequency
- radio
- printed circuit
- circuit board
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/025—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10356—Cables
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Structure Of Printed Boards (AREA)
Abstract
The utility model provides a printed circuit board and a terminal. The printed circuit board is provided with a first bonding pad of a first device and a second bonding pad of a second bonding pad. A printed circuit is also provided with a radio frequency coaxial line. A first end of the radio frequency coaxial line is electrically connected with the first bonding pad. A second end of the radio frequency coaxial line is electrically connected with the second bonding pad. The radio frequency coaxial line is used to replace some radio-frequency transmission lines which need controlling impedance on the printed circuit board, and problems that high-frequency impedance control of a radio-frequency signal transmission line of the high-speed printed circuit board is difficult are solved.
Description
Technical field
The utility model relates to the board design field, refers to especially a kind of printed circuit board and terminal.
Background technology
Along with the fast development of modern wireless communication technique, the intelligent terminal particularly function of smart mobile phone is more and more, but experiences the requirement to moulding etc. for the user, and the design of circuit board has also been proposed to more higher requirements, has also brought more challenge simultaneously.
In current board design, lamination is more and more, and thickness is more and more thinner, add the operating frequency of terminal and improving constantly of signal transmission rate, make the circuit board of existing High-Speed Printed Circuit Board fabrication process, because of the situation of attenuation aggravation on unit length in high-frequency resistance is controlled, occurred that impedance Control is difficult, large problem decays.Particularly the common transmission line of some radiofrequency signals, need the radiofrequency signal of transmission from the hundreds of megahertz to several Gigahertzs.So wide frequency range, be difficult to realize the full frequency band impedance matching by matching and debugging.And some radio frequency signal transmission line often need to cross over almost whole circuit board, the difficulty of its impedance Control is well imagined.
Simultaneously, along with miniaturization and the array of electronic package, circuit board density also constantly improves.Picture radio frequency signal transmission line this important cabling, except impedance Control requires, also will consider the problem of electromagnetic compatibility, often need to have along the line complete ground and uniformly hole follow.As those, very long radio frequency signal transmission line is difficult to be protected preferably, does not also reach desirable designing requirement.
The 10 layers of veneer shown in Fig. 1 of take are example, in the situation that device 1 is far to device 2 distances, the version of the internal layer strip line of general transmission line shown in all can choice for use Fig. 1, realize the connection of radiofrequency signal.And in order to approach the impedance Control target as far as possible, except strip line place layer need up and down two GND planes (layer4 and layer7 are defined as veneer master ground) for referencial use, hollow out 1～2 layer toward the contact meeting in its adjacent layers, as layer6 transmission line institute corresponding part metal level in Fig. 1 is hollowed out.
The utility model content
The technical problems to be solved in the utility model is, a kind of printed circuit board and terminal are provided, replace with the radio-frequency (RF) coaxial line that on printed circuit board, some needs the radio-frequency transmission line of control group, the radio frequency signal transmission line high-frequency resistance that has solved High-Speed Printed Circuit Board is controlled difficult problem.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of printed circuit board, be provided with the first pad of the first device and the second pad of the second device on described printed circuit board, also be provided with the radio-frequency (RF) coaxial line on described printed circuit, the first end of described radio-frequency (RF) coaxial line is electrically connected to described the first pad, and the second end of described radio-frequency (RF) coaxial line is electrically connected to described the second pad.
The first end of described radio-frequency (RF) coaxial line is electrically connected to described the first pad by the first radio frequency (RF) coaxial connector and the first microstrip line of being connected with described the first radio frequency (RF) coaxial connector;
The second end of described radio-frequency (RF) coaxial line is electrically connected to described the second pad by the second radio frequency (RF) coaxial connector and the second microstrip line of being connected with described the second radio frequency (RF) coaxial connector.
