CN206194945U - LNB module - Google Patents
LNB module Download PDFInfo
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- CN206194945U CN206194945U CN201621161747.6U CN201621161747U CN206194945U CN 206194945 U CN206194945 U CN 206194945U CN 201621161747 U CN201621161747 U CN 201621161747U CN 206194945 U CN206194945 U CN 206194945U
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- 125000006850 spacer group Chemical group 0.000 claims description 20
- 238000009432 framing Methods 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 10
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 claims description 9
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000007639 printing Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6143—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a satellite
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Astronomy & Astrophysics (AREA)
- Signal Processing (AREA)
- Radar, Positioning & Navigation (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Aviation & Aerospace Engineering (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a LNB module, LNB module includes: LNB circuit, satellite positioning signal circuit, F head and radio frequency printing circuit board, radio frequency printing circuit board has born LNB circuit, satellite positioning signal circuit and F head, the LNB circuit with wherein, signal that the LNB circuit was received with the signal that the satellite positioning signal circuit was received is exported at F capitiform cheng helu. In the implementation process, the combination of satellite positioning signal circuit and LNB circuit, with satellite positioning signal circuit and LNB circuit respectively as for the both sides of F head, can reduce the interference of between two circuit.
Description
Technical field
The utility model is related to satellite TV technology field, and in particular to a kind of LNB modules.
Background technology
Global positioning satellite system (Global Positioning System, GPS) is to provide the user to determine using satellite
Position, navigation, mapping, monitoring, time service service.Satellite fix have full-time sky, all-weather, high accuracy, it is continuous provide in real time navigation,
The characteristics of positioning and time service, therefore in economic development, social construction and management, scientific research, Disaster Assessment and prevention and control and army
Thing field plays the every aspect of vital effect, relation national defense safety and people's life.There are the four big whole world in the current whole world
Positioning satellite (GNSS):The GPS in the U.S.（Global Positioning System）, Russia GLONASS
（Global Navigation Satellite System）, Europe Galileo and China Big Dipper COMPASS.Civilian
In terms of navigation, the working frequency range of four big navigation system is：The L1 of GPS of America（1575.42±1.023MHz）, Russia
The G1 of GLONASS（1602±0.5625MHz）, Europe Galileo E1（1561.098±2.046MHz）With the Chinese Big Dipper two
The B1 in generation（1561.098±2.046MHz）Frequency range.Because the satellite distribution of these systems is in different orbit planes, to each
For individual user, the distribution of the satellite of single navigation system in space is limited, the accuracy of positioning service, security, reliability
Cannot be protected with availability；The need for politics, military affairs, the master control side of satellite system is also possible to out of service or provides wrong
False information；Following satellite positioning navigation will be compatible multi-mode, multisystem combined positioning, the satellite shape of multiple navigation system
Into complementary and be mutually authenticated, by increasing capacitance it is possible to increase the quantity of visible satellite, precision, reliability and the security of positioning are improved.Particularly
The advantage in the case where the signals such as urban canyons, Jungln Jam are seriously blocked is it is obvious that satellite positioning receiver is towards more
The compatible direction of mould is developed.
With the development of information technology, wideband direct broadcast satellite TV tuner（Low Noise Block Down-Converter,
LNB）Product is greatly promoted in rural areas, but because market mountain vallage machine, flight data recorder are more and more, even more there is country
The box of bid is brought into city and uses, the market of the local wired digital set-top box of impact, is caused confusion to market and management.Cause
And General Bureau of Radio, Film and Television is proposed the product of Big Dipper wideband direct broadcast satellite TV tuner, its final purpose is that general family provides in every family to broadcasting and TV
Meet its technical need, stabilization, high-quality product and want low cost, provide satisfactory product and service to client.
