CN203104588U - XDSL (x Digital Subscriber Line) voice separator - Google Patents
XDSL (x Digital Subscriber Line) voice separator Download PDFInfo
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- CN203104588U CN203104588U CN 201220738012 CN201220738012U CN203104588U CN 203104588 U CN203104588 U CN 203104588U CN 201220738012 CN201220738012 CN 201220738012 CN 201220738012 U CN201220738012 U CN 201220738012U CN 203104588 U CN203104588 U CN 203104588U
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- inductance
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- xdsl
- parallel
- xdsl splitter
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Abstract
The utility model discloses an XDSL voice separator, which comprises an inductor L1, an inductor L2, a capacitor C1 and a capacitor C2 in parallel connection in a loop and having filtering effect. A resonance circuit capable of reducing signal attenuation is connected in parallel with the loop, and composed of an inductor L3 and a capacitor C3 in series connection. The resonance circuit of each XDSL voice separator can generate resonant frequency to adjust impedance match of the circuit, and when three XDSL voice separators are connected in parallel, echo loss is 300-3400Hz >14dB, attenuation is 30K-17MHz >40dB, and insertion loss is 1KHz<0.8 dB, which accord with standards of MidAmerican and South American countries.
Description
Technical field
The utility model relates to XDSL Splitter art, refers in particular to a kind of XDSL Splitter that is used for South American nations.
Background technology
At present developing country is developing rapidly aspect the XDSL broadband, and especially in Brazil, Brazil does not only reduce in XDSL market since the financial crisis in 08 year, measures on the contrary in continuous increase.Originally this part Splitter requirement technical specification is that 1 Splitter test of return loss requirement is 300-3400Hz〉14dB, 3 Splitter decay in parallel 30K-1104K〉40dB, 3 Splitter loss 1KHz＜0.8dB that insert in parallel, above standard realizes that easily all sell goods all can reach requirement on the market now.
Return loss when issuing requirement and 3 Splitters along with the Brazilian telecommunications Telefunica VDSL standard new in 2012 is at 300-3400Hz〉14dB, 3 Splitter decay in parallel 30K-17MHz〉40dB, 3 Splitter loss 1KHz＜0.8dB that insert in parallel.Because what influence return loss is the impedance matching of ADSL Splitter, when 3 Splitters and when testing, impedance matching changes because of the impedance of parallel connection, causes to reach standard-required.
The utility model content
In view of this, the utility model is at the disappearance of prior art existence, its main purpose provides a kind of XDSL Splitter, effectively reduce the signal attenuation that is connected in parallel on the wide-band transmission broadband transmission, reduce return loss and in parallelly insert loss, guarantee the communication apparatus of parallel connection can obtain preferable telecommunication signal.
For achieving the above object, the utility model adopts following technical scheme:
A kind of XDSL Splitter comprises being parallel to inductance L 1, L2 and capacitor C 1, the C2 that strobes in the circuit loop, and this circuit loop also is parallel with a resonant circuit that can reduce signal attenuation, and this resonant circuit is in series by inductance L 3 and capacitor C 3.
Preferably, described inductance L 1, L2, L3 are the I shape inductance.
Preferably, the distance of the inductance between described inductance L 1 and the inductance L 2 is 2.0-3.5mm.
Preferably, described capacitor C 1, C2 shunt capacitance value are 9-12nF.
Preferably, the inductance value of described inductance L 2 requires to be 2.1-2.5mH.
Preferably, the capacitance of described capacitor C 3 is 9-12nF, and the inductance value of inductance L 3 is 2.8-3.2mH.
Preferably, described capacitor C 1, C2, C3 three's total capacitance value is added up and is no more than 25 nF.
Preferably, the two poles of the earth of described inductance L 2 are in series with capacitor C 4 and capacitor C 5.
The utility model compared with prior art has tangible advantage and beneficial effect, particularly, as shown from the above technical solution, it mainly is to increase the resonant circuit that is made of inductance L 3 and capacitor C 3 series connection on traditional circuit loop, to constitute new XDSL Splitter, when being parallel to it on wide-band transmission broadband transmission, can effectively reduce signal attenuation, also reduce return loss and insertion loss in parallel, the communication apparatus that guarantees institute's parallel connection can obtain preferable telecommunication signal, certain standard that also can meet middle South America respective country.
For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the structural principle block diagram of the embodiment broadband system of the utility model;
Fig. 2 is the circuit diagram of XDSL Splitter among the embodiment of the utility model;
Fig. 3 is the distance value between inductance L 1 among the embodiment of the utility model, the L2.
The drawing reference numeral explanation:
1, XDSL broadband system 10, wide-band transmission broadband transmission
20, XDSL Splitter 21, resonant circuit
L1, L2, L3, inductance
C1, C2, C3, C4, C5, electric capacity
30, telephone set 40, router
50, computer.
Embodiment
Please refer to shown in Figure 1, it has demonstrated the concrete structure of the preferred embodiment of the utility model, the XDSL broadband system 1 of middle South American region comprises wide-band transmission broadband transmission 10 and is three XDSL Splitters 20 that are parallel to wide-band transmission broadband transmission 10, can direct connection telephone machine 30 on each XDSL Splitter 20, also can connect computer 50 by router four 0.As shown in Figure 2, each XDSL Splitter 20 is connected on connection jaws and the telephone set 30(or router four 0 device of wide-band transmission broadband transmission 10) between, the circuit of each XDSL Splitter 20 is by capacitor C 1, C2, C3 and I-shaped inductance L 1, L2, L3 constitutes, wherein, this inductance L 3 forms resonant circuit 21 with being connected in parallel on after capacitor C 3 is connected in the circuit loop, this inductance L 1, capacitor C 1, capacitor C 2, inductance L 2 is connected in parallel in the circuit loop with resonant circuit 21 successively, because I-shaped electric induction is used, signal attenuation can be realized reducing on the one hand, cost can also be saved on the other hand.In addition, in all right series capacitance C4 in the two poles of the earth of inductance L 2 and capacitor C 5, also can not use capacitor C 4, C5.
Each electric capacity and resistance must meet following specification:
1, as shown in Figure 3, the distance of the inductance between inductance L 1 and the inductance L 2 is 2.0-3.5mm.
2, the inductance value of inductance L 1 requires to be 2.1-2.5mH, and capacitor C 1, C2 shunt capacitance value are 9-12nF.
3, the inductance value of inductance L 2 is 2.8-3.2mH.
4, the capacitance of capacitor C 3 is 9-12nF, and the inductance value of inductance L 3 is 2.8-3.2mH, and capacitor C 3 is connected with inductance L 3 and produced resonance frequency, makes decay reach the requirement of 40dB.
5, the total value of capacitor C 1, C2, three electric capacity of C3 is added up and is no more than 25 nF, makes 3 Splitter return losses in parallel reach〉requirement of 14dB.
In the circuit, inductance L 1, L2 cooperate with capacitor C 1, C2, C4, C5 and are used for filtering and frequency-selecting, have only specific frequency to pass through.Inductance L 3 cooperates the resonant circuit 21 that forms to filter the remaining frequency of not wanting once more with capacitor C 3, and produces resonance frequency.
Through repeatedly experiment repeatedly, the resonant circuit 21 of XDSL Splitter 20 can produce resonance frequency in the present embodiment, the impedance matching of regulating circuit, make and the return loss of 3 XDSL Splitters 20 when being parallel to wide-band transmission broadband transmission 10 at 300-3400Hz 14dB, 3 XDSL Splitter 20 decay 30K-17MHz in parallel〉40dB, 3 XDSL Splitter 20 loss 1KHz＜0.8dB that insert in parallel, the standard of South American nations in meeting.
In sum, design focal point of the present utility model is, it mainly is to increase the resonant circuit 21 that is made of inductance L 3 and capacitor C 3 series connection on traditional circuit loop, to constitute new XDSL Splitter, when being parallel to it on wide-band transmission broadband transmission, signal attenuation be can effectively reduce, return loss and insertion loss in parallel also reduced, the communication apparatus that guarantees institute's parallel connection can obtain preferable telecommunication signal, certain standard that also can meet middle South America respective country.
The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. XDSL Splitter, comprise and be parallel to inductance L 1, L2 and capacitor C 1, the C2 that strobes in the circuit loop, it is characterized in that: this circuit loop also is parallel with a resonant circuit that can reduce signal attenuation, and this resonant circuit is in series by inductance L 3 and capacitor C 3.
2. XDSL Splitter according to claim 1 is characterized in that: described inductance L 1, L2, L3 are the I shape inductance.
3. XDSL Splitter according to claim 2 is characterized in that: the inductance distance between described inductance L 1 and the inductance L 2 is 2.0-3.5mm.
4. XDSL Splitter according to claim 1 is characterized in that: described capacitor C 1, C2 shunt capacitance value are 9-12nF.
5. XDSL Splitter according to claim 1 is characterized in that: the inductance value of described inductance L 2 requires to be 2.1-2.5mH.
6. XDSL Splitter according to claim 1 is characterized in that: the capacitance of described capacitor C 3 is 9-12nF, and the inductance value of inductance L 3 is 2.8-3.2mH.
7. XDSL Splitter according to claim 1 is characterized in that: described capacitor C 1, C2, C3 three's total capacitance value is added up and is no more than 25 nF.
8. XDSL Splitter according to claim 1 is characterized in that: the two poles of the earth of described inductance L 2 are in series with capacitor C 4 and capacitor C 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738012 CN203104588U (en) | 2012-12-28 | 2012-12-28 | XDSL (x Digital Subscriber Line) voice separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220738012 CN203104588U (en) | 2012-12-28 | 2012-12-28 | XDSL (x Digital Subscriber Line) voice separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104588U true CN203104588U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220738012 Expired - Fee Related CN203104588U (en) | 2012-12-28 | 2012-12-28 | XDSL (x Digital Subscriber Line) voice separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332778A (en) * | 2014-10-14 | 2015-02-04 | 智嘉通讯科技(东莞)有限公司 | Distributed voice separator and voice socket thereof |
-
2012
- 2012-12-28 CN CN 201220738012 patent/CN203104588U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332778A (en) * | 2014-10-14 | 2015-02-04 | 智嘉通讯科技(东莞)有限公司 | Distributed voice separator and voice socket thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20201228 |