CN201104360Y - Satellite signal splitter - Google Patents
Satellite signal splitter Download PDFInfo
- Publication number
- CN201104360Y CN201104360Y CNU2007200632079U CN200720063207U CN201104360Y CN 201104360 Y CN201104360 Y CN 201104360Y CN U2007200632079 U CNU2007200632079 U CN U2007200632079U CN 200720063207 U CN200720063207 U CN 200720063207U CN 201104360 Y CN201104360 Y CN 201104360Y
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- satellite
- microstrip
- branch
- splitter
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- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a satellite signal splitter belongs to satellite shared antenna TV (SMATV) field. The structure of the splitter is that an integrated splitter shell, a double-layer branch circuit printing plate and an input end (4), an output end (5) and branch ends (6, 7) which are connected with the double-layer branch circuit printing plate are arranged; the input end (4) on the printing plate of the double-layer branch circuit is connected with the output end through the primary microstrip directional coupling line (1), one end of the secondary microstrip directional coupling line (2) is grounded through a resistor (R1), and the other end correspondingly selects direct output or combined branch output through one or more than one microstrip power divider (3) according to the number of branch ends; the microstrip power divider (3) is a belt ring with an opening in the middle, and a resistor (R2) is bridged at the opening; the utility model discloses a ware technique is divided to microstrip coupler and microstrip merit, and at 950MHz ~ 2050MHz operating band performance ten minutes excellence, frequency response is good, and insertion loss is less than 1 dB.
Description
Technical field
The utility model relates to Satellite Master Antenna TeleVision (Satellite Master AntennaTelevision is abbreviated as SMATV) field, is specifically related to the satellite-signal splitter.
Background technology
Splitter is a kind of critical piece that is widely used in the cable TV CATV system, and the cable TV splitter of prior art is to use the system at CATV, and its frequency range is 5MHz~860MHz; Along with the increased popularity of satellite broadcasting television business, the satellite intermediate-freuqncy signal that expectation receives satellite antenna is transported to each family by cable.And the frequency range of the satellite intermediate-freuqncy signal (SMATV-IF) in the SMATV Satellite Master Antenna TeleVision system is 950MHz~2050MHz, high operating frequency like this, utilize existing CATV splitter on cable, these all signal allocation to be transported to each family, in the broadband of 950MHz~2050MHz, can not obtain high perfect performance, it is very big to show as loss, transmission range is very short, and transmission progression seldom.
At present, relevant satellite-signal splitter technology does not see that relevant report is arranged both at home and abroad.
The utility model content
The technical problems to be solved in the utility model provides a kind of satellite-signal splitter, the insertion loss of this splitter in 950MHz~2050MHz scope is very little, is particularly suitable for the transmission of satellite intermediate-freuqncy signal, and it is less to have loss, transmission range is long, the many characteristics of transmission progression.
Technical thought of the present utility model is: according to the transmission characteristic of high-frequency signal, the employing microstrip circuit is made, test through the calculating of many complexity and composing repeatedly, make the insertion loss of splitter in 950MHz~2050MHz scope very little, be particularly suitable for the transmission of satellite intermediate-freuqncy signal (SMATV_IF), be fit to more progression, longer-distance transmission.
Can make following breed structure according to this technical thought:
950MHz~2050MHz satellite-signal one splitter;
950MHz~2050MHz satellite-signal two splitters;
950MHz~2050MHz satellite-signal three splitters;
950MHz~2050MHz satellite-signal four splitters;
The technical solution of the utility model is achieved in that
A kind of satellite-signal splitter comprises integrated splitter shell, double layer printed circuit version, the various microstrip circuits on the double layer printed circuit version, and the input that is attached thereto, output and branch end.
Satellite-signal splitter input is connected to output splitter end through little band coupling line (1), one end resistance grounded of microstrip directional coupling line (2), what of branch's output number the other end press, and corresponding selection is directly exported or exported by one or more microstrip power dividers combination branches; Described microstrip power divider is the middle band that opening is arranged, and opening part has the resistance cross-over connection; The port that above-mentioned input, output and branch end are respectively guided shell into is the F type connector of 75 Ω.
The utility model has adopted microstrip coupler and microstrip power divider technology, and very good in 950MHz~2050MHz working band performance, frequency response is good, inserts loss less than 1dB; The utility model satellite-signal splitter does not have specific (special) requirements to used double-deck printing version, the every production technology of resistive element, and the good property produced by batch is arranged.
Description of drawings
The utility model is elaborated with concrete execution mode below in conjunction with accompanying drawing:
Fig. 1 is satellite-signal one a splitter schematic diagram of the present utility model;
Fig. 2 is satellite-signal two splitter schematic diagrams of the present utility model;
Fig. 3 is satellite-signal three splitter schematic diagrams of the present utility model;
Fig. 4 is satellite-signal four splitter schematic diagrams of the present utility model.
