CN106848785A - PCI E signal transmitting apparatus - Google Patents
PCI E signal transmitting apparatus Download PDFInfo
- Publication number
- CN106848785A CN106848785A CN201611231197.5A CN201611231197A CN106848785A CN 106848785 A CN106848785 A CN 106848785A CN 201611231197 A CN201611231197 A CN 201611231197A CN 106848785 A CN106848785 A CN 106848785A
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- CN
- China
- Prior art keywords
- pci
- cables
- signal
- transmitting apparatus
- signal transmitting
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 239000005030 aluminium foil Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000032366 Oversensing Diseases 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/08—Flat or ribbon cables
- H01B7/0823—Parallel wires, incorporated in a flat insulating profile
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/06—Connectors or connections adapted for particular applications for computer periphery
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention discloses a kind of PCI E signal transmitting apparatus, the PCI E signal transmitting apparatus include：The PCI E cables of signal conditioner and flexibility；Wherein, one end of PCI E cables is connected to the PCI E slots of mainboard by signal conditioner, and the other end of PCI E cables is connected to the PCI E slots of expansion equipment.By use signal conditioner can adjusting signal intensity to meet signal integrity demand；Meanwhile, by reducing the physical size of PCI E cables using flexible PCI E cables, the rack or chassis space of its occupancy are released, improve the layout flexibility of designer.
Description
Technical field
The present invention relates to server technology field, it particularly relates to a kind of PCI-E signal transmitting apparatus.
Background technology
PCI-E buses (Peripheral Component Interconnect Express) are a kind of brand-new based on
The technology of the inside connection of calculation machine system, it is point-to-point protocol and serial transmission relative to the greatest improvement of conventional bus
Mode.PCI-E buses support that the multiplex (MUX) connection mode of elasticity, each PCI-E device exclusively enjoy its physical channel, each equipment
Concurrent data transfer is independent of each other during interconnection, can improve the transmission rate and effective band width in physical of system, and with 16 path channels
PCI-E × 16 bandwidth level higher can be provided.
In server field, server master board generally CPU and PCH, IB (infiniband, wireless bandwidth) adapter it
Between, different bit wides are used between PCH and BMC (Baseboard Management Controller, baseboard management controller)
PCI-E bus bars communicate, or pass through × 4, × 8, the PCI-E slots connection physics board of × 16 standards, cpu function is carried out
External extension.
For various user's requests, except connected by standard PCI-E slots on server master board physics board with
Carry out outside effective physical extension, it is also in need to realize remote demand for interconnection.
In the prior art in order to meet the demand, server field widely uses PCI-E electric signals extension cable,
The connector at its two ends is combined using active device with the golden finger technique of standard, and the PCI-E electric signals for using are prolonged
Cable long is the coaxial cable of standard.But, due to using standard golden finger technique, can only be with the master with PCI-E slots
Plate or backboard are interconnected, and limit its application field；The size of extension cable and connector is more huge, and heavier-weight is soft
Toughness is poor, takes larger physical space, comes difficult to the wiring tape between equipment to a certain extent, is unfavorable for server machine
Case or cabinet design develop towards miniaturization；Extended line cable manufacturing can expend more resource, increased product cost, suppression
Product competitiveness is made, and has been unfavorable for the city low-carbon (LC) standard of living.
In the prior art in order to meet the demand, server field also has transmits PCI-E signals using PCB trace
, its receiving terminal passes through signal conditioner thermal compensation signal.But, this method is excellent to the selection of PCB materials, stack-design, wiring
Change, processing technology etc. propose more harsh requirement, and state of the art is extremely difficult to；Believed using PCB differential lines transmission PCI-E
Number need to be limited by customer facility, PCB has certain size, just occupies part rack or chassis space, be unfavorable for clothes
Business device cabinet or cabinet design develop towards miniaturization；The high request of increased PCB sizes and PCB materials, lamination and cabling
Also increase product cost, it is suppressed that product competitiveness, be also unfavorable for the city low-carbon (LC) standard of living.
For the above mentioned problem in correlation technique, effective solution is not yet proposed at present.
The content of the invention
For the above mentioned problem in correlation technique, the present invention proposes a kind of PCI-E signal transmitting apparatus, can realize service
The remote physical extension of device, reduces the physical size of PCI-E transmission cables.
The technical proposal of the invention is realized in this way：
According to an aspect of the invention, there is provided a kind of PCI-E signal transmitting apparatus, set for carrying out mainboard with extension
Signal transmission between standby, including：The PCI-E cables of signal conditioner and flexibility；Wherein, one end of PCI-E cables is by letter
Number adjuster is connected to the PCI-E slots of mainboard, and the other end of PCI-E cables is connected to the PCI-E slots of expansion equipment.
According to one embodiment of present invention, PCI-E cables include each of each data path of parcel PCI-E cables
The screen layer of Difference signal pair.
Wherein, the material of screen layer is aluminium foil.