Antenna be located at global position system front end, major function be for receiving satellite positioning signal, its performance it is excellent
The bad performance that decide global position system to a certain extent.Positioning antenna of today will not only meet user to receiving satellite
The requirement of framing signal quality, also to meet positions terminal volume miniaturization requirement, therefore antenna take as far as possible it is less
Spatial volume, while ensureing preferable antenna performance.At present, the more positioning antenna products of in the market are to cover GPS frequently
Section or GPS, GLONASS frequency range etc., it is contemplated that process variations and applied environment difference, the band requirement of antenna covering are bigger.
At present General Bureau of Radio, Film and Television is published in national news（Abbreviation General Bureau of Radio, Film and Television）Under the unified plan of science and technology department, preparation is led in every family and uses the Big Dipper
Positioning method, substitutes GPRS positioning comprehensively, and this origin of an incident science and technology department determines.The frequency range that i.e. Beidou II is combined with GPS again with LNB groups
It is combined and is transmitted by coaxial cable, is linked into digital satellite receiver for users to use.Wherein Big Dipper frequency is
Main signal, GPS frequencies play a part of to detect and calibrate the Big Dipper in live broadcasting satellite television tuner product.
Integrated LNB circuits and satellite positioning signal are receiving direct satellite television broadcasing signal and satellite in one in LNB
During the signal of position, certain interference can be each other produced, and be directed to the how simultaneously compatibility LNB of the RF pcb boards in LNB modules
Circuit, satellite positioning circuitry, it is also desirable to consider that interference to each other is eliminated.
Utility model content
For the deficiency for introducing performance on LNB circuits and satellite positioning circuitry in existing satellite fix LNB modules simultaneously, carry
For a kind of LNB modules, by the layout designs between each circuit and F, realize good between LNB circuits and satellite positioning circuitry
Good compatibility, does not result in the interference between signal.
The utility model provides a kind of LNB modules, and the LNB modules include：LNB circuits, satellite positioning signal circuit,
F and radio frequency printed circuit plate, the radio frequency printed circuit plate carry LNB circuits, satellite positioning signal circuit and F heads, institute
State LNB circuits and the satellite positioning signal circuit and be located at the both sides of F respectively, the signal of the LNB circuits reception and described
The signal that satellite positioning signal circuit is received is exported in F capitiforms into combining.
Preferably, the LNB circuits periphery is provided with the spacer with certain altitude, and the spacer is by the LNB
Circuit region separates with the satellite positioning signal circuit region.
Preferably, the LNB circuits and described F are located in the spacer, or described F positioned at the spacer
Outward.
Preferably, the spacer（5）Higher than the satellite positioning antennas in satellite positioning signal circuit, or less than satellite
Satellite positioning antennas in positioning signal circuit.
Preferably, the satellite positioning signal circuit includes feeder distributing point, active amplifying circuit, the antenna feed
Line distributing point is used to connect satellite positioning antennas, and the satellite positioning signal circuit has to be put from feeder distributing point to active
The access circuit that big circuit is formed, the access circuit is linked into F heads.
Preferably, the feeder distributing point is connected to satellite positioning antennas, and the satellite positioning antennas are ceramic day
Line or PIFA antennas or helical antenna.
Preferably, the satellite positioning antennas, satellite fix receiving circuit, LNB circuits are located at radio frequency printed circuit plate
Identical faces；It is described by antenna feed or the satellite positioning antennas, LNB circuits are located at the radio frequency printed circuit plate identical faces
Line distributing point is located at the back side to the access circuit that active amplifying circuit is formed.
Preferably, the satellite positioning signal circuit region is additionally provided with the antenna reflective face for corresponding to antenna, institute
State antenna reflective face periphery and be additionally provided with loop ground.
Preferably, the access circuit of the LNB circuits and the access circuit of the satellite positioning signal circuit are same
Remittance F heads on horizontal line, or the access circuit of the LNB circuits is mutual with the access circuit of the satellite positioning signal circuit
Vertically it is imported on F heads.
Preferably, the intermediate-freuqncy signal scope of the LNB circuits reception is：950-1450MHz, the satellite positioning signal electricity
The satellite positioning signal scope that satellite positioning antennas in road are received is：1561MHz-1575MHz.
Preferably, the satellite positioning signal is：Big-dipper satellite framing signal or gps satellite framing signal,
Galileo satellite framing signal, Glonass satellite positioning signals, dual mode satellite framing signal, multi-mode satellite framing signal.
In the utility model embodiment and LNB circuits combination, by satellite positioning signal circuit and LNB circuits respectively extremely
In the both sides of F, it is possible to reduce the interference between two circuits.In LNB circuit peripherals, spacer is set, it is more effective to reduce LNB electricity
Interference effect between road and satellite positioning signal, is placed on LNB signal input parts anti-by feeder distributing point, output amplifier
Direction be F output the right to reduce interference between the two, so as to preferably realize two circuits in same pcb board
Good compatibility.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is LNB modular structure first embodiment schematic diagrames in the utility model embodiment；
Fig. 2 is LNB modular structure second embodiment schematic diagrames in the utility model embodiment；
Fig. 3 is LNB modular structure 3rd embodiment schematic diagrames in the utility model embodiment；
Fig. 4 is LNB modular structure fourth embodiment schematic diagrames in the utility model embodiment；
Fig. 5 is the embodiment schematic diagram of LNB modular structures the 5th in the utility model embodiment；
Fig. 6 is LNB modular structure sixth embodiment schematic diagrames in the utility model embodiment；
Fig. 7 is the embodiment schematic diagram of LNB modular structures the 7th in the utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 shows the LNB modular structure first embodiment schematic diagrames involved by the utility model embodiment, the LNB moulds
Block includes：LNB circuits（1）, satellite positioning signal circuit（3）, F heads（4）With radio frequency printed circuit plate（2）, radio frequency printing electricity
Road plate（2）Carry LNB circuits（1）, satellite positioning signal circuit（3）With F heads（4）, the LNB circuits（1）With the satellite fix
Signal circuit（3）F heads are located at respectively（4）Both sides, the LNB circuits（1）The signal and satellite positioning signal circuit of reception（3）Connect
The signal of receipts is in F heads（4）Form combining output.
It should be noted that in first embodiment structure chart, the LNB circuits（1）Access circuit and the satellite fix
Signal circuit（3）Access circuit F heads are imported on same horizontal line.
Fig. 2 shows the LNB modular structure second embodiment structural representations involved by the utility model embodiment, should
LNB modules include：LNB circuits（1）, satellite positioning signal circuit, F heads（4）With radio frequency printed circuit plate（2）, radio frequency printing
Circuit board（2）Carry LNB circuits（1）, satellite positioning signal circuit and F heads（4）, the LNB circuits（1）Believe with the satellite fix
Number circuit is located at F heads respectively（4）Both sides.The satellite positioning signal circuit（3）Including feeder distributing point, active amplification electricity
Road, the feeder distributing point is used to connect satellite positioning antennas, and the feeder distributing point is located at F heads（4）The satellite of side
Positioning signal circuit（3）Region, the active amplifying circuit is located at F heads（4）The satellite positioning signal circuit of side（3）Place
Region, the F heads（4）With active amplifying circuit respectively positioned at the both sides of feeder distributing point, the satellite positioning signal circuit（3）
With the access circuit formed to active amplifying circuit from feeder distributing point, the access circuit is linked into F heads（4）.
It should be noted that in second embodiment structure chart, the LNB circuits（1）Access circuit and the satellite fix
Signal circuit（3）Access circuit F heads are imported on same horizontal line.
It should be noted that under conditions of pcb board is allowed enough, the active amplifying circuit is with feeder distributing point not
It is limited to access circuit design, it can be various modes, such as is directly imported from feeder distributing point to F, is converged to F
Enter and be in series with circuit active amplifying circuit etc., and imported into loop without reverse F capitiforms.
Fig. 3 shows the LNB modular structure 3rd embodiment structural representations in the utility model embodiment, the LNB moulds
Block includes：LNB circuits（1）, satellite positioning signal circuit, F heads（4）With radio frequency printed circuit plate（2）, the radio frequency printed circuit plate
（2）Carry LNB circuits（1）, satellite positioning signal circuit and F heads（4）, the LNB circuits（1）With the satellite positioning signal circuit
F heads are located at respectively（4）Both sides.Further, the satellite positioning signal circuit（3）In use ceramic antenna, the ceramics
Antenna is electrically connected with feeder distributing point.
It should be noted that the LNB circuits（1）Access circuit and the satellite positioning signal circuit（3）Access circuit
F heads are imported on same horizontal line.
It should be noted that the ceramic antenna（31）With LNB circuits（1）Positioned at radio frequency printed circuit plate（2）The same face, by
The circuit of the composition such as feeder distributing point and active amplifying circuit may be located at radio frequency printed circuit plate the same face, it is also possible to position
In radio frequency printed circuit back.
Fig. 4 shows the LNB modular structure fourth embodiment structural representations in the utility model embodiment, the LNB moulds
Block includes：LNB circuits（1）, satellite positioning signal circuit, F heads（4）With radio frequency printed circuit plate（2）, the radio frequency printed circuit plate
（2）Carry LNB circuits（1）, satellite positioning signal circuit and F heads（4）, the LNB circuits（1）With the satellite positioning signal circuit
F heads are located at respectively（4）Both sides.Further, the satellite positioning signal circuit（3）Also include a ceramic antenna, the ceramic day
Line is electrically connected with feeder distributing point.
It should be noted that in fourth embodiment structure chart, the LNB circuits（1）Access circuit and the satellite fix
Signal circuit（3）Access circuit be mutually perpendicular to be imported on F heads.
It should be noted that the ceramic antenna（31）With LNB circuits（1）Positioned at radio frequency printed circuit plate（2）The same face, by
The circuit of the composition such as feeder distributing point and active amplifying circuit may be located at radio frequency printed circuit plate（2）The same face, also may be used
With positioned at radio frequency printed circuit plate（2）The back side.
Fig. 5 shows the example structure schematic diagram of LNB modular structures the 5th in the utility model embodiment, the LNB moulds
Block includes：LNB circuits（1）, satellite positioning signal circuit, F heads（4）With radio frequency printed circuit plate（2）, the radio frequency printed circuit plate
（2）Carry LNB circuits（1）, satellite positioning signal circuit and F heads（4）, the LNB circuits（1）With the satellite positioning signal circuit
F heads are located at respectively（4）Both sides.Further, the satellite positioning signal circuit（3）Also include a PIFA antennas, this is PIFA days
Line is electrically connected with feeder distributing point.
It should be noted that in the 5th example structure figure, the LNB circuits（1）Access circuit and the satellite fix
Signal circuit（3）Access circuit F heads are imported on same horizontal line.
It should be noted that the PIFA antennas and LNB circuits（1）Positioned at radio frequency printed circuit plate（2）The same face, by antenna
The circuit of the composition such as feeder line distributing point and active amplifying circuit is located at radio frequency printed circuit plate（2）The back side, it is also possible to positioned at identical
Face.Positioned at circuit board（2）During the back side, can be provided with the satellite positioning signal circuit region and correspond to PIFA antennas
Antenna reflective face, the antenna reflective face periphery can be provided with loop ground.On PIFA antenna structure views, this public affairs is see
In department's related application, no longer repeat one by one here.
Fig. 6 shows the LNB modular structure sixth embodiment structural representations in the utility model embodiment, the LNB moulds
Block includes：LNB circuits（1）, satellite positioning signal circuit（3）, F heads（4）, radio frequency printed circuit plate（2）And insulated column（5）, should
Radio frequency printed circuit plate（2）Carry LNB circuits（1）, satellite positioning signal circuit（3）With F heads（4）, with LNB circuits（1）
Periphery is provided with the spacer with certain altitude（5）, the spacer（5）By LNB circuits（1）Believe with satellite fix region
Number circuit（3）Region separates, the LNB circuits（1）The signal and satellite positioning signal circuit of reception（3）The signal of reception
Exported into combining in F capitiforms.
It should be noted that the LNB circuits（1）Access circuit and the satellite positioning signal circuit（3）Access circuit
F heads are imported on same horizontal line.Spacer with certain altitude（5）Typically with satellite positioning signal circuit in satellite
Positioning antenna height is equally matched, can exceed satellite positioning antennas highly, it is also possible to suitably low to cross satellite positioning antennas highly.
Here satellite positioning antennas are typically using ceramic antenna, PIFA antennas, helical antenna etc..
Spacer（5）Can be in F heads（4）With satellite positioning signal circuit（3）Between set, it is also possible in F heads（4）With defend
Star positioning signal circuit（1）Between set, it has anti-tampering performance more excellent.
Fig. 7 shows the embodiment schematic diagram of LNB modular structures the 7th involved by the utility model embodiment, the LNB moulds
Block includes：LNB circuits（1）, satellite positioning signal circuit, F heads（4）, radio frequency printed circuit plate（2）And insulated column（5）, the radio frequency
Printed circuit board (PCB)（2）Carry LNB circuits（1）, satellite positioning signal circuit and F heads（4）, the LNB circuits（1）With the satellite
Position signal circuit is located at F heads respectively（4）Both sides, with LNB circuits（1）Satellite positioning signal circuit in approximately the same plane
（3）Periphery is provided with the spacer with certain altitude（5）, the spacer（5）By LNB circuits（1）Region and satellite
Position signal circuit（3）Region separates, the LNB circuits（1）The letter that the signal and satellite positioning signal circuit of reception are received
Number F capitiforms into combining export, the spacer（5）It is complete to surround LNB circuits（1）.
It should be noted that F position position in different embodiments, can be located at plate center, it is also possible to be located at
Difference, in utility model embodiment, it is only necessary to meet LNB circuits（1）Region and satellite positioning signal circuit（3）Institute
In region F both sides, therefore F can set according to various different circuits and be adjusted again.
It should be noted that the LNB circuits（1）Access circuit and the satellite positioning signal circuit（3）Access circuit
It is mutually perpendicular to import F heads.Spacer with certain altitude（5）Typically with satellite positioning signal circuit in satellite positioning antennas
It is highly equally matched, satellite positioning antennas can be exceeded highly, it is also possible to suitably low to cross satellite positioning antennas highly.Defending here
Typically using ceramic antenna, PIFA antennas, helical antenna etc., satellite positioning antennas shown in Fig. 7 are making pottery for star positioning antenna
Illustrated as a example by porcelain antenna.
It should be noted that the intermediate-freuqncy signal scope that above LNB circuits are received is：950-1450MHz, above satellite fix
The satellite positioning signal scope that satellite positioning antennas in signal circuit are received is：1561MHz-1575MHz.Satellite fix is believed
Number include：Big-dipper satellite framing signal or gps satellite framing signal, Galileo satellite framing signal, Glonass satellites
Position signal, dual mode satellite framing signal, multi-mode satellite framing signal etc..
Insulated column in the utility model embodiment can be located at LNB circuits periphery using full mode of surrounding, and it can be by
Interference reduction between LNB circuits and satellite positioning signal circuit, meets the combining output on same circuit board.The reality of spacer
During applying, a metallic shield lid, the metallic shield lid can be used to be realized by covering LNB circuits.
To sum up, the combination of the satellite positioning signal circuit and LNB circuits in the utility model embodiment, satellite fix is believed
Number circuit and LNB circuits both sides respectively as F, it is possible to reduce the interference between two circuits.By feeder distributing point, defeated
Go out amplifying circuit and be placed on i.e. F the right of output of LNB signal input parts opposite direction to reduce interference between the two, so that preferably
Realize two circuits in the good compatibility of same pcb board.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completed with instructing the hardware of correlation by program, the program can be stored in a computer-readable recording medium, storage
Medium can include：Read-only storage（ROM, Read Only Memory）, random access memory（RAM, Random
Access Memory）, disk or CD etc..
The LNB modules for being provided the utility model embodiment above are described in detail, used herein specifically
Individual example is set forth to principle of the present utility model and implementation method, and the explanation of above example is only intended to help and understands this
The method and its core concept of utility model；Simultaneously for those of ordinary skill in the art, according to think of of the present utility model
Think, will change in specific embodiments and applications, in sum, it is right that this specification content should not be construed as
Limitation of the present utility model.
Claims (11)
1. a kind of LNB modules, the LNB modules include：LNB circuits, satellite positioning signal circuit, F and radio frequency printed circuit
Plate, it is characterised in that the radio frequency printed circuit plate carries LNB circuits, satellite positioning signal circuit and F heads, the LNB electricity
Road and the satellite positioning signal circuit are located at the both sides of F, signal and the satellite fix that the LNB circuits are received respectively
The signal that signal circuit is received is exported in F capitiforms into combining.
2. LNB modules as claimed in claim 1, it is characterised in that the LNB circuits periphery is provided with certain altitude
Spacer, the spacer separates the LNB circuits region with the satellite positioning signal circuit region.
3. LNB modules as claimed in claim 2, it is characterised in that the LNB circuits and described F are located at the spacer
It is interior, or described F be located at the spacer outside.
4. LNB modules as claimed in claim 2, it is characterised in that the spacer (5) is higher than in satellite positioning signal circuit
Satellite positioning antennas, or less than the satellite positioning antennas in satellite positioning signal circuit.
5. LNB modules as claimed in claim 1, it is characterised in that the satellite positioning signal circuit includes feeder feedback
Electric point, active amplifying circuit, the feeder distributing point are used to connect satellite positioning antennas, the satellite positioning signal circuit
With the access circuit formed to active amplifying circuit from feeder distributing point, the access circuit is linked into F heads.
6. LNB modules as claimed in claim 5, it is characterised in that the feeder distributing point is connected to satellite fix day
Line, the satellite positioning antennas are ceramic antenna or PIFA antennas or helical antenna.
7. LNB modules as claimed in claim 5, it is characterised in that the satellite positioning antennas, satellite fix receiving circuit,
LNB circuits are located at the identical faces of radio frequency printed circuit plate；Or the satellite positioning antennas, LNB circuits print positioned at the radio frequency
Printed circuit board identical faces, it is described that the back side is located at from the access circuit that feeder distributing point is formed to active amplifying circuit.
8. LNB modules as claimed in claim 1, it is characterised in that the satellite positioning signal circuit region is additionally provided with
The antenna reflective face of antenna is corresponded to, the antenna reflective face periphery is additionally provided with loop ground.
9. LNB modules as claimed in claim 1, it is characterised in that the access circuit of the LNB circuits and the satellite fix
The access circuit of signal circuit imports F heads on same horizontal line, or the LNB circuits access circuit and the satellite
The access circuit of positioning signal circuit is mutually perpendicular to be imported on F heads.
10. LNB modules as described in any one of claim 1 to 9, it is characterised in that the intermediate-freuqncy signal that the LNB circuits are received
Scope is：950-1450MHz, the satellite positioning signal model that the satellite positioning antennas in the satellite positioning signal circuit are received
Enclose for：1561MHz-1575MHz.
11. LNB modules as claimed in claim 10, it is characterised in that the satellite positioning signal is：Big-dipper satellite positioning letter
Number or gps satellite framing signal, Galileo satellite framing signal, Glonass satellite positioning signals, dual mode satellite positioning letter
Number, multi-mode satellite framing signal.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016207954301 | 2016-07-21 | ||
| CN201620795430 | 2016-07-21 | ||
| CN201620916001 | 2016-08-17 | ||
| CN2016209160015 | 2016-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194945U true CN206194945U (en) | 2017-05-24 |
Family
ID=58177792
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610936971.6A Pending CN106572338A (en) | 2016-07-21 | 2016-11-01 | LNB (Low-noise block down-converter) module |
| CN201621161746.1U Active CN206193251U (en) | 2016-07-21 | 2016-11-01 | LNB module |
| CN201621161747.6U Active CN206194945U (en) | 2016-07-21 | 2016-11-01 | LNB module |
| CN201610937515.3A Pending CN106443720A (en) | 2016-07-21 | 2016-11-01 | LNB module |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610936971.6A Pending CN106572338A (en) | 2016-07-21 | 2016-11-01 | LNB (Low-noise block down-converter) module |
| CN201621161746.1U Active CN206193251U (en) | 2016-07-21 | 2016-11-01 | LNB module |
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| CN201610937515.3A Pending CN106443720A (en) | 2016-07-21 | 2016-11-01 | LNB module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004040820A2 (en) * | 2001-04-27 | 2004-05-13 | The Directv Group, Inc. | Feeder link configurations to support layered modulation |
| US7401349B2 (en) * | 2002-02-26 | 2008-07-15 | Thomson Licensing | Satellite television system ground station having wideband multi-channel LNB converter/transmitter architecture utilizing a frequency stabilized common oscillator |
| US20090231186A1 (en) * | 2008-02-06 | 2009-09-17 | Raysat Broadcasting Corp. | Compact electronically-steerable mobile satellite antenna system |
| CN201449448U (en) * | 2009-06-19 | 2010-05-05 | 广州市中海达测绘仪器有限公司 | GPS receiving device |
| CN101801163A (en) * | 2010-02-25 | 2010-08-11 | 中兴通讯股份有限公司 | Wireless communication module |
| US9571182B2 (en) * | 2010-07-29 | 2017-02-14 | Entropic Communications, Llc | Systems and methods for cancellation of cross-coupled noise |
| TWI514785B (en) * | 2012-09-26 | 2015-12-21 | Wistron Neweb Corp | Optical low-noise block down-converter and satellite television system |
| CN203734670U (en) * | 2014-02-20 | 2014-07-23 | 成都新光微波工程有限责任公司 | L-frequency band satellite data multimedia system |
| CN104167992A (en) * | 2014-08-13 | 2014-11-26 | 芜湖航飞科技股份有限公司 | Low noise amplifier for satellite navigation system |
| CN204101733U (en) * | 2014-08-30 | 2015-01-14 | 西安兖矿科技研发设计有限公司 | A kind of dual mode satellite signal receiver |
| CN205229462U (en) * | 2015-11-25 | 2016-05-11 | 江苏星宇芯联电子科技有限公司 | Big dipper satellite navigation communication module |
| CN105657509B (en) * | 2016-01-26 | 2020-04-24 | 国家新闻出版广电总局广播科学研究院 | LNB module for receiving satellite television signal and corresponding satellite television set top box |
| CN105744333B (en) * | 2016-03-18 | 2019-11-26 | 国家新闻出版广电总局广播科学研究院 | A kind of LNB module for receiving satellite TV signal and corresponding satellite TV set-top boxes |
-
2016
- 2016-11-01 CN CN201610936971.6A patent/CN106572338A/en active Pending
- 2016-11-01 CN CN201621161746.1U patent/CN206193251U/en active Active
- 2016-11-01 CN CN201621161747.6U patent/CN206194945U/en active Active
- 2016-11-01 CN CN201610937515.3A patent/CN106443720A/en active Pending
Also Published As
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| CN206193251U (en) | 2017-05-24 |
| CN106572338A (en) | 2017-04-19 |
| CN106443720A (en) | 2017-02-22 |
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Effective date of registration: 20180131 Address after: 510000 Guangdong province Guangzhou economic and Technological Development Zone Science City color frequency Road No. 11 A701 Patentee after: TECHTOTOP MICROELECTRONICS Co.,Ltd. Address before: 510633 Guangdong city of Guangzhou province Luogang District New Street No. 1 6A1607 Patentee before: Li Yanru |
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Assignee: Guangzhou Tianheng Technology Co.,Ltd. Assignor: TECHTOTOP MICROELECTRONICS Co.,Ltd. Contract record no.: X2024980011236 Denomination of utility model: An LNB module Granted publication date: 20170524 License type: Common License Record date: 20240805 |
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