Embodiment
Following is embodiment of the present utility model:
Accompanying drawing 1 is satellite-signal one splitter circuit theory diagrams, it is made up of a pair of microstrip coupled line (1) (2) and resistance R 1 parallel to each other, the input 4 of two splitters is connected to output through little band coupling line (1), one end of microstrip directional coupling line (2) is through resistance R 1 ground connection, and the other end is branch's output 6.
Accompanying drawing 2 is satellite-signal two splitter circuit theory diagrams, it is made up of an a pair of microstrip coupled line (1) (2) parallel to each other and a microstrip power divider (3), the input 4 of two splitters is connected to output through little band coupling line (1), one end of microstrip directional coupling line (2) is through resistance R 1 ground connection, the other end forms two branch's outputs 6,7 by a microstrip power divider 3, described microstrip power divider (3) is the middle band that opening is arranged, and opening part has resistance R 2 cross-over connections.
Accompanying drawing 3 is satellite-signal three splitter circuit theory diagrams, it is made up of a pair of microstrip coupled line (1) (2) parallel to each other and three microstrip power dividers (3), (4), (5), the input 4 of three splitters is connected to splitter output 5 through little band coupling line 1, one end of little band coupling line 2 is through resistance R 1 ground connection, the other end is by the distribution of three microstrip power dividers 3,4,5, form branch's output 6,7,8, microstrip power divider (3), (4), (5) have the band of opening in the middle of being, opening part respectively cross-over connection resistance R 2, R3, R4 are arranged.
Accompanying drawing 4 is satellite-signal four splitter circuit theory diagrams, it is made up of a pair of microstrip coupled line (1) (2) parallel to each other and three microstrip power dividers (3), (4), (5), the input 4 of four splitters is connected to splitter output 5 through little band coupling line 1, one end of little band coupling line 2 is through resistance R 1 ground connection, the other end is by the distribution of three microstrip power dividers 3,4,5, form branch's output 6,7,8,9, microstrip power divider (3), (4), (5) are the middle bands that opening is arranged, and in opening punishment cross-over connection resistance R 2, R3, R4 are arranged.
Claims (6)
1. a satellite-signal splitter comprises integrated splitter shell, the double-deck version of printing, input (4), output (5) and branch's output (6,7,8,9) that double-deck printing version goes up microstrip circuit and is attached thereto; It is characterized in that: the double-deck splitter input of printing on the version (4) is connected to output through little band coupling line (1), secondary (2) one ends of little band coupling line that parallel with it are through resistance (R1) ground connection, the other end is by the number of branch's output, and corresponding selection is directly exported or formed two or more branches' output by one or more microstrip power dividers (3,4,5); Described microstrip power divider (3,4,5) is the middle band that opening is arranged, and opening part has resistance (R2, R 3, R4) cross-over connection;
2. satellite-signal splitter according to claim 1, its feature also is: the port that described input (4), output (5) and branch end (6,7,8,9) are respectively guided shell into is the F type connector of 75 Ω.
3. satellite-signal splitter according to claim 1 and 2, its feature also is: described branch output has only one, is directly exported by little band coupling line secondary (2).
4. satellite-signal splitter according to claim 1 and 2, its feature also is: described branch output has two, and it forms two branch's outputs by a microstrip power divider (3).
5. satellite-signal splitter according to claim 1 and 2, its feature also is: described branch output has three, and it forms three branch's outputs by three microstrip power dividers (3,4,5).
6. satellite-signal splitter according to claim 1 and 2, its feature also is: described branch output has four, and it forms four branch's outputs by three microstrip power dividers (3,4,5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200632079U CN201104360Y (en) | 2007-05-14 | 2007-05-14 | Satellite signal splitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200632079U CN201104360Y (en) | 2007-05-14 | 2007-05-14 | Satellite signal splitter |
Publications (1)
Publication Number | Publication Date |
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CN201104360Y true CN201104360Y (en) | 2008-08-20 |
Family
ID=39951388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200632079U Expired - Fee Related CN201104360Y (en) | 2007-05-14 | 2007-05-14 | Satellite signal splitter |
Country Status (1)
Country | Link |
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CN (1) | CN201104360Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2528278A (en) * | 2014-07-16 | 2016-01-20 | Technetix Bv | Cable tap |
US10050328B2 (en) | 2015-11-27 | 2018-08-14 | Technetix B.V. | Cable tap |
-
2007
- 2007-05-14 CN CNU2007200632079U patent/CN201104360Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2528278A (en) * | 2014-07-16 | 2016-01-20 | Technetix Bv | Cable tap |
WO2016008658A1 (en) * | 2014-07-16 | 2016-01-21 | Technetix B.V. | Cable tap |
US10103420B2 (en) | 2014-07-16 | 2018-10-16 | Technetix B.V. | Cable tap |
GB2528278B (en) * | 2014-07-16 | 2020-12-16 | Technetix Bv | Cable tap |
US10050328B2 (en) | 2015-11-27 | 2018-08-14 | Technetix B.V. | Cable tap |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080820 |