CN105513765A - Network card and network transformer thereof - Google Patents
Network card and network transformer thereof Download PDFInfo
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- CN105513765A CN105513765A CN201511033377.8A CN201511033377A CN105513765A CN 105513765 A CN105513765 A CN 105513765A CN 201511033377 A CN201511033377 A CN 201511033377A CN 105513765 A CN105513765 A CN 105513765A
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- coiling
- magnet ring
- main magnet
- network transformer
- wound
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2895—Windings disposed upon ring cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a network transformer of a network card. The network transformer of the network card comprises a shell, wherein a magnetic ring set is arranged in the shell; the magnetic ring set comprises four main magnetic rings and four secondary magnetic rings which are arranged in pairs; the magnetic ring set also comprises two first winding wires, two second winding wires, a third winding wire and a fourth winding wire which are wound on the main magnetic rings in the same direction; the head end of the third winding wire and the tail end of the fourth winding wire are wound on the secondary magnetic rings in the same direction; the head ends of the two first winding wires, the tail ends of the two second winding wires, the tail ends of the two first winding wires, the head ends of the two second winding wires, the head end of the fourth winding wire, the tail end of the third winding wire, the head end of the third winding wire and the tail end of the fourth winding wire are correspondingly connected to six pins of the shell respectively. Through the network transformer of the network card, the conventional four winding wires are replaced by six winding wires; the transmission speed and the working frequency are improved; the network transformer of the network card can be applied to 10-gigabit Ethernet. The invention also discloses a network card comprising the network transformer.
Description
Technical field
The present invention relates to network interface card field, particularly relate to a kind of network transformer of network interface card.In addition, the invention still further relates to a kind of network interface card comprising above-mentioned network transformer.
Background technology
Network transformer is installed on network interface card, is widely used in ethernet device, and it has the functions such as Signal transmissions, impedance matching, signal noise suppression, high-voltage isolating and conventional Power over Ethernet.Existing network transformer is gigabit Ethernet network transformer, comprise main magnet ring and secondary magnet ring, and be wound in four coilings of main magnet ring and secondary magnet ring in a specific way, article four, coiling head and the tail two ends or combination or form lead-in wire separately, connect six pins on housing respectively, mate with network interface card and realize above-mentioned effect.
But, along with the requirement of Ethernet to transmission speed is more and more higher, ten thousand current mbit ethernets need the transmission speed of 10Gb/s, baud rate reaches 833M, approximate the operating frequency of 450MHZ, therefore the operating frequency of ten thousand mbit ethernet network transformers is necessary for 450MHZ-500MHZ, and the operating frequency of existing gigabit Ethernet network transformer is 80MHZ-100MHZ, therefore traditional network transformer can not meet corresponding requirements.
Therefore, a kind of network transformer of the transmission speed and operating frequency that can adapt to ten thousand mbit ethernets how is provided to make the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of network transformer of network interface card, transmission speed and the operating frequency of ten thousand mbit ethernets can be adapted to.Another object of the present invention is to provide a kind of network interface card comprising above-mentioned network transformer, can adapt to transmission speed and the operating frequency of ten thousand mbit ethernets.
For solving the problems of the technologies described above, the invention provides a kind of network transformer of network interface card, comprise the housing for being connected with the circuit board of described network interface card, magnet ring group is provided with in described housing, described magnet ring group comprises four the main magnet rings and four secondary magnet rings that arrange in pairs, also comprise two the first coilings being wound in described main magnet ring in the same way, article two, the second coiling, 3rd coiling and the 4th coiling, the head end of described 3rd coiling and the tail end of described 4th coiling are wound in described secondary magnet ring in the same way, article two, the head end of described first coiling, article two, the tail end of described second coiling, article two, the tail end of described first coiling and the head end of two described second coilings, the head end of described 4th coiling and the tail end of described 3rd coiling, the head end of described 3rd coiling and the tail end of described 4th coiling are connected respectively six pins of described housing.
