CN220122898U - Radio frequency receiving and transmitting system based on VPX architecture - Google Patents
Radio frequency receiving and transmitting system based on VPX architecture Download PDFInfo
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- CN220122898U CN220122898U CN202321578900.5U CN202321578900U CN220122898U CN 220122898 U CN220122898 U CN 220122898U CN 202321578900 U CN202321578900 U CN 202321578900U CN 220122898 U CN220122898 U CN 220122898U
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Abstract
The utility model relates to the technical field of wireless communication, in particular to a radio frequency transceiver system based on a VPX architecture; the frequency conversion receiving unit, the frequency conversion transmitting unit, the first local oscillator power dividing unit and the second local oscillator power dividing unit are integrated on the plug box; the frequency conversion receiving unit is used for receiving the radio frequency signals, carrying out sectional filtering on the radio frequency signals, amplifying the front end, and generating intermediate frequency signals through down conversion after secondary frequency conversion; the frequency conversion transmitting unit is used for generating a radio frequency signal through up-conversion processing after secondary frequency conversion of an input intermediate frequency signal, and carrying out sectional filtering and amplification output; the first local oscillator power dividing unit is used for carrying out first frequency conversion on the radio frequency signals; the second local oscillator power dividing unit is used for carrying out second frequency conversion on the radio frequency signals, and the radio frequency receiving and the radio frequency transmitting are integrated in one module, so that the effects of compact structure, convenience in installation and easiness in debugging can be achieved.
Description
Technical Field
The utility model relates to the technical field of wireless communication, in particular to a radio frequency transceiver system based on a VPX architecture.
Background
The existing broadband variable frequency system is often composed of a plurality of modules, and each module is responsible for different functions. The system has the defects of low space utilization rate, inconvenient installation and unsatisfied application for some applications with strict requirements on volume.
Disclosure of Invention
The utility model aims to provide a radio frequency transceiver system based on a VPX framework, wherein radio frequency receiving and radio frequency transmitting are integrated into one module, so that the effects of compact structure, convenience in installation and easiness in debugging can be achieved.
In order to achieve the above purpose, the radio frequency transceiver system based on the VPX architecture adopted by the utility model comprises a variable frequency receiving unit, a variable frequency transmitting unit, a first local oscillator power dividing unit, a second local oscillator power dividing unit and an inserting box, wherein the variable frequency receiving unit, the variable frequency transmitting unit, the first local oscillator power dividing unit and the second local oscillator power dividing unit are integrated on the inserting box, the variable frequency receiving unit is respectively connected with the first local oscillator power dividing unit and the second local oscillator power dividing unit, and the variable frequency transmitting unit is respectively connected with the first local oscillator power dividing unit and the second local oscillator power dividing unit;
the variable frequency receiving unit is used for receiving radio frequency signals of C wave band, X wave band and Ku wave band, carrying out sectional filtering on the radio frequency signals, amplifying the front end, and generating intermediate frequency signals through down conversion after secondary frequency conversion;
the frequency conversion transmitting unit is used for generating a radio frequency signal through up-conversion processing after secondary frequency conversion of an input intermediate frequency signal, and performing segmented filtering and amplification output;
the first local oscillator power division unit is used for carrying out first frequency conversion on the radio frequency signal;
the second local oscillation power dividing unit is used for carrying out second frequency conversion on the radio frequency signals.
Wherein, the range of the radio frequency signal is 4-18 GHz.
Wherein, the intermediate frequency signal is 2.75-4.75 GHz.
Wherein, the cartridge adopts VPX framework.
Wherein, the frequency conversion receiving unit forms a receiving channel.
Wherein, the frequency conversion transmitting unit forms a transmitting channel.
