CN204697027U - The impedance-matching device of network signal treatment circuit - Google Patents
The impedance-matching device of network signal treatment circuit Download PDFInfo
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- CN204697027U CN204697027U CN201520280056.7U CN201520280056U CN204697027U CN 204697027 U CN204697027 U CN 204697027U CN 201520280056 U CN201520280056 U CN 201520280056U CN 204697027 U CN204697027 U CN 204697027U
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Abstract
The utility model discloses a kind of impedance-matching device of network signal treatment circuit, first connection side of this impedance-matching device is electrically connected at network chip, second connection side is electrically connected at network connector, again in the first connection side, the multiple circuit channel in process circuit are electrically connected between second connection side, each circuit channel distinguishes the electric capacity in series coupled circuit again, and the inductive bank between adjacent any two adjacent circuit channels again in parallel coupling circuits, and inductive bank in any two adjacent circuit channel and the microstrip line winding that is in series with again between the first connection side in impedance matching unit, by the impedance matching effect at microstrip line winding balancing network signal processing circuit two ends, avoid interference network signal transmission, reach network signal to stablize, the object of smooth and easy transmission, and be applicable to the mainboard of different vendor's production.
Description
Technical field
The utility model relates to a kind of impedance-matching device of network signal treatment circuit, espespecially can balancing network terminal impedance coupling device, utilize each circuit channel of network signal treatment circuit, micro-tape winding respectively in series impedance matching unit, form balance by the impedance in each microstrip line winding balancing network signal processing circuit, reach network signal and transmit stable object.
Background technology
The fast development of modern computer science and technology, and each corner be present in society that desktop computer or notebook computer are general, Computer development trend is also strong towards calculation function, the direction that speed is fast and volume is little strides forward, due to network communications technology also flourish rapidly in, and people to be lived, study, work brings another different brand-new boundary in the past into leisure, makes namely mutually to transmit required real time information by network communication between men, advertising or contact mail etc., simultaneously by the various information of Web search, real-time communication or game on line etc., allow the more hot network of the relation between people with network and inseparable, and the network information without Yuan Fu circle, not by the time, the restriction in place or space etc., and can for uploading, download, back up various required information, provide in daily life or work, go to school or ask many-sided problem interchanges such as answering, answers etc., also do shopping by the various network platform, Information Sharing, experience exchanges etc., then make that the application of internet is more prevailing not to wane, no matter men and women, the old and the young all like application.
Use cable connection and wireless transmission two kinds of modes to transmit data in network, cabling techniques just needs to be equiped with network connector, and along with the utilization of network more and more wider, the data capacity of transmission over networks is also increasing, network vendors just improves the speed of Internet Transmission in order to the demand meeting user always, from 10MBps to 100MBps or 1GBps, even present released fiber optic network transmission speed can reach more than 10GBps, but, the geographic range that the type of general networking covers according to computer, LAN can be divided into haply, capital network, wide area network, wireless network, the types such as internet, and carrying out the link of network signal, upload, when download waits and transmits operation, must by after network connector interconnection network signal cable, be electrically connected to the mainboard of computer again, by network connector, the network signal in network cable is transferred in the main frame of computer, network signal is obtained for computer motherboard, but, when network connector is electrically connected on the mainboard of computer, the network chip, circuit board etc. of this network connector inside, easily and between the mainboard of computer, produce unbalanced resistance difference (such as network connector end be 100 Ω, computer motherboard end be 85 Ω), when then the network signal of network cable is transferred to the mainboard of computer by network connector, namely network signal is subject to interference, the impact of uneven impedance, occurs the phenomenons such as the signals such as network signal instability, interruption have some setbacks, as shown in Figure 7, the mainboard end A of current computer is electrically connected network cable B1 by network connector B, network signal is obtained for mainboard end A, but the resistance difference of 85 Ω: 100 Ω can be formed between mainboard end A and network cable B1, then for obtaining the balance of network cable B1 and mainboard end A, usual meeting carries out impedance matching by transformer module B21 in the treatment circuit B2 of network connector B, but the impedance balance that cannot reach between mainboard end A and network cable B1, namely the transmission of network signal is caused to produce unstable noise, the situations such as interference or interruption occur, and the transformer module B21 applied in current network connector B, all that employing is manually outside at magnetic core by coil winding, by the number of turns number of the coil that reels, determine the application function of transformer module B21, but because of artificial by the mode of coil winding at magnetic core, the disappearances such as easy generating coil winding overlaps, staggered, windings number is different, transformer apparent size is inconsistent, when causing practical application to be implemented, the function of transformer is more unstable, still there is many disappearances, to be improved.