Wherein, screen layer is formed by pressing process.
Preferably, PCI-E cables are flat-ribbon cable.
Preferably, also including the protection overcoat of parcel PCI-E cables, and the material of protection overcoat is nylon.
According to one embodiment of present invention, mainboard includes CPU, and signal conditioner is communicatively coupled to CPU.
According to one embodiment of present invention, the PCI-E slots of expansion equipment are standard PCI-E slots.
The present invention by use signal conditioner can adjusting signal intensity to meet signal integrity demand；Meanwhile, lead to
The physical size that PCI-E cables are reduced using flexible PCI-E cables is crossed, the rack or chassis space of its occupancy is released,
Improve the layout flexibility of designer.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic diagram of PCI-E signal transmitting apparatus according to an embodiment of the invention；
Fig. 2 is the schematic diagram of PCI-E signal transmitting apparatus in accordance with another embodiment of the present invention.
Specific 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 carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained belongs to present invention protection
Scope.
With reference to shown in Fig. 1 and Fig. 2, PCI-E signal transmitting apparatus according to embodiments of the present invention include：Signal conditioner and
Flexible PCI-E cables；Wherein, one end of PCI-E cables (is not shown by the PCI-E slots that signal conditioner is connected to mainboard
Go out), the other end of PCI-E cables is connected to the PCI-E slots of expansion equipment.Wherein, expansion equipment can be PCI-E boards,
Peripheral expansion backboard or other types of expansion equipment.According to the actual requirements, the bit wide of PCI-E cables can specifically be set
Put, for example × 2, × 4, × 8, × 12, × 16 etc., the present invention does not make specific restriction to this.
Because using flexible PCI-E cables, used as extension transmission cable, being effectively utilized server cabinet and cabinet has
The physical space of limit, while the extension transmission cable installation free degree is improved, reduces research staff's motherboard layout difficulty.
PCB trace more long is needed apart from CPU for PCI-E connectors on mainboard, using signal conditioner (retimer) to PCB trace
The loss of signal for causing carries out effective compensation, makes system layout more flexible, and performance is more excellent, therefore can be with by signal conditioner
Signal integrity is improved to ensure the reliability of system electrical performance and extension transmission cable.
Above-mentioned technical proposal, while using signal conditioner and PCI-E cables, one end of PCI-E cables is adjusted by signal
Section device is connected on the PCI-E slots of mainboard, and the other end is connected to the PCI-E slots of expansion equipment, and being defined by interface will connection
Pin map one by one, can be by adjusting the width and length of PCI-E cables, the PCI-E electricity of flexibly customized different bit wides
The long-distance transmissions of gas signal, realize the peripheral expansion of server master board difference bit wide and length.
As shown in figure 1, in one embodiment, mainboard includes CPU, signal conditioner is communicatively connected to CPU.Specifically,
As needed, signal conditioner (retimer) can be communicatively connected to by CPU by adjuster conditioner.
In one embodiment, PCI-E cables include each differential signal of each data path of parcel PCI-E cables
To screen layer.
Preferably, the material of screen layer is aluminium foil.In a data path (Lane) of the physical link of PCI-E buses
In, by two pairs of differential signals, totally 4 signal line groups into.By two pairs of differential signals using aluminium foil Lane each to PCI-E cables
Effective physical isolation is carried out, so that PCI-E signal cross-talks and extraneous electricity in suppressing data transmission procedure between each Lane
The influence of magnetic radiation, improves the global noise tolerance limit of PCI-E cables, reduces error rate of system, and system robustness is able to bright
Aobvious enhancing.
Preferably, screen layer is formed by pressing process.Make cable each using corresponding pressing process according to actual needs
The Difference signal pair outer layer of Lane is wrapped up by aluminium foil, shields outside electromagnetic interference.
In one embodiment, PCI-E cables are flat-ribbon cable.For coaxial cable size of the prior art compared with
Greatly, need to take server cabinet or the larger physics sky of cabinet during the more consumptive material of consumption and use in manufacturing process
Between the problems such as, be used as its effective alternative means by using frivolous, the flexible flat cable of material.Wherein, PCI-E cables can be with
PCI-E outsides are met using each side parameter and connects up (the External Cabling Specification of specification 1.0
Revision 1.0) standard flat twinax (Shielded Twisted Pair) cable, reduce the physical size size of cable.In customization
During the specific PCI-E cables for making electric signal transmit extension, can be according to customer demand, the flat cable for choosing proper width enters
Row collocation, cable is extended with the transmission for building different bit wides.