The first end of described radio-frequency (RF) coaxial line is electrically connected to and is specially with described the first pad by the first radio frequency (RF) coaxial connector and the first microstrip line of being connected with described the first radio frequency (RF) coaxial connector:
The first end of described radio-frequency (RF) coaxial line is electrically connected to the first end of described the first radio frequency (RF) coaxial connector; The second end of described the first radio frequency (RF) coaxial connector is electrically connected to the first end of described the first microstrip line; The second end of described the first microstrip line is electrically connected to described the first pad;
The second end of described radio-frequency (RF) coaxial line is electrically connected to and is specially with described the second pad by the second radio frequency (RF) coaxial connector and the second microstrip line of being connected with described the second radio frequency (RF) coaxial connector:
The second end of described radio-frequency (RF) coaxial line is electrically connected to the first end of described the second radio frequency (RF) coaxial connector; The second end of described the second radio frequency (RF) coaxial connector is electrically connected to the first end of described the second microstrip line; The second end of described the second microstrip line is electrically connected to described the second pad.
Described the first microstrip line and described the second microstrip line are arranged on the top layer of described printed circuit board.
Be installed with the fixture of at least one fixing described radio-frequency (RF) coaxial line on described printed circuit board.
Optionally, described fixture is for to be made by metal material.
Optionally, described printed circuit board has at least one via hole, and the earth signal line of described printed circuit board is electrically connected to described fixture by described via hole.
The zone that is the peeling outer layer insulating sleeve with contact area described fixture described radio-frequency (RF) coaxial line.
Surface with contact area described fixture described radio-frequency (RF) coaxial line is provided with metal sleeve.
On the other hand, the utility model provides a kind of terminal, comprises above-mentioned printed circuit board.
The beneficial effect of technique scheme of the present utility model is as follows:
The utility model replaces with the radio-frequency (RF) coaxial line that on printed circuit board, some needs the radio-frequency transmission line of control group, and the radio frequency signal transmission line high-frequency resistance that has solved High-Speed Printed Circuit Board is controlled difficult problem.
The accompanying drawing explanation
Fig. 1 is the schematic diagram that traditional radiofrequency signal connects;
Fig. 2 is the schematic cross-section of printed circuit board of the present utility model;
Fig. 3 a is the schematic diagram of the radio-frequency (RF) coaxial line that adopts of the utility model.
Fig. 3 b is the schematic diagram of the radio-frequency (RF) coaxial line that adopts of the utility model.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 2, be the schematic cross-section of printed circuit board of the present utility model.Be provided with the first pad 11 of the first device 1 and the second pad 21 of the second device 2 on described printed circuit board, also be provided with radio-frequency (RF) coaxial line 001 on described printed circuit, the first end of described radio-frequency (RF) coaxial line 001 is electrically connected to described the first pad 11, and the second end of described radio-frequency (RF) coaxial line 001 is electrically connected to described the second pad.
The first end of described radio-frequency (RF) coaxial line 001 is electrically connected to described the first pad 11 by the first radio frequency (RF) coaxial connector 002 and the first microstrip line 007 of being connected with described the first radio frequency (RF) coaxial connector 002; Be specially: the first end of described radio-frequency (RF) coaxial line is electrically connected to the first end of described the first radio frequency (RF) coaxial connector; The second end of described the first radio frequency (RF) coaxial connector is electrically connected to the first end of described the first microstrip line; The second end of described the first microstrip line is electrically connected to described the first pad;
The second end of described radio-frequency (RF) coaxial line 001 is electrically connected to described the second pad 21 by the second radio frequency (RF) coaxial connector 003 and the second microstrip line 008 of being connected with described the second radio frequency (RF) coaxial connector 003.Be specially: the second end of described radio-frequency (RF) coaxial line is electrically connected to the first end of described the second radio frequency (RF) coaxial connector; The second end of described the second radio frequency (RF) coaxial connector is electrically connected to the first end of described the second microstrip line; The second end of described the second microstrip line is electrically connected to described the second pad.
Described the first microstrip line 007 and described the second microstrip line 008 are arranged on the top layer of described printed circuit board.
Optionally, be installed with the fixture 004 of at least one fixing described radio-frequency (RF) coaxial line on described printed circuit board, fixture can be made for the metal material of serving as reasons, and is for example metal clip.
Described printed circuit board has at least one via hole, and the earth signal line of described printed circuit board is electrically connected to described metal clip by described via hole.Metal clip can play the effect of fixing and ground connection.Metal clip is for example metal buckle.In order to fix preferably this coaxial line and to increase its jamproof ability, centre is fixed coaxial line and reliable ground such as metal buckle with several being welded on veneer.Wherein, metal buckle can be connected by the main of punching and veneer, the reliability of assurance ground connection.