So, how to solve network signal treatment circuit when transmission network signal, because of the resistance difference between mainboard end and network cable, network signal is caused to transmit unstable disappearance with not enough, and easily affect network signal transmit be interfered, the trouble of degradation and puzzlement, be engaged in this journey dealer desire most ardently the direction of improvement.
Utility model content
Inventor is because the problems referred to above and disappearance, be collect related data, via in many ways assessing and considering, and to engage in the many years of experience of the industry accumulation, via constantly studying and revising, begin to design this kind by arranging impedance matching unit on the circuit board of network connector, promoting impedance by microstrip line winding, for the impedance balance between the mainboard of computer and network signal cable, and network terminal impedance matching, the stable impedance-matching device carrying out the network signal treatment circuit of network signal transmission can be completed.
Main purpose of the present utility model is that the impedance-matching device of this network signal treatment circuit comprises the first connection side, second connection side, treatment circuit and impedance matching unit, wherein, first connection side is electrically connected at network chip, second connection side is electrically connected at network connector, this treatment circuit is electrically connected at the first connection side, between second connection side, again in the first connection side, multiple circuit channel is electrically connected between second connection side, each circuit channel distinguishes the electric capacity in series coupled circuit again, and the inductive bank between any two adjacent circuit channels again in parallel coupling circuits, and between the inductive bank and the first connection side of any two adjacent circuit channel, be in series with the microstrip line winding of impedance matching unit again, by the impedance matching effect at microstrip line winding balancing network signal processing circuit two ends, avoid interference network signal transmission, reach the object of network signal stable transfer, namely network signal is not easily interrupted, the situation of noise or instability, and be applicable to the mainboard of different vendor's production, network signal is transmitted more stable, smooth and easy, fast, and be not vulnerable to external noise interference.
Of the present utility model syllabus is be that this network electricity connects the microstrip line winding between each circuit channel of device in the impedance matching unit set by treatment circuit in treatment circuit in difference series impedance matching unit, and this microstrip line winding is transferred continuously with the tight adjacent fashion of single coil, the palisade unrolled in plane formula arranges, the first connection side is electrically connected at respectively again with each microstrip line winding one end, namely opposite side is electrically connected at each inductive bank respectively, and by the multiple microstrip line windings in impedance matching unit, multiple inductive bank in treatment circuit and coupling circuit, multiple electric capacity etc., be encapsulated in respectively in multilayer circuit board, form thin plate sheet, more electronic product can be met light, thin short and small design demand, and reach by each microstrip line winding of impedance matching unit the effect promoting impedance.
For achieving the above object, the utility model provides a kind of impedance-matching device of network signal treatment circuit, comprises the first connection side, the second connection side, treatment circuit and impedance matching unit, wherein:
This first connection side is in order to be electrically connected at network chip;
This second connection side is in order to be electrically connected at network connector;
This treatment circuit is electrically connected between the first connection side, the second connection side, and be provided with the multiple circuit channel being electrically connected the first connection side and the second connection side respectively, the each circuit channel electric capacity respectively in series coupled circuit, and the inductive bank between any two adjacent circuit channels again in parallel coupling circuits; And
This impedance matching unit is series between any two the adjacent circuit channels in treatment circuit, and is provided with the microstrip line winding on any two adjacent circuit channels of being series between the first connection side and inductive bank.
Further, this first connection side is provided with multiple first pins being electrically connected at network chip, and the second connection side is provided with multiple second pins being electrically connected at network connector.
Further, the palisade that each microstrip line winding in this impedance matching unit utilizes the tight adjacent fashion of single coil to transfer continuously respectively, unroll in plane formula arranges, then is electrically connected at the first connection side, opposite side respectively with each microstrip line winding one end and is electrically connected at each inductive bank respectively.
Further, this impedance matching unit is taken shape between multilayer circuit board by configuration mode, and is series at the treatment circuit between the first connection side of this multilayer circuit board, the second connection side.
Accompanying drawing explanation
Fig. 1 is simple circuit figure of the present utility model;
Fig. 2 is the partial enlarged drawing of the utility model treatment circuit;
Fig. 3 is the plane graph of the utility model treatment circuit;
Fig. 4 is the network signal Smith chart () in the utility model;
Fig. 5 is the network signal Smith chart (two) in the utility model;
Fig. 6 is the Smith chart of general networking signal;
Fig. 7 is the simple circuit figure of existing network signal treatment circuit.
Description of reference numerals: 1-network connector; 11-terminal group; 111-terminal supportor; 2-treatment circuit; 21-circuit channel; 211-first connection side; 212-second connection side; 22-coupling circuit; 221-inductive bank; 222-electric capacity; 23-impedance matching unit; 231-microstrip line winding; 24-network chip; 241-pin group; 2411-pin; 3-mainboard; 4-network cable; A-mainboard end; B-network connector; B1-network cable; B2-treatment circuit; B21-transformer module.
Embodiment
For reaching above-mentioned purpose and effect, the method etc. of the technological means that the utility model adopts and structure thereof, enforcement, just preferred embodiment of the present utility model of hereby drawing illustrates that its features and functions is as follows in detail, understands completely in order to do profit.
As shown in Figure 1, Figure 2, Figure 3 shows, be respectively simple circuit figure of the present utility model, the partial enlarged drawing for the treatment of circuit, the plane graph for the treatment of circuit, find out by knowing shown in figure, the impedance-matching device of the network signal treatment circuit that the utility model provides comprises network connector 1, treatment circuit 2, mainboard 3 and network cable 4, wherein:
This network connector 1 is provided with multilayer circuit board, and design multiple circuit channel 21 in encapsulation process circuit 2 in multilayer circuit board by configuration (LAYOUT), inductive bank 221 in coupling circuit 22, electric capacity 222 and impedance matching unit 23 etc., the plurality of circuit channel 21 is in series with the electric capacity 222 in coupling circuit 22 respectively, and the inductive bank 221 between any two adjacent circuit channels 21 again in parallel coupling circuits 22, and be electrically provided with network chip 24 for treatment circuit 2 side by the first connection side 211, opposite side is electrically connected to network connector 1 with the second connection side 212 again, and between each circuit channel 21 for the treatment of circuit 2, between the first connection side 211 and the inductive bank 221 of coupling circuit 22, be in series with the microstrip line winding 231 in impedance matching unit 23 more respectively, and multiple microstrip line winding 231 is transferred continuously with the tight adjacent fashion of single coil, the palisade unrolled in plane formula arranges, then each microstrip line winding 231 side is electrically connected at the first connection side 211 respectively, namely opposite side is electrically connected at the inductive bank 221 in each coupling circuit 22 respectively, then by this network connector 1, treatment circuit 2, group such as impedance matching unit 23 grade forms the impedance-matching device of the utility model network signal treatment circuit.
This network connector 1 above-mentioned is when practical application, network connector 1 can be electrically connected at the mainboard 3 of default computer, and electrically connect street network cable 4 with network connector 1, then transmit network signal via after the treatment circuit 2 of network connector 1 by network cable 4, be resent to the mainboard 3 of default computer, and transmit in network signal process, the resistance difference then produced between mainboard 3 and network cable 4 is mainboard 3 (about 85 Ω): network cable 4 (about 100 Ω), namely impedance matching is carried out by the treatment circuit 2 in network connector 1 with impedance matching unit 23, the each microstrip line winding 231 in impedance matching unit 23 can be utilized to promote the impedance (about 15 Ω) for the treatment of circuit 2 to reach the object of the impedance matching of network loop, complete network signal terminal coupling, thus the effect of the impedance balance (about 100 Ω: 100 Ω) between the mainboard 3 of default computer and network cable 4 can be reached, and network signal transmission is more stable, smooth and easy, fast, not easily be interrupted, noise, the situations such as interference.