Preferably, article two, described first coiling is wound in the part that the part of described main magnet ring and described 3rd coiling be wound in described main magnet ring and is mutually twisted into the first main magnet ring coiling, and two articles of described second coilings are wound in the part that the part of described main magnet ring and described 4th coiling be wound in described main magnet ring and are mutually twisted into the second main magnet ring coiling.
Preferably, described first main magnet ring coiling and described second main magnet ring winding department are every replacing uniform winding in described main magnet ring.
Preferably, to be wound in the part that the part of described secondary magnet ring and described 4th coiling be wound in described secondary magnet ring mutually stranded in described 3rd coiling.
Preferably, described first main magnet ring coiling and described second main magnet ring coiling are wound around 360 degree of circumference of described main magnet ring, and described 3rd coiling and described 4th coiling are wound around 330 degree of circumference of described secondary magnet ring.
Preferably, article two, the head end of described first coiling is mutually stranded, article two, the tail end of described second coiling is mutually stranded, and the head end of the tail end of two described first coilings and two described second coilings is mutually stranded, the head end of described 4th coiling and the tail end of described 3rd coiling mutually stranded.
Preferably, described first coiling, described second coiling, described 3rd coiling and described 4th coiling are enamelled wire.
Preferably, comprise multiple described magnet ring group, each described magnet ring group includes four the described main magnet rings and four described secondary magnet rings that arrange in pairs, and described magnet ring group and described housing seal to be coated with and fix.
Preferably, the dead in line of four described main magnet rings of described magnet ring group, be provided with interval, and both axis is mutually vertical between the described main magnet ring arranged in pairs and described secondary magnet ring.
Present invention also offers a kind of network interface card, comprise circuit board and be installed on the network transformer of described circuit board, described network transformer is specially the network transformer described in above-mentioned any one.
Network transformer provided by the invention, comprise the housing for being connected with the circuit board of network interface card, magnet ring group is provided with in housing, magnet ring group comprises four the main magnet rings and four secondary magnet rings that arrange in pairs, also comprise two the first coilings being wound in main magnet ring in the same way, article two, the second coiling, 3rd coiling and the 4th coiling, the head end of the 3rd coiling and the tail end of the 4th coiling are wound in secondary magnet ring in the same way, article two, the head end of the first coiling, article two, the tail end of the second coiling, article two, the tail end of the first coiling and the head end of two the second coilings, the head end of the 4th coiling and the tail end of the 3rd coiling, the head end of the 3rd coiling and the tail end of the 4th coiling are connected respectively six pins of housing.Replacing four traditional coilings by arranging six coilings, improve transmission speed and operating frequency, ten thousand mbit ethernets can be applicable to.
The present invention also provides a kind of network interface card comprising above-mentioned network transformer, and because above-mentioned network transformer has above-mentioned technique effect, above-mentioned network interface card also should have identical technique effect, introduces no longer in detail at this.
Accompanying drawing explanation
Fig. 1 is the main magnet ring of a kind of embodiment of network transformer provided by the present invention and secondary magnet ring canoe schematic diagram;
Fig. 2 is the overall structure schematic diagram of a kind of embodiment of network transformer provided by the present invention;
Fig. 3 is the first main magnet ring coiling canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention;
Fig. 4 is the second main magnet ring coiling canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention;
Fig. 5 is the main magnet ring canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention;
Fig. 6 is the pin wiring canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention;
Fig. 7 is the pin connected mode schematic diagram of a kind of embodiment of network transformer provided by the present invention.
Embodiment
Core of the present invention is to provide a kind of network transformer of network interface card, can adapt to transmission speed and the operating frequency of ten thousand mbit ethernets.Another core of the present invention is to provide a kind of network interface card comprising above-mentioned network transformer, can adapt to transmission speed and the operating frequency of ten thousand mbit ethernets.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1 to Fig. 6, Fig. 1 is the main magnet ring of a kind of embodiment of network transformer provided by the present invention and secondary magnet ring canoe schematic diagram; Fig. 2 is the overall structure schematic diagram of a kind of embodiment of network transformer provided by the present invention; Fig. 3 is the first main magnet ring coiling canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention; Fig. 4 is the second main magnet ring coiling canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention; Fig. 5 is the main magnet ring canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention; Fig. 6 is the pin wiring canoe schematic diagram of a kind of embodiment of network transformer provided by the present invention; Fig. 7 is the pin connected mode schematic diagram of a kind of embodiment of network transformer provided by the present invention.
The network transformer that the specific embodiment of the invention provides, comprises housing 7, is provided with at least one magnet ring group in housing 7, can arrange multiple magnet ring group, often arranges a magnet ring group, on housing, namely arrange 24 pins, for being connected with the circuit board of network interface card.Each magnet ring group comprises four main magnet rings 5 and four secondary magnet rings 6, and main magnet ring 5 and secondary magnet ring 6 are arranged in pairs, and when arranging multiple magnet ring group, the quantity of main magnet ring 5 is the multiple of four, and the quantity of secondary magnet ring 6 is also the multiple of four.
Also comprise two article of first coiling, 1, two article of second coiling, 2, one article of the 3rd coiling 3 and one article of the 4th coiling 4, amount to six coilings, wherein two article of first coiling, 1, two article of second coiling 2, the 3rd coiling 3 and the 4th coiling 4 are all wound in main magnet ring 5, namely through the center of main magnet ring 5, inwardly be wound around again after outwards walking around cylindrical, again back and forth be wound around through center, the winding direction of six coilings is simultaneously identical.
After being wound in main magnet ring 5, the head end of the 3rd coiling 3 and the tail end of the 4th coiling 4 are first wound in secondary magnet ring 6 in the same way, namely through the center of secondary magnet ring 6, are inwardly wound around after outwards walking around cylindrical again, are again back and forth wound around through center.And the head end of six coilings is connected pin as follows with tail end, the tail end of the head end of the tail end of the head end of two article of first coiling 1, the tail end of two article of second coiling 2, two article of first coiling 1 and the head end of two article of second coiling 2, the 4th coiling 4 and the tail end of the 3rd coiling 3, the head end of the 3rd coiling 3 and the 4th coiling 4 is connected respectively six pins of housing 7.
For a pair magnet ring, article two, the head end of the first coiling 1 connects the second pin 02 of housing 7, article two, the tail end of the second coiling 2 connects the 3rd pin 03 of housing 7, article two, the tail end of the first coiling 1 is connected the first pin 01 of housing 7 with the head end of two the second coilings 2, the head end of the 4th coiling 4 is connected the 24 pin 24 of housing 7 with the tail end of the 3rd coiling 3, the head end of the 3rd coiling 3 connects the 23 pin 23 of housing 7, and the tail end of the 4th coiling 4 connects the 22 pin 22 of housing 7.Wherein head end and the two ends of tail end just in order to distinguish coiling, in winding process, by starting one end definition head end being wound in main magnet ring 5, the one end terminating to be wound in main magnet ring 5 can be defined as tail end, thus ensure, when winding direction is fixing, to be connected correctly with pin.Wherein the connected mode of coiling and six pins and the set-up mode of six pins on housing 7 identical with existing mode, simultaneously owing to having four pairs of magnet rings, therefore 24 pins are also corresponding is divided into four groups, often organizes six, correspondingly with the coiling of often pair of magnet ring connects.
Replacing four traditional coilings by arranging six coilings, improve transmission speed and operating frequency, ten thousand mbit ethernets can be applicable to.
In the network transformer that the specific embodiment of the invention provides, two article of first coiling 1 is wound in the part that the part of main magnet ring 5 and the 3rd coiling 3 be wound in main magnet ring 5 and is mutually twisted into the first main magnet ring coiling 113, is three coilings mutually stranded.Article two, the second coiling 2 is wound in the part that the part of main magnet ring 5 and the 4th coiling 4 be wound in main magnet ring 5 and is mutually twisted into the second main magnet ring coiling 224, is three coilings mutually stranded.3rd coiling 3 is wound in the part of secondary magnet ring 6 and the 4th coiling 4, and to be wound in the part of secondary magnet ring 6 mutually stranded, is two coilings mutually stranded.Further, the first main magnet ring coiling 113 and the second main magnet ring coiling 224 interval replace uniform winding in main magnet ring 5, and namely the first main magnet ring coiling 113 and the second main magnet ring coiling 224 form double-spiral structure and be wound in main magnet ring 5.The stranded functional effect can heightening network transformer mutually, manages line clear simultaneously, is convenient to winding process; double-spiral structure ensures inductance effect, makes Distribution of Magnetic Field even, also can adopt other canoes or compound mode; as being adhesively fixed, all within protection scope of the present invention.
In order to make networking transformer play better functional effect, the first main magnet ring coiling 113 and the second main magnet ring coiling 224 can be made to be wound around 360 degree of circumference of main magnet ring 5, and the 3rd coiling 3 and the 4th coiling 4 are wound around 330 degree of circumference of secondary magnet ring 6.Namely the first main magnet ring coiling 113 and the winding starting point to the end of the second main magnet ring coiling 224 on main magnet ring 5 are 360 degree of circumference, and the 3rd coiling 3 and the winding starting point to the end of the 4th coiling 4 on secondary magnet ring 6 are 330 degree of circumference.Also angle can be adjusted according to actual conditions, all within protection scope of the present invention.
In the network transformer that the specific embodiment of the invention provides, can be mutually stranded as electrode using the head end of two the first coilings 1, article two, the tail end of the second coiling 2 is mutually stranded as electrode, article two, the tail end of the first coiling 1 and the head end stranded function realizing primary center tap mutually of two the second coilings 2, the head end of the 4th coiling 4 and the tail end mutual stranded formation secondary centre tap of the 3rd coiling 3, the head end of the 3rd coiling 3 is simultaneously as electrode, and the tail end of the 4th coiling 4 is as electrode.Use stranded mode to be convenient to manage line, wherein stranded degree, namely stranded in unit length fried dough twist joint number amount, can adjust according to actual conditions, all within protection scope of the present invention.
In the network transformer that the specific embodiment of the invention provides; first coiling 1, second coiling 2, the 3rd coiling 3 and the 4th coiling 4 are enamelled wire, and applicable different colours is distinguished, and also can adopt rubber insulated copper wire; as long as be insulated wire, all within protection scope of the present invention.Magnet ring group is coated with fixing by encapsulating material and housing 7 envelope simultaneously, forms complete individuals, ensures stability.
In the network transformer that above-mentioned each embodiment provides, be provided with interval between paired main magnet ring 5 and secondary magnet ring 6, this interval determines according to the length of coiling between two magnet rings, and main magnet ring 5 is mutually vertical with the axis of secondary magnet ring 6.Meanwhile, often pair of main magnet ring 5 and secondary magnet ring 6 are set up in parallel, and the dead in line of four main magnet rings 5 namely in same magnet ring group, the distance between corresponding main magnet ring 5 and secondary magnet ring 6 is equal.Compound with regular structure, is convenient to processing, also can adopts other mounting meanss, all within protection scope of the present invention.
On the basis of the network transformer provided in above-mentioned each embodiment, its concrete manufacture method is as follows:
According to the technical specification of enamelled wire, get two golden enamelled wires respectively as two article of first coiling 1 and a green enamelled wire as the 3rd coiling 3, by certain requirement by these three enamelled wire scutched line yarns, get two blue enamelled wires more respectively as two article of second coiling 2 and a red paint envelope curve as the 4th coiling 4, by certain requirement by these three enamelled wire scutched line yarns, form golden fairy green twistedwire and blue red twistedwire totally two groups respectively, gold fairy green twistedwire is the first main magnet ring coiling 113, blue red twistedwire is the second main magnet ring coiling 224.Wherein, choosing just for the ease of difference of color, does not affect protection scope of the present invention.
Two golden enamelled wires should according to the identical enamelled wire of electric current through-current capability selecting technology specification of this ten thousand mbit ethernet, and two blue enamelled wires should according to the identical enamelled wire of electric current through-current capability selecting technology specification of this ten thousand mbit ethernet.
This golden fairy green twistedwire is worn some circles on the main magnet ring of transformer 5, and evenly connect up 360 deg, do not intersect, do not overlap; Again this blue red twistedwire is worn some circles along same direction on the main magnet ring of transformer 5, evenly connect up 360 deg, do not intersect, do not overlap, and the alternately wiring of these two groups of twistedwires, spaced apart; Respectively head end and tail end unclamped after having worn these two groups of twistedwires and make in order straight; Be wound around the number of turns determined by the inductance specification of this ten thousand mbit ethernets high frequency transformer, the individual pen inductance value of main magnet ring 5 and apparent size.
Respectively the tail end of the head end of two golden lines and two blue lines is broken into two groups of twistedwires, more respectively by the head end of the tail end of two golden lines and two blue lines totally four lines break into another group twistedwire; Then the head end of the tail end of single green line and single red line is broken into one group of twistedwire again, then the tail end of the head end of single green line and single red line is broken into another group twistedwire;
After main magnet ring 5 completes threading, tackle its formed centre tapped enamelled wire carry out twisted wire scutching flower, to realize its centre cap function.The head end of the tail end of two gold threads and two blue lines is twisted together, realizes the function of its primary center tap, more respectively the gold of remainder gold is twisted together with colo(u)r streak and blue same colo(u)r streak, form twisted-pair feeder, realize its function as electrode; Single green line tail end and single red line head end are twisted together, forms secondary centre tap, single green head end and single red tail end being twisted together, doing preliminary activities for wearing secondary magnet ring 6;
On secondary magnet ring 6, wear some circles with the green line head end accomplished fluently and red line tail end twistedwire, connect up 330 degree, do not intersect, do not overlap and keep the appropriate intervals between two magnet rings, form one group of complete line and hold group; Make four groups of identical lines of technique with identical method for winding and hold group.
Choose the housing 7 of certain specification, respectively corresponding line is held group and be connected on the pin of corresponding housing 7, composition closed-loop path, thus form this ten thousand mbit ethernets high frequency transformer;
Especially, after completing Electrode connection, for making the stable and parameter stability of this ten thousand mbit ethernets high-frequency transformer structure, line need be held group with appropriate encapsulating material and carrying out envelope and be coated with fixing, housing 7 and line being held and organizes the complete individuality of formation one.
Except above-mentioned network transformer, the specific embodiment of the present invention also provides a kind of network interface card comprising above-mentioned network transformer, and the structure of these other each several parts of network interface card please refer to prior art, repeats no more herein.
Above network interface card provided by the present invention and network transformer thereof are described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (10)
1. the network transformer of a network interface card, comprise the housing (7) for being connected with the circuit board of described network interface card, described housing is provided with magnet ring group in (7), described magnet ring group comprises four the main magnet rings (5) and four secondary magnet rings (6) that arrange in pairs, it is characterized in that, also comprise two the first coilings (1) being wound in described main magnet ring (5) in the same way, article two, the second coiling (2), 3rd coiling (3) and the 4th coiling (4), the head end of described 3rd coiling (3) and the tail end of described 4th coiling (4) are wound in described secondary magnet ring (6) in the same way, article two, the head end of described first coiling (1), article two, the tail end of described second coiling (2), article two, the tail end of described first coiling (1) and the head end of two described second coilings (2), the head end of described 4th coiling (4) and the tail end of described 3rd coiling (3), the head end of described 3rd coiling (3) and the tail end of described 4th coiling (4) are connected respectively six pins of described housing (7).
2. network transformer according to claim 1, it is characterized in that, article two, described first coiling (1) is wound in the part that the part of described main magnet ring (5) and described 3rd coiling (3) be wound in described main magnet ring (5) and is mutually twisted into the first main magnet ring coiling (113), and two articles of described second coilings (2) are wound in the part that the part of described main magnet ring (5) and described 4th coiling (4) be wound in described main magnet ring (5) and are mutually twisted into the second main magnet ring coiling (224).
3. network transformer according to claim 2, is characterized in that, described first main magnet ring coiling (113) and described second main magnet ring coiling (224) interval replace uniform winding in described main magnet ring (5).
4. network transformer according to claim 3, it is characterized in that, it is mutually stranded that described 3rd coiling (3) is wound in the part that the part of described secondary magnet ring (6) and described 4th coiling (4) be wound in described secondary magnet ring (6).
5. network transformer according to claim 4, it is characterized in that, described first main magnet ring coiling (113) and described second main magnet ring coiling (224) are wound around 360 degree of circumference of described main magnet ring (5), and described 3rd coiling (3) and described 4th coiling (4) are wound around 330 degree of circumference of described secondary magnet ring (6).
6. network transformer according to claim 5, it is characterized in that, article two, the head end of described first coiling (1) is mutually stranded, article two, the tail end of described second coiling (2) is mutually stranded, article two, the tail end of described first coiling (1) and the head end of two described second coilings (2) mutually stranded, the head end of described 4th coiling (4) and the tail end of described 3rd coiling (3) mutually stranded.
7. network transformer according to claim 1, is characterized in that, described first coiling (1), described second coiling (2), described 3rd coiling (3) and described 4th coiling (4) are enamelled wire.
8. network transformer according to claim 1, it is characterized in that, comprise multiple described magnet ring group, each described magnet ring group includes four the described main magnet rings (5) and four described secondary magnet rings (6) that arrange in pairs, and described magnet ring group and described housing (7) seal to be coated with and fix.
9. the network transformer according to claim 1 to 8 any one, it is characterized in that, the dead in line of four described main magnet rings (5) of described magnet ring group, be provided with interval between the described main magnet ring (5) of paired setting and described secondary magnet ring (6), and both axis are mutually vertical.
10. a network interface card, comprise circuit board and be installed on the network transformer of described circuit board, it is characterized in that, described network transformer is specially the network transformer described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033377.8A CN105513765A (en) | 2015-12-31 | 2015-12-31 | Network card and network transformer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033377.8A CN105513765A (en) | 2015-12-31 | 2015-12-31 | Network card and network transformer thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105513765A true CN105513765A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511033377.8A Pending CN105513765A (en) | 2015-12-31 | 2015-12-31 | Network card and network transformer thereof |
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| Country | Link |
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| CN (1) | CN105513765A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962559A (en) * | 2018-07-20 | 2018-12-07 | 张元洪 | Ethernet transformer |
| CN109509624A (en) * | 2019-01-04 | 2019-03-22 | 绵阳高新区鸿强科技有限公司 | A kind of network transformation magnetic core coil and preparation method thereof |
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| US20070040645A1 (en) * | 2005-08-19 | 2007-02-22 | Sedio Stephen M | Transformer And Method Of Winding Same |
| CN101728070A (en) * | 2008-10-10 | 2010-06-09 | 炫兴股份有限公司 | Pulse transformer with choking coil and manufacturing method thereof |
| CN102779635A (en) * | 2012-08-24 | 2012-11-14 | 东莞市铭普实业有限公司 | 10G Ethernet transformer and manufacturing method thereof |
| CN205264471U (en) * | 2015-12-31 | 2016-05-25 | 东莞铭普光磁股份有限公司 | Network card and network transformer thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070040645A1 (en) * | 2005-08-19 | 2007-02-22 | Sedio Stephen M | Transformer And Method Of Winding Same |
| CN101728070A (en) * | 2008-10-10 | 2010-06-09 | 炫兴股份有限公司 | Pulse transformer with choking coil and manufacturing method thereof |
| CN102779635A (en) * | 2012-08-24 | 2012-11-14 | 东莞市铭普实业有限公司 | 10G Ethernet transformer and manufacturing method thereof |
| CN205264471U (en) * | 2015-12-31 | 2016-05-25 | 东莞铭普光磁股份有限公司 | Network card and network transformer thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962559A (en) * | 2018-07-20 | 2018-12-07 | 张元洪 | Ethernet transformer |
| CN108962559B (en) * | 2018-07-20 | 2024-05-10 | 张元洪 | Ethernet transformer |
| CN109509624A (en) * | 2019-01-04 | 2019-03-22 | 绵阳高新区鸿强科技有限公司 | A kind of network transformation magnetic core coil and preparation method thereof |
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Application publication date: 20160420 |