As shown in Figure 3 a, the zone that contact area 31 described radio-frequency (RF) coaxial line and described metal clip is the peeling outer layer insulating sleeve.Optionally, as shown in Fig. 3 b, the surface with contact area 31 described metal clip described radio-frequency (RF) coaxial line is provided with metal sleeve 32.In the utility model, the part be connected of metal buckle and coaxial line, the outermost layer insulating sleeve of coaxial line adds metal sleeve etc. after partly peeling off or peeling off, and guarantees that metal buckle reliably is connected with the outer conductor (screen) of coaxial line.
The utility model also provides a kind of terminal, comprises above-mentioned printed circuit board.
The utility model provides a kind of connected mode of radiofrequency signal, can be for the connection of radiofrequency signal on the High-Speed Printed Circuit Board of intelligent terminal, replace with the radio-frequency (RF) coaxial line that on printed circuit board, some needs the radio-frequency transmission line of control group, help to solve under the high speed communication condition radio frequency signal transmission line high-frequency resistance on High-Speed Printed Circuit Board and control and be difficult to and problem that EMC Design is not being met.The utility model not only efficiently solves part high speed printed circuit high-frequency resistance and controls difficult problem, also for radio-frequency (RF) impedance line under some condition, can't walk out with easily disturbed problem new solution is provided.
The utility model, the radio-frequency (RF) coaxial line 001 of the characteristics such as by the transmission line of banded cabling in Fig. 18, frequency is high with having, little, the advantages of good shielding performance of decaying substitutes.Simultaneously, also need two radio frequency (RF) coaxial connectors 002,003 to realize and being connected of mainboard.002, reach device 2 between connector 003 from device 1 to connector, with very short top layer microstrip line 007,008, connect and get final product.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a printed circuit board, be provided with the first pad of the first device and the second pad of the second device on described printed circuit board, it is characterized in that, also be provided with the radio-frequency (RF) coaxial line on described printed circuit, the first end of described radio-frequency (RF) coaxial line is electrically connected to described the first pad, and the second end of described radio-frequency (RF) coaxial line is electrically connected to described the second pad.
2. printed circuit board according to claim 1, is characterized in that, the first end of described radio-frequency (RF) coaxial line is electrically connected to described the first pad by the first radio frequency (RF) coaxial connector and the first microstrip line of being connected with described the first radio frequency (RF) coaxial connector;
The second end of described radio-frequency (RF) coaxial line is electrically connected to described the second pad by the second radio frequency (RF) coaxial connector and the second microstrip line of being connected with described the second radio frequency (RF) coaxial connector.
3. printed circuit board according to claim 2, is characterized in that,
The first end of described radio-frequency (RF) coaxial line is electrically connected to and is specially with described the first pad by the first radio frequency (RF) coaxial connector and the first microstrip line of being connected with described the first radio frequency (RF) coaxial connector:
The first end of described radio-frequency (RF) coaxial line is electrically connected to the first end of described the first radio frequency (RF) coaxial connector; The second end of described the first radio frequency (RF) coaxial connector is electrically connected to the first end of described the first microstrip line; The second end of described the first microstrip line is electrically connected to described the first pad;
The second end of described radio-frequency (RF) coaxial line is electrically connected to and is specially with described the second pad by the second radio frequency (RF) coaxial connector and the second microstrip line of being connected with described the second radio frequency (RF) coaxial connector:
The second end of described radio-frequency (RF) coaxial line is electrically connected to the first end of described the second radio frequency (RF) coaxial connector; The second end of described the second radio frequency (RF) coaxial connector is electrically connected to the first end of described the second microstrip line; The second end of described the second microstrip line is electrically connected to described the second pad.
4. printed circuit board according to claim 2, is characterized in that, described the first microstrip line and described the second microstrip line are arranged on the top layer of described printed circuit board.
5. printed circuit board according to claim 1, is characterized in that, is installed with the fixture of at least one fixing described radio-frequency (RF) coaxial line on described printed circuit board.
6. printed circuit board according to claim 5, is characterized in that, described fixture is for to be made by metal material.