And the multilayer circuit board in network connector 1, multiple circuit channel 21 of encapsulation process circuit 2 are designed by configuration (LAYOUT), inductive bank 221 in coupling circuit 22, electric capacity 222 and impedance matching unit 23 etc., and the microstrip line winding 231 in impedance matching unit 23 is in plane formula palisade arrangement design, thin plate sheet can be formed for multilayer circuit board, and the height of multilayer circuit board also significantly reduces, too large space can not be taken, electronic product can be met light, thin, short, little design demand, application less-restrictive, and be applicable to the mainboard of different vendor's production, thus network signal stable transfer can be promoted, the effect such as to be not easily disturbed.
As Fig. 1, Fig. 4, Fig. 5, Fig. 6, shown in Fig. 7, be respectively simple circuit figure of the present utility model, network signal Smith chart (one), the Smith chart of network signal Smith chart (two) and general networking signal, the simple circuit figure of network signal treatment circuit, find out by knowing shown in figure, at existing general networking signals transmission, and because of the network signal impedance unbalance between mainboard end A and network cable B1, form the phenomenon that impedance is too low, so that present capacitive character (as shown in Figure 6), easily cause network signal to transmit unstable situation because the impedance in treatment circuit B2 is too low, and the utility model is electrically connected the microstrip line winding 231 in impedance matching unit 23 by the circuit channel 21 in treatment circuit 2 after, the impedance (as Figure 1 and Figure 4) for the treatment of circuit 2 can be promoted, can mate treatment circuit 2, thus make the impedance in treatment circuit 2 reach balance (as shown in Figure 5), utilize treatment circuit 2 to carry out for network connector 1 and the mainboard 3 of default computer, impedance matching effect between network cable 4, the object of the impedance matching of network loop can be reached, complete network signal terminal coupling.
Disclose (as Fig. 4 by the content of above-mentioned Smith chart (Smith chart), shown in Fig. 5), can know and find out, when treatment circuit 2 in the utility model carries out network signal transmission, can because network connector 1 is electrically connected the mainboard 3 of default computer, resistance difference is produced between network cable 4, affect network signal transmission wild effect, then utilize in treatment circuit 2 the microstrip line winding 231 arranged in impedance matching unit 23, to promote inductive impedance effect for the treatment of circuit 2, and then produce equilibrium phase with originally too high resistive and melt, reach the object (as shown in Figure 5) of the impedance balance presenting ideal value, when the network signal of network cable 4 being transferred to the mainboard 3 in default computer for network connector 1, then can reach the object of network signal stable transfer, and Signal transmissions is more smooth and easy, fast.
Moreover, above-mentioned treatment circuit 2 is for utilizing the first connection side 211 of each circuit channel 21, (each pin 2411 can be respectively MD0+, MD0-, MD1+, MD1+, MD2+, MD2-, MD3+ and MD3-to each pin 2411 being electrically connected in the pin group 241 in network chip 24, it is only the numbering distinguished as each pin 2411, namely therefore the still visual actual design demand conversion of each numbering, non-ly limit to protection range of the present utility model); And treatment circuit 2 is for utilizing the second connection side 212 of the opposite side of each circuit channel 21; namely (each terminal supportor 111 can be respectively MX0+, MX0-, MX1+, MX1-, MX2+, MX2-, MX3+ and MX3-to be electrically connected at each terminal supportor 111 of the terminal group 11 of network connector 1; only as the numbering that each terminal supportor 111 is distinguished; therefore the conversion of each numbering visual actual design demand, non-ly limit to protection range of the present utility model).
The foregoing is only preferred embodiment of the present utility model, non-ly therefore limit to protection range of the present utility model, in the impedance-matching device of the network signal treatment circuit that the utility model the provides each circuit channel 21 in the network signal treatment circuit 2 of network connector 1, inductive bank 221 in coupling circuit 22 is formed by configuration design, electric capacity 222, and the first connection side 211 is electrically connected at network chip 24, second connection side 212 is electrically connected at the terminal group 11 of network connector 1, again in the first connection side 211 of each circuit channel 21, microstrip line winding 231 between inductive bank 221 in series impedance matching unit 23, the mainboard 3 of computer can be preset for treatment circuit 2 two ends, impedance balance between network cable 4, thus the impedance matching promoting treatment circuit 2 can be reached, can for the object of stable transfer network signal, and the function of the network loop impedance matching for the treatment of circuit 2 is reached by microstrip line winding 231, complete network terminal impedance matching, avoid network processing circuitry 2 transmission network signal to produce to be interrupted, the phenomenons such as noise, and be applicable to the mainboard of different vendor's production, therefore such as can reach the structure of foregoing advantages, device all should be contained by the utility model, this kind of simple and easy modification and equivalent structure change, all should in like manner be contained in protection range of the present utility model, Chen Ming is given in conjunction.
The utility model is design mainly for the impedance-matching device of network signal treatment circuit, utilize the electric capacity in each circuit channel difference series coupled circuit in the network signal treatment circuit of network connector, and the inductor module between any two adjacent circuit channel again in parallel coupling circuits, and be electrically connected at network chip with the first connection side for the treatment of circuit, second connection side is electrically connected at network connector, and the microstrip line winding be electrically connected with again between the inductive bank and the first connection side of each circuit channel in impedance matching circuit, thus the impedance of microstrip line winding lifting treatment circuit can be reached, be main key protection point for network signal stable transfer, the object of network loop impedance matching is reached by each microstrip line winding of impedance matching unit, microstrip line winding is enable to realize the object of network terminal impedance matching, network connector transmission network signal then can be made more smooth and easy, stable, but, the foregoing is only preferred embodiment of the present utility model, non-ly therefore namely limit to protection range of the present utility model, therefore the simple and easy modification of such as using the utility model specification and graphic content to do and equivalent structure change, all should in like manner be contained in protection range of the present utility model, Chen Ming is given in conjunction.
Claims (4)
1. an impedance-matching device for network signal treatment circuit, is characterized in that, comprises the first connection side, the second connection side, treatment circuit and impedance matching unit, wherein:
This first connection side is in order to be electrically connected at network chip;
This second connection side is in order to be electrically connected at network connector;
This treatment circuit is electrically connected between the first connection side, the second connection side, and be provided with the multiple circuit channel being electrically connected the first connection side and the second connection side respectively, the each circuit channel electric capacity respectively in series coupled circuit, and the inductive bank between any two adjacent circuit channels again in parallel coupling circuits; And
This impedance matching unit is series between any two the adjacent circuit channels in treatment circuit, and is provided with the microstrip line winding on any two adjacent circuit channels of being series between the first connection side and inductive bank.
2. the impedance-matching device of network signal treatment circuit according to claim 1, it is characterized in that, this first connection side is provided with multiple first pins being electrically connected at network chip, and the second connection side is provided with multiple second pins being electrically connected at network connector.
3. the impedance-matching device of network signal treatment circuit according to claim 1, it is characterized in that, the palisade that each microstrip line winding in this impedance matching unit utilizes the tight adjacent fashion of single coil to transfer continuously respectively, unroll in plane formula arranges, then is electrically connected at the first connection side, opposite side respectively with each microstrip line winding one end and is electrically connected at each inductive bank respectively.
4. the impedance-matching device of network signal treatment circuit according to claim 1, it is characterized in that, this impedance matching unit is taken shape between multilayer circuit board by configuration mode, and is series at the treatment circuit between the first connection side of this multilayer circuit board, the second connection side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280056.7U CN204697027U (en) | 2015-05-04 | 2015-05-04 | The impedance-matching device of network signal treatment circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280056.7U CN204697027U (en) | 2015-05-04 | 2015-05-04 | The impedance-matching device of network signal treatment circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204697027U true CN204697027U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520280056.7U Ceased CN204697027U (en) | 2015-05-04 | 2015-05-04 | The impedance-matching device of network signal treatment circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233347A (en) * | 2019-06-04 | 2019-09-13 | 江苏三和欣创通信科技有限公司 | Ultra-wideband antenna four-point feed network |
-
2015
- 2015-05-04 CN CN201520280056.7U patent/CN204697027U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233347A (en) * | 2019-06-04 | 2019-09-13 | 江苏三和欣创通信科技有限公司 | Ultra-wideband antenna four-point feed network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20181218 Decision number of declaring invalidation: 38182 Granted publication date: 20151007 |