The utility model relates to a radio frequency receiving and transmitting system based on a VPX framework, wherein a variable frequency receiving unit, a variable frequency transmitting unit, a first local oscillator power dividing unit and a second local oscillator power dividing unit are integrated on an insertion box, the variable frequency receiving unit receives radio frequency signals of a C wave band, an X wave band and a Ku wave band, the radio frequency signals are subjected to sectional filtering, the front end of the radio frequency signals are amplified, and after secondary frequency conversion, intermediate frequency signals are generated through down conversion; the intermediate frequency signal input by the variable frequency transmitting unit is subjected to secondary frequency conversion, then up-conversion treatment to generate a radio frequency signal, and the radio frequency signal is subjected to sectional filtering and amplified output; the first local oscillator power dividing unit carries out first frequency conversion on the radio frequency signal; the second local oscillator power dividing unit carries out second frequency conversion on the radio frequency signals; the radio frequency receiving and the radio frequency transmitting are integrated in the same module, so that the effects of compact structure, convenience in installation and easiness in debugging can be achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a radio frequency transceiver system based on VPX architecture according to the present utility model.
Fig. 2 is a schematic circuit diagram of a VPX architecture-based radio frequency transceiver system of the present utility model.
The device comprises a 1-frequency conversion receiving unit, a 2-frequency conversion transmitting unit, a 3-first local oscillator power dividing unit and a 4-second local oscillator power dividing unit.
Detailed Description
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a radio frequency transceiver system based on a VPX architecture, and fig. 2 is a schematic circuit diagram of the radio frequency transceiver system based on the VPX architecture.
The utility model provides a radio frequency receiving and transmitting system based on a VPX architecture, which comprises: the frequency conversion receiving unit 1, the frequency conversion transmitting unit 2, the first local oscillator power dividing unit 3 and the second local oscillator power dividing unit 4 are integrated on the plug box, the frequency conversion receiving unit 1 is respectively connected with the first local oscillator power dividing unit 3 and the second local oscillator power dividing unit 4, and the frequency conversion transmitting unit 2 is respectively connected with the first local oscillator power dividing unit 3 and the second local oscillator power dividing unit 4;
the variable frequency receiving unit 1 is used for receiving radio frequency signals of C wave band, X wave band and Ku wave band, carrying out sectional filtering on the radio frequency signals, amplifying the front end, and generating intermediate frequency signals through down conversion after secondary frequency conversion;
the frequency conversion transmitting unit 2 is used for generating a radio frequency signal through up-conversion processing after secondary frequency conversion of an input intermediate frequency signal, and performing segmented filtering and amplification output;
the first local oscillator power division unit 3 is used for performing first frequency conversion on the radio frequency signal;
the second local oscillation power dividing unit 4 is used for performing second frequency conversion on the radio frequency signal.
In this embodiment, the variable frequency receiving unit 1, the variable frequency transmitting unit 2, the first local oscillator power dividing unit 3 and the second local oscillator power dividing unit 4 are integrated on the inserting box, the variable frequency receiving unit 1 receives radio frequency signals in C band, X band and Ku band, performs sectional filtering, front end amplification and down conversion after secondary frequency conversion to generate intermediate frequency signals; the intermediate frequency signal input by the variable frequency transmitting unit 2 is subjected to secondary frequency conversion and then up-conversion treatment to generate a radio frequency signal, and the radio frequency signal is subjected to sectional filtering and amplification output; the first local oscillator power dividing unit 3 carries out first frequency conversion on the radio frequency signals; the second local oscillator power dividing unit 4 carries out second frequency conversion on the radio frequency signals; the radio frequency receiving and the radio frequency transmitting are integrated in the same module, so that the effects of compact structure, convenience in installation and easiness in debugging can be achieved.
Further, the radio frequency signal range is 4-18 GHz.
Further, the intermediate frequency signal is 2.75-4.75 GHz.
In this embodiment, in the operation process of the VPX architecture-based radio frequency transceiver system, the frequency conversion receiving unit 1 performs segmentation filtering and amplification on a received 4-18 GHz radio frequency signal, and then first changes the received 4-18 GHz radio frequency signal with the first local oscillator power dividing unit 3 to a K-band high intermediate frequency, the K-band high intermediate frequency is amplified and compensated and then changes the received K-band high intermediate frequency with the second local oscillator power dividing unit 4 to a (3.75±1) GHz intermediate frequency signal, the intermediate frequency signal is outputted after filtering, amplifying, amplitude detection, amplifying, digital control attenuation, filtering and channel detection, and then the transmitting system performs segmentation filtering on the received (3.75±1) GHz intermediate frequency signal, and then changes the received signal with the second local oscillator power dividing unit 4 to a K-band high intermediate frequency, and then changes the K-band high intermediate frequency with the first local oscillator power dividing unit 3 to a 4-18 GHz radio frequency signal, and outputs the radio frequency signal after segmentation filtering, digital control attenuation, amplifying and channel detection; the radio frequency outputs in the frequency conversion receiving unit 1 and the frequency conversion transmitting unit 2 have gain control functions, the gain control range is 31dB, and the steps are 1dB.
Further, the cartridge adopts a VPX architecture.
Further, the variable frequency receiving unit 1 forms a receiving channel.
Further, the variable frequency transmitting unit 2 forms a transmitting channel.
In this embodiment, the receiving channel and the transmitting channel are integrated in the cartridge adopting the VPX architecture, so that the effects of compact structure, convenient installation and easy debugging can be achieved.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (6)
1. A radio frequency transceiver system based on VPX architecture is characterized in that,
the frequency conversion receiving unit, the frequency conversion transmitting unit, the first local oscillator power dividing unit and the second local oscillator power dividing unit are integrated on the plug box, the frequency conversion receiving unit is respectively connected with the first local oscillator power dividing unit and the second local oscillator power dividing unit, and the frequency conversion transmitting unit is respectively connected with the first local oscillator power dividing unit and the second local oscillator power dividing unit;
the variable frequency receiving unit is used for receiving radio frequency signals of C wave band, X wave band and Ku wave band, carrying out sectional filtering on the radio frequency signals, amplifying the front end, and generating intermediate frequency signals through down conversion after secondary frequency conversion;
the frequency conversion transmitting unit is used for generating a radio frequency signal through up-conversion processing after secondary frequency conversion of an input intermediate frequency signal, and performing segmented filtering and amplification output;
the first local oscillator power division unit is used for carrying out first frequency conversion on the radio frequency signal;
the second local oscillation power dividing unit is used for carrying out second frequency conversion on the radio frequency signals.
2. The VPX architecture based radio frequency transceiver system according to claim 1, wherein,
the range of the radio frequency signal is 4-18 GHz.
3. The VPX architecture based radio frequency transceiver system according to claim 1, wherein,
the intermediate frequency signal is 2.75-4.75 GHz.
4. The VPX architecture based radio frequency transceiver system according to claim 1, wherein,
the plug-in box adopts a VPX architecture.
5. The VPX architecture based radio frequency transceiver system according to claim 1, wherein,
the variable frequency receiving unit forms a receiving channel.
6. The VPX architecture based radio frequency transceiver system according to claim 1, wherein,
the variable frequency transmitting unit forms a transmitting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321578900.5U CN220122898U (en) | 2023-06-20 | 2023-06-20 | Radio frequency receiving and transmitting system based on VPX architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321578900.5U CN220122898U (en) | 2023-06-20 | 2023-06-20 | Radio frequency receiving and transmitting system based on VPX architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220122898U true CN220122898U (en) | 2023-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321578900.5U Active CN220122898U (en) | 2023-06-20 | 2023-06-20 | Radio frequency receiving and transmitting system based on VPX architecture |
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| Country | Link |
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| CN (1) | CN220122898U (en) |
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2023
- 2023-06-20 CN CN202321578900.5U patent/CN220122898U/en active Active
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