7. printed circuit board according to claim 6, is characterized in that, described printed circuit board has at least one via hole, and the earth signal line of described printed circuit board is electrically connected to described fixture by described via hole.
8. according to the arbitrary described printed circuit board of claim 5-7, it is characterized in that the zone that is the peeling outer layer insulating sleeve with contact area described fixture described radio-frequency (RF) coaxial line.
9. printed circuit board according to claim 8, is characterized in that, the surface with contact area described fixture described radio-frequency (RF) coaxial line is provided with metal sleeve.
10. a terminal, is characterized in that, comprises the described printed circuit board of claim 1-9 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320267908XU CN203340416U (en) | 2013-05-16 | 2013-05-16 | Printed circuit board and terminal |
| PCT/CN2014/071781 WO2014183489A1 (en) | 2013-05-16 | 2014-01-29 | Printed circuit board and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320267908XU CN203340416U (en) | 2013-05-16 | 2013-05-16 | Printed circuit board and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203340416U true CN203340416U (en) | 2013-12-11 |
Family
ID=49709066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320267908XU Expired - Lifetime CN203340416U (en) | 2013-05-16 | 2013-05-16 | Printed circuit board and terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203340416U (en) |
| WO (1) | WO2014183489A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014183489A1 (en) * | 2013-05-16 | 2014-11-20 | 中兴通讯股份有限公司 | Printed circuit board and terminal |
| CN105899000A (en) * | 2016-04-22 | 2016-08-24 | 努比亚技术有限公司 | Connecting method structure for coaxial cable on PCB |
| CN109215859A (en) * | 2018-08-10 | 2019-01-15 | 深圳市信维通信股份有限公司 | A kind of strip line/microstrip line of transmitting radio frequency signal |
| CN112366482A (en) * | 2021-01-14 | 2021-02-12 | 四川赛狄信息技术股份公司 | Output port structure of missile-borne, airborne and vehicle-mounted data processing printed circuit board |
| CN116879586A (en) * | 2023-07-28 | 2023-10-13 | 上海捷策创电子科技有限公司 | Coaxial high-speed interface device for semiconductor test |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6039580A (en) * | 1998-07-16 | 2000-03-21 | Raytheon Company | RF connector having a compliant contact |
| JP2007135247A (en) * | 2007-02-15 | 2007-05-31 | Mitsubishi Electric Corp | Communication apparatus |
| CN102064399A (en) * | 2010-11-16 | 2011-05-18 | 苏州华旃航天电器有限公司 | Novel radio frequency coaxial connector |
| CN102983396A (en) * | 2012-11-16 | 2013-03-20 | 濠暻科技(深圳)有限公司 | Small-size antenna structure based on mobile terminal (MT) and production method |
| CN203340416U (en) * | 2013-05-16 | 2013-12-11 | 中兴通讯股份有限公司 | Printed circuit board and terminal |
-
2013
- 2013-05-16 CN CN201320267908XU patent/CN203340416U/en not_active Expired - Lifetime
-
2014
- 2014-01-29 WO PCT/CN2014/071781 patent/WO2014183489A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014183489A1 (en) * | 2013-05-16 | 2014-11-20 | 中兴通讯股份有限公司 | Printed circuit board and terminal |
| CN105899000A (en) * | 2016-04-22 | 2016-08-24 | 努比亚技术有限公司 | Connecting method structure for coaxial cable on PCB |
| CN109215859A (en) * | 2018-08-10 | 2019-01-15 | 深圳市信维通信股份有限公司 | A kind of strip line/microstrip line of transmitting radio frequency signal |
| CN109215859B (en) * | 2018-08-10 | 2023-12-19 | 深圳市信维通信股份有限公司 | Strip line/microstrip line for transmitting radio frequency signals |
| CN112366482A (en) * | 2021-01-14 | 2021-02-12 | 四川赛狄信息技术股份公司 | Output port structure of missile-borne, airborne and vehicle-mounted data processing printed circuit board |
| CN116879586A (en) * | 2023-07-28 | 2023-10-13 | 上海捷策创电子科技有限公司 | Coaxial high-speed interface device for semiconductor test |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014183489A1 (en) | 2014-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |