CN203104638U - Satellite communication single cable tuner - Google Patents
Satellite communication single cable tuner Download PDFInfo
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- CN203104638U CN203104638U CN 201320026964 CN201320026964U CN203104638U CN 203104638 U CN203104638 U CN 203104638U CN 201320026964 CN201320026964 CN 201320026964 CN 201320026964 U CN201320026964 U CN 201320026964U CN 203104638 U CN203104638 U CN 203104638U
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Abstract
The utility model provides a satellite communication single cable tuner which comprises a horizontal polarization radio frequency amplification module, a vertical polarization radio frequency amplification module, a first local oscillator, a second local oscillator, a mixer group, an intermediate frequency amplification module, a signal distribution module and a signal superimposer. Two ways of output of the horizontal polarization radio frequency amplification module are respectively connected with the first local oscillator and the second local oscillator. Two ways of output of the vertical polarization radio frequency amplification module are respectively connected with the first local oscillator and the second local oscillator. The mixer group comprises four ways of mixers. The intermediate frequency amplification module comprises four ways of intermediate frequency amplifiers. Two ways of output of the first local oscillator and two ways of output of the second local oscillator are respectively connected with the four ways of mixers and the four ways of intermediate frequency amplifiers in turn. Four ways of output of the four ways of intermediate frequency amplifiers are respectively connected with the signal distribution module. The signal distribution module outputs four ways of signals. The output end of the signal distribution module is connected with the signal superimpose. Four ways of output of the signal distribution module are pairwise superimposed into one way of output.
Description
Technical field
The utility model relates to a kind of satellite communication single-cable tuner.
Background technology
Because all unified 4 kinds of signal states such as H/H, H/V, L/H, L/V that comprise of standard satellite television signal from Earth's orbit, use the satellite frequency demultipliers (LNB) of 4 tunnel outputs all to want each state signal to draw a cable to transmit separately afterwards to go to untie in the box on the machine in getting home the channel that is modulated in the radio-frequency (RF) signal and the content of program on user's disc-shaped antenna without, if the distance of box is oversize on disc-shaped antenna and the machine, then 4 states this long cable that gets off will expend the many expenses of user.
The utility model content
The utility model aims to provide a kind of satellite communication single-cable tuner that the signal integration of 4 kinds of signal states can be become one road signal output, solves in the prior art because the technical problem of the oversize waste cable of distance of box on antenna and the machine.
Provide a kind of satellite communication single-cable tuner at the utility model, comprised the horizontal polarization radio frequency and amplify module, perpendicular polarization radio frequency amplification module, first local oscillator, second local oscillator, bank of mixers, intermediate frequency amplification module, signal distribution module and signal superimposer;
Described horizontal polarization radio frequency amplifies module output two-way and is connected with second local oscillator with first local oscillator respectively; Described perpendicular polarization radio frequency amplifies module output two-way and is connected with second local oscillator with first local oscillator respectively;
Described bank of mixers is No. four frequency mixers, and it is No. four intermediate frequency amplifiers that described intermediate frequency amplifies module;
The two-way output of described first local oscillator and the two-way output of second local oscillator are connected with No. four intermediate frequency amplifiers with No. four frequency mixers respectively successively;
Four tunnel outputs of described No. four intermediate frequency amplifiers distribute module to be connected with signal respectively, and signal distributes module to export four road signals;
Described signal distributes the output of module to be connected with the signal superimposer, distributes four tunnel outputs of module to be superposed to one tunnel output in twos signal.
Further, described horizontal polarization radio frequency amplification module and perpendicular polarization radio frequency amplification module are made of three amplifiers series connection.
Further, described signal distribution module comprises two four and selects two switches, MCU control chip and channel cutting module, described intermediate frequency amplifies four tunnel outputs of module and selects four tunnel inputs of two switches to be connected with two four respectively, two four select two switches totally four tunnel outputs connect the channel cutting module respectively, described four select two switches to be connected with the MCU control chip respectively with the passage cutting module, and four outputs of channel cutting module are four road outputs that signal distributes module.
Because the satellite communication single-cable tuner that adopts the utility model to provide, the signal that antenna is received amplifies by mixing by four road signals that local oscillator screening back produces, and superpose by the signal that signal distributes module to control selection to need and to be integrated into one tunnel output, can between four channels, freely switch by box on the specific machine, thereby reach the technique effect of having saved cable.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 has schematically shown the circuit diagram of the satellite communication single-cable tuner that the utility model embodiment provides;
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
As shown in Figure 1, the utility model embodiment provides a kind of satellite communication single-cable tuner, comprises that horizontally-polarized antenna and horizontal polarization radio frequency amplify module and be connected, and vertical polarized antenna amplifies module with the perpendicular polarization radio frequency and is connected.The horizontal polarization signal filters out two-way high local oscillator horizontal polarization signal and low local oscillator horizontal polarization signal through being that first local oscillator and the local frequency of 10.6GHz is that second local oscillator of 9.75GHz is connected with local frequency respectively again after amplifying by local oscillator; The perpendicular polarization signal is connected with second local oscillator with first local oscillator respectively after amplifying, and filters out two-way high local oscillator perpendicular polarization signal and low local oscillator perpendicular polarization signal by local oscillator.
First local oscillator and second local oscillator are respectively exported two paths of signals, are connected with No. four intermediate frequency amplifiers that intermediate frequency amplifies module with No. four frequency mixers of bank of mixers successively simultaneously.Four road polarized signals are by frequency mixer and local oscillations mixing, and the process intermediate frequency amplifies module amplification output.
Intermediate frequency amplifies module four tunnel outputs and selects four tunnel inputs of two switches to be connected with two four respectively, four select the output of two switches to be connected to four SATCR-01 chips in the channel cutting module, and two four are selected two switches all to be connected with the MCU control chip with four SATCR-01 chips.Polarized signal after four tunnel amplifications selects two switches to select four road signals output that needs by the control of MCU control chip at two four, and every road signal filters out required channel signals through the SATCR-01 chip again and exports.
Signal distributes four tunnel outputs of module to connect two signal superimposers respectively, and two signal superimposers connect a signal superimposer again and export at last.Four road channel signals superpose in twos by 3 signal superimposers, are superposed to the output of one road signal at last.
During use, can distribute to four television sets to four tunnel output signals and use by connecting on the specific machine box, four select two switches to select required frequency range by being controlled at of MCU control chip, frequency range is selected required channel signals through the SATCR-01 chip, send into cable through superimposer stack integration again and be delivered to box on the machine, box is by screening filtering to four road integrated signals on the machine, obtain required single channel signals and flow to television set, reach the purpose of the channel that freely switches different frequency range, also simplify simultaneously the wiring of cable, saved cable.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (3)
1. satellite communication single-cable tuner, it is characterized in that, comprise the horizontal polarization radio frequency and amplify module, perpendicular polarization radio frequency amplification module, first local oscillator, second local oscillator, bank of mixers, intermediate frequency amplification module, signal distribution module and signal superimposer;
Described horizontal polarization radio frequency amplifies module output two-way and is connected with second local oscillator with first local oscillator respectively; Described perpendicular polarization radio frequency amplifies module output two-way and is connected with second local oscillator with first local oscillator respectively;
Described bank of mixers is No. four frequency mixers, and it is No. four intermediate frequency amplifiers that described intermediate frequency amplifies module;
The two-way output of described first local oscillator and the two-way output of second local oscillator are connected with No. four intermediate frequency amplifiers with No. four frequency mixers respectively successively;
Four tunnel outputs of described No. four intermediate frequency amplifiers distribute module to be connected with signal respectively, and signal distributes module to export four road signals;
Described signal distributes the output of module to be connected with the signal superimposer, distributes four tunnel outputs of module to be superposed to one tunnel output in twos signal.
2. satellite communication single-cable tuner as claimed in claim 1 is characterized in that, described horizontal polarization radio frequency amplifies module and perpendicular polarization radio frequency amplification module is made of three amplifiers series connection.
3. satellite communication single-cable tuner as claimed in claim 1, it is characterized in that, described signal distribution module comprises two four and selects two switches, MCU control chip and channel cutting module, described intermediate frequency amplifies four tunnel outputs of module and selects four tunnel inputs of two switches to be connected with two four respectively, two four select two switches totally four tunnel outputs connect the channel cutting module respectively, described four select two switches to be connected with the MCU control chip respectively with the passage cutting module, and four outputs of channel cutting module are four road outputs that signal distributes module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026964 CN203104638U (en) | 2013-01-18 | 2013-01-18 | Satellite communication single cable tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026964 CN203104638U (en) | 2013-01-18 | 2013-01-18 | Satellite communication single cable tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104638U true CN203104638U (en) | 2013-07-31 |
Family
ID=48856007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320026964 Expired - Fee Related CN203104638U (en) | 2013-01-18 | 2013-01-18 | Satellite communication single cable tuner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104638U (en) |
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2013
- 2013-01-18 CN CN 201320026964 patent/CN203104638U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170704 Address after: 16 third industrial zone, No. two, Qianjin Road, Qianjin Town, Tanzhou Town, Zhongshan, Guangdong, 528400 Patentee after: Zhongshan Shengfu Electronic Technology Co., Ltd. Address before: 528467, No. two, No. 16, Qianjin Road, Tanzhou Town, Zhongshan, Guangdong Patentee before: Zhongshan Shengmading Electronic Element Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |