CN204119232U - One can be used for eight user's receiving satellite signal high-frequency tuners - Google Patents
One can be used for eight user's receiving satellite signal high-frequency tuners Download PDFInfo
- Publication number
- CN204119232U CN204119232U CN201420478527.0U CN201420478527U CN204119232U CN 204119232 U CN204119232 U CN 204119232U CN 201420478527 U CN201420478527 U CN 201420478527U CN 204119232 U CN204119232 U CN 204119232U
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- China
- Prior art keywords
- pass filter
- band pass
- intermediate frequency
- amplifier
- frequency amplifier
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Abstract
The utility model discloses one and can be used for eight user's receiving satellite signal high-frequency tuners, it is arranged between antenna and satellite receiver, comprise bipolar high-frequency amplifier, high freguency bandpass filter, local oscillator, frequency mixer, intermediate frequency amplifier and intermediate-freuqncy signal power splitter, intermediate-freuqncy signal power splitter has four signal inputs, the four matrix conversion switches exported, and eight outputs of two-way matrix conversion switch are connected respectively the satellite intermediate frequency signal of eight users; High-frequency tuner is provided with four out splice going splices, eight outputs every two group of two-way matrix conversion switch are arranged in four out splice going splices.It is simple that the utility model object is to provide a kind of structure, can be used for eight user's receiving satellite signal high-frequency tuners.
Description
Technical field
The utility model relates to one and can be used for eight user's receiving satellite signal high-frequency tuners, belongs to satellite communication system technical field.
Background technology
Digital satellite television signal reception supported by current most of high-frequency tuner, but can not to 3D, 4K radio TV signals receiving.Be necessary to improve existing high-frequency tuner, to improve its applicability.
Utility model content
The utility model, for the deficiencies in the prior art, provides a kind of structure simple, can be used for eight user's receiving satellite signal high-frequency tuners.
The technical scheme in the invention for solving the technical problem is:
One can be used for eight user's receiving satellite signal high-frequency tuners, it is arranged between antenna and satellite receiver, it is characterized in that: comprise bipolar high-frequency amplifier, high freguency bandpass filter, local oscillator, frequency mixer, intermediate frequency amplifier and intermediate-freuqncy signal power splitter, intermediate-freuqncy signal power splitter has four signal inputs, the four matrix conversion switches exported, and eight outputs of two-way matrix conversion switch are connected respectively the satellite intermediate frequency signal of eight users; High-frequency tuner is provided with four out splice going splices, eight outputs every two group of two-way matrix conversion switch are arranged in four out splice going splices.
Bipolar high-frequency amplifier comprises horizontal polarization signals amplifier and perpendicular polarization signal amplifier, and high freguency bandpass filter comprises the first band pass filter, the second band pass filter, the 3rd band pass filter and the 4th band pass filter; Frequency mixer comprises the first frequency mixer, the second frequency mixer, three-mixer and the 4th frequency mixer; Intermediate frequency amplifier comprises the first intermediate frequency amplifier, the second intermediate frequency amplifier, the 3rd intermediate frequency amplifier and the 4th intermediate frequency amplifier;
First band pass filter, the first frequency mixer, the first intermediate frequency amplifier series connection, the first band pass filter input is connected with horizontal polarization signals amplifier out, and the first intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal A;
Second band pass filter, the second frequency mixer, the second intermediate frequency amplifier series connection, the second band pass filter input is connected with horizontal polarization signals amplifier out, and the second intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal B;
3rd band pass filter, three-mixer, the 3rd intermediate frequency amplifier series connection, the 3rd band pass filter input is connected with perpendicular polarization signal amplifier output, and the 3rd intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal C;
4th band pass filter, the 4th frequency mixer, the 4th intermediate frequency amplifier series connection, the 4th band pass filter input is connected with perpendicular polarization signal amplifier output, and the 4th intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal D;
Local oscillator has two, and one of them local oscillator output is connected with the first frequency mixer and the 4th frequency mixer respectively; Second local oscillator output is connected with the second band pass filter, the 3rd band pass filter.
The utility model beneficial effect:
1, this products perfection properties of product, eight outputs of two-way matrix conversion switch often share bipolar high-frequency amplifier, high freguency bandpass filter, local oscillations mixting circuit, the multiple components and parts of intermediate frequency amplifier, the number of the cable connecting satellite receiver can be saved, realize all band signal to be converted into satellite intermediate frequency Signal reception with minimum cost, can also need to realize independently two local oscillator according to user, switch satellite signal is selected arbitrarily in dual polarization, overcome the limitation that single port output satellite tuner uses, fully meet the individual demand of the whole society to satellite low noise block.Direct broadcasting satellite and Digital Television DVB-S, S2 system headend can be widely used in, combine with satellite antenna, satellite receiver, complete the reception to 3D, 4K TV signal.
2, this product is suitable for different areas, and eight users can select four kinds of different input signals mutually to disturb, simultaneously receiving satellite signal,
3. this product has low noise, high-gain performance characteristics, can adapt to different digital satellite television systems.
Accompanying drawing explanation
Fig. 1 is the utility model signal controlling party block diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 is the structure chart that the utility model is used in communication system.
Embodiment
Below in conjunction with embodiment, the utility model is further described:
As shown in Figure 1, Figure 2 and Figure 3, one can be used for eight user's receiving satellite signal high-frequency tuners, it is arranged between antenna and satellite receiver, comprise bipolar high-frequency amplifier, high freguency bandpass filter, local oscillator, frequency mixer, intermediate frequency amplifier and intermediate-freuqncy signal power splitter, intermediate-freuqncy signal power splitter has four signal inputs, the four matrix conversion switches exported, and eight outputs of two-way matrix conversion switch are connected respectively the satellite intermediate frequency signal of eight users.In the utility model, high-frequency tuner 1 is provided with four out splice going splices 11, eight outputs every two group of two-way matrix conversion switch are arranged in four out splice going splices 11.During use, 8 holding wires are connected respectively on indoor 8 receivers.
Wherein, bipolar high-frequency amplifier comprises horizontal polarization signals amplifier 5 and perpendicular polarization signal amplifier 6, and high freguency bandpass filter comprises the first band pass filter 21, second band pass filter 22, the 3rd band pass filter 23 and the 4th band pass filter 24; Frequency mixer comprises the first frequency mixer 31, second frequency mixer 32, three-mixer 33 and the 4th frequency mixer 34; Intermediate frequency amplifier comprises the first intermediate frequency amplifier 41, second intermediate frequency amplifier 42, the 3rd intermediate frequency amplifier 43 and the 4th intermediate frequency amplifier 44;
First band pass filter, the first frequency mixer, the first intermediate frequency amplifier series connection, the first band pass filter input is connected with horizontal polarization signals amplifier out, and the first intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal A;
Second band pass filter, the second frequency mixer, the second intermediate frequency amplifier series connection, the second band pass filter input is connected with perpendicular polarization signal amplifier output, and the second intermediate frequency amplifier output is connected with two-way matrix conversion switch 7 input B;
3rd band pass filter, three-mixer, the 3rd intermediate frequency amplifier series connection, the 3rd band pass filter input is connected with horizontal polarization signals amplifier out, and the 3rd intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal C;
4th band pass filter, the 4th frequency mixer, the 4th intermediate frequency amplifier series connection, the 4th band pass filter input is connected with perpendicular polarization signal amplifier output, and the 4th intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal D;
Local oscillator has two, and one of them local oscillator output is connected with the first frequency mixer and the 4th frequency mixer respectively; Second local oscillator output is connected with the second band pass filter, the 3rd band pass filter.
Claims (1)
1. one kind can be used for eight user's receiving satellite signal high-frequency tuners, it is arranged between antenna and satellite receiver, it is characterized in that: comprise bipolar high-frequency amplifier, high freguency bandpass filter, local oscillator, frequency mixer, intermediate frequency amplifier and intermediate-freuqncy signal power splitter, intermediate-freuqncy signal power splitter has four signal inputs, the four matrix conversion switches exported, and eight outputs of two-way matrix conversion switch are connected respectively the satellite intermediate frequency signal of eight users; Described high-frequency tuner is provided with four out splice going splices, eight outputs every two group of two-way matrix conversion switch are arranged in four out splice going splices;
Described bipolar high-frequency amplifier comprises horizontal polarization signals amplifier and perpendicular polarization signal amplifier, and described high freguency bandpass filter comprises the first band pass filter, the second band pass filter, the 3rd band pass filter and the 4th band pass filter; Described frequency mixer comprises the first frequency mixer, the second frequency mixer, three-mixer and the 4th frequency mixer; Described intermediate frequency amplifier comprises the first intermediate frequency amplifier, the second intermediate frequency amplifier, the 3rd intermediate frequency amplifier and the 4th intermediate frequency amplifier;
First band pass filter, the first frequency mixer, the first intermediate frequency amplifier series connection, the first band pass filter input is connected with horizontal polarization signals amplifier out, and the first intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal A;
Second band pass filter, the second frequency mixer, the second intermediate frequency amplifier series connection, the second band pass filter input is connected with horizontal polarization signals amplifier out, and the second intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal B;
3rd band pass filter, three-mixer, the 3rd intermediate frequency amplifier series connection, the 3rd band pass filter input is connected with perpendicular polarization signal amplifier output, and the 3rd intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal C;
4th band pass filter, the 4th frequency mixer, the 4th intermediate frequency amplifier series connection, the 4th band pass filter input is connected with perpendicular polarization signal amplifier output, and the 4th intermediate frequency amplifier output is connected with two-way matrix conversion switch input terminal D;
Described local oscillator has two, and one of them local oscillator output is connected with the first frequency mixer and the 4th frequency mixer respectively; Second local oscillator output is connected with the second band pass filter, the 3rd band pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478527.0U CN204119232U (en) | 2014-08-23 | 2014-08-23 | One can be used for eight user's receiving satellite signal high-frequency tuners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420478527.0U CN204119232U (en) | 2014-08-23 | 2014-08-23 | One can be used for eight user's receiving satellite signal high-frequency tuners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204119232U true CN204119232U (en) | 2015-01-21 |
Family
ID=52336507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420478527.0U Expired - Fee Related CN204119232U (en) | 2014-08-23 | 2014-08-23 | One can be used for eight user's receiving satellite signal high-frequency tuners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204119232U (en) |
-
2014
- 2014-08-23 CN CN201420478527.0U patent/CN204119232U/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 | ||
| 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: 20150121 Termination date: 20160823 |