Preferably, as shown in Fig. 2 also including the protection overcoat of parcel PCI-E cables, and the material of protection overcoat is Buddhist nun
Dragon.Nylon sheath wire is increased by the periphery in PCI-E cables, replaces plastics rubber overcoat commonly used in the prior art, Neng Gouzeng
The mechanical strength of strong PCI-E cables, prevents during carrying and installation, to flat PCI-E cable outer layers aluminium foil or cable
Itself causes mechanical damage.Meanwhile, by the protection overcoat using nylon material, PCI-E cables are prevented to a certain extent
Upper damaged aluminium foil is contacted and the phenomenon that is short-circuited with server master board or expanded back panel surface circuit.Further, in flexibility
The periphery of flat twinax cables uses the protection overcoat of common nylon material, and can strengthen makes electric signal transmit extension
The pliability and resistance against physical impact capacity of PCI-E cables.
In one embodiment, the PCI-E slots of expansion equipment are standard PCI-E slots.In actual applications, extension sets
Standby PCI-E slots can also use off-gauge PCI-E slots, such as Mini PCI-E slots.
In sum, by means of above-mentioned technical proposal of the invention, can be according to PCB trace by use signal conditioner
Length adjusting signal intensity is meeting signal integrity demand；PCI-E cables are reduced by using flexible PCI-E cables
Physical size, releases the rack or chassis space of its occupancy, improves the layout flexibility of designer；Hold in signal noise
In the range of limit, the electric signal PCI-E cables of different bit wides, different transmission ranges can be customized according to customer demand；Can be effective
Ground reduces the influence of the electric signal interference and external electromagnetic radiation between each Lane of PCI-E cables；It is soft with stronger physics
Toughness and resistance to mechanical impact capacity.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (8)
1. a kind of PCI-E signal transmitting apparatus, for carrying out the signal transmission between mainboard and expansion equipment, it is characterised in that
Including：
The PCI-E cables of signal conditioner and flexibility；
Wherein, one end of the PCI-E cables is connected to the PCI-E slots of mainboard, the PCI-E cables by signal conditioner
The other end be connected to the PCI-E slots of expansion equipment.
2. PCI-E signal transmitting apparatus according to claim 1, it is characterised in that the PCI-E cables include parcel institute
State the screen layer of each Difference signal pair of each data path of PCI-E cables.
3. PCI-E signal transmitting apparatus according to claim 1, it is characterised in that the PCI-E cables are flat belt-like
Cable.
4. PCI-E signal transmitting apparatus according to claim 1, it is characterised in that also including wrapping up the PCI-E cables
Protection overcoat, and the protection overcoat material be nylon.
5. PCI-E signal transmitting apparatus according to claim 2, it is characterised in that the material of the screen layer is aluminium foil.
6. PCI-E signal transmitting apparatus according to claim 2, it is characterised in that the screen layer passes through pressing process
Formed.
7. PCI-E signal transmitting apparatus according to claim 2, it is characterised in that the mainboard includes CPU, the letter
Number adjuster is communicatively coupled to the CPU.
8. PCI-E signal transmitting apparatus according to claim 7, it is characterised in that the PCI-E slots of the expansion equipment
It is standard PCI-E slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611231197.5A CN106848785A (en) | 2016-12-28 | 2016-12-28 | PCI E signal transmitting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611231197.5A CN106848785A (en) | 2016-12-28 | 2016-12-28 | PCI E signal transmitting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106848785A true CN106848785A (en) | 2017-06-13 |
Family
ID=59113444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611231197.5A Pending CN106848785A (en) | 2016-12-28 | 2016-12-28 | PCI E signal transmitting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106848785A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119125617A (en) * | 2024-09-11 | 2024-12-13 | 杭州国磊半导体设备有限公司 | High-speed signal transmission device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946219A (en) * | 2008-02-20 | 2011-01-12 | 惠普开发有限公司 | Switching driver and method of operating thereof with two reference clocks |
| CN102751639A (en) * | 2012-07-27 | 2012-10-24 | 曙光信息产业(北京)有限公司 | PCIe (peripheral component interface express) electric signal transmission cable |
| CN203673391U (en) * | 2013-11-18 | 2014-06-25 | 天津华锐源科技有限公司 | Computer main board and corresponding computer |
| CN104885067A (en) * | 2012-10-29 | 2015-09-02 | 高通股份有限公司 | Operating m-phy based communications over pci-based interfaces, and related cables, connectors, systems and methods |
-
2016
- 2016-12-28 CN CN201611231197.5A patent/CN106848785A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101946219A (en) * | 2008-02-20 | 2011-01-12 | 惠普开发有限公司 | Switching driver and method of operating thereof with two reference clocks |
| CN102751639A (en) * | 2012-07-27 | 2012-10-24 | 曙光信息产业(北京)有限公司 | PCIe (peripheral component interface express) electric signal transmission cable |
| CN104885067A (en) * | 2012-10-29 | 2015-09-02 | 高通股份有限公司 | Operating m-phy based communications over pci-based interfaces, and related cables, connectors, systems and methods |
| CN203673391U (en) * | 2013-11-18 | 2014-06-25 | 天津华锐源科技有限公司 | Computer main board and corresponding computer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119125617A (en) * | 2024-09-11 | 2024-12-13 | 杭州国磊半导体设备有限公司 | High-speed signal transmission device and method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |