CN217406495U - anti-5G frequency demultiplier - Google Patents
anti-5G frequency demultiplier Download PDFInfo
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- CN217406495U CN217406495U CN202221396292.1U CN202221396292U CN217406495U CN 217406495 U CN217406495 U CN 217406495U CN 202221396292 U CN202221396292 U CN 202221396292U CN 217406495 U CN217406495 U CN 217406495U
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- frequency amplifier
- pass filter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The utility model discloses an anti 5G frequency demultiplier, including H utmost point high frequency amplifier, V utmost point high frequency amplifier, first public high frequency amplifier, first band pass filter, the public high frequency amplifier of second, second band pass filter, control chip U1 and low pass filter, H utmost point high frequency amplifier's input inserts H polarization signal, V utmost point high frequency amplifier's input inserts V polarization signal, H utmost point high frequency amplifier's output and V utmost point high frequency amplifier's output in order and first public high frequency amplifier, first band pass filter, second public high frequency amplifier, second band pass filter, control chip U1 and low pass filter electricity are connected, low pass filter's output is through F type female joint output signal; by the structure, the frequency demultiplier has the advantages of small volume, low cost, good phase noise, low noise coefficient, good local oscillation frequency stability, high receiving sensitivity, good 5G signal interference resistance and the like, and has very good practicability.
Description
Technical Field
The utility model relates to a frequency demultiplier technical field, in particular to anti 5G frequency demultiplier.
Background
At present, the direct satellite broadcast signals in China are mainly linearly polarized C-BAND signals, but with the popularization and application of the 5G technology, the interference of the direct satellite broadcast signals is more and more serious, the use experience of users is greatly influenced, and therefore an anti-5G frequency demultiplier is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an anti 5G frequency demultiplier.
The utility model discloses a technical scheme that its technical problem was solved to an embodiment adopted is: the anti-5G frequency demultiplier comprises an H-pole high-frequency amplifier, a V-pole high-frequency amplifier, a first common high-frequency amplifier, a first band-pass filter, a second common high-frequency amplifier, a second band-pass filter, a control chip U1 and a low-pass filter, wherein an H polarization signal is connected to the input end of the H-pole high-frequency amplifier, a V polarization signal is connected to the input end of the V-pole high-frequency amplifier, the output end of the H-pole high-frequency amplifier and the output end of the V-pole high-frequency amplifier are electrically connected with the first common high-frequency amplifier, the first band-pass filter, the second common high-frequency amplifier, the second band-pass filter, the control chip U1 and the low-pass filter in sequence, and the output end of the low-pass filter outputs signals through an F-type female connector.
Further, the first band pass filter and/or the second band pass filter are/is arranged as a U-shaped band pass filter.
Further, the H-polarized signal and the V-polarized signal are coupled to the input terminal of the H-pole high frequency amplifier and the input terminal of the V-pole high frequency amplifier respectively by two coupling probes with the same wavelength.
Further, the model of the control chip U1 is set to RDA 3570.
The utility model has the advantages that: an anti-5G frequency demultiplier comprises an H-pole high-frequency amplifier, a V-pole high-frequency amplifier, a first public high-frequency amplifier, a first band-pass filter, a second public high-frequency amplifier, a second band-pass filter, a control chip U1 and a low-pass filter, wherein an H polarization signal is connected to the input end of the H-pole high-frequency amplifier, a V polarization signal is connected to the input end of the V-pole high-frequency amplifier, the output end of the H-pole high-frequency amplifier and the output end of the V-pole high-frequency amplifier are electrically connected with the first public high-frequency amplifier, the first band-pass filter, the second public high-frequency amplifier, the second band-pass filter, the control chip U1 and the low-pass filter in sequence, and the output end of the low-pass filter outputs signals through an F-shaped female joint; by the structure, the frequency demultiplier has the advantages of small volume, low cost, good phase noise, low noise coefficient, good local oscillator frequency stability, high receiving sensitivity, good 5G signal interference resistance and the like, and has very good practicability.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic block diagram of an anti-5G down converter.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, the meaning of a plurality is two or more, and the terms greater than, less than, exceeding, etc. are understood as excluding the number, and the terms greater than, less than, and the like are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, the anti-5G down converter comprises an H-pole high-frequency amplifier 10, a V-pole high-frequency amplifier 20, a first common high-frequency amplifier 30, a first band-pass filter 40, a second common high-frequency amplifier 50, a second band-pass filter 60, a control chip U1 and a low-pass filter 70, wherein an input end of the H-pole high-frequency amplifier 10 is connected with an H-polarization signal, an input end of the V-pole high-frequency amplifier 20 is connected with a V-polarization signal, an output end of the H-pole high-frequency amplifier 10 and an output end of the V-pole high-frequency amplifier 20 are electrically connected with the first common high-frequency amplifier 30, the first band-pass filter 40, the second common high-frequency amplifier 50, the second band-pass filter 60, the control chip U1 and the low-pass filter 70 in sequence, and an output end of the low-pass filter 70 outputs signals through an F-type female connector 80.
The working principle of the utility model is as follows: horizontal (H) and vertical (V) polarization radio frequency signals are coupled to a PCB circuit through two same-wavelength coupling probes 90, the H/V polarization passes through an H pole high-frequency amplifier 10, a V pole high-frequency amplifier 20 and a first public high-frequency amplifier 30 respectively, a U-shaped first band-pass filter 40 is adopted at the output end to filter 5G clutter signals, then a second public high-frequency amplifier 50 is adopted to filter the clutter signals better, and a U-shaped second band-pass filter 60 is added to suppress the 5G clutter signals; all RF signals are subjected to three-level low-noise amplification processing and are directly input into a control chip U1 with the model number of RDA3570, a control chip U1 and a 25MHZ crystal oscillator frequency doubling circuit automatically generate local oscillation frequencies of 5.15GHz and 5.75GHz, the scheme selects 5.15GHz, and the control chip U1 does not provide bias working voltages of a first-level horizontal polarization high-level discharge tube (H) and a vertical polarization high-level discharge tube (V) simultaneously, namely, when the input voltage is 18V, horizontal polarization works, and when the input voltage is 13V, direct polarization works again, so that H/V polarization switching is controlled; selecting a required RF signal of 3.75-4.2GHZ by a two-stage U-shaped band-pass filter; because the control chip U1 integrates the mixing and intermediate frequency circuits, 5G clutter signals are effectively filtered, the IF signal output by the low pass filter 70 is 950-1400MHz, and finally the intermediate frequency signal is output by the F-type female joint 80; the utility model has the characteristics of: 1. improving the LO frequency stability: 500KHz, @25 ℃ (room temperature). + -. 1MHz, @ -40 ℃ - +60 ℃; LO frequency stability of conventional products: +/-1 MHz, @25 ℃ (room temperature) +/-3 MHz, @ -40 ℃ - +60 ℃; 2. the noise coefficient of the product is reduced: 40Tek (Typ), 50Tek (max); whereas the noise figure of the conventional product: 70Tek (Typ), 90Tek (max); 3. through the design of a two-stage U-shaped band-pass filter circuit, the anti-5G inhibition index can reach-35 dBm.
The utility model discloses an integrated chip RDA3570 phase-locked loop circuit adds 25MHZ doubling of frequency technique, has integrated mixing, local oscillator and intermediate frequency circuit, has optimized the space of PCB board design, and the metal casing structure also obtains changing of biggest space for a short time, has alleviateed the weight of casing, has promoted product structural design, has reduced the whole set of cost of frequency demultiplier, has strengthened the competitiveness of domestic frequency demultiplier, has promoted the development of satellite broadcast television cause to a certain extent.
The first band pass filter 40 and/or the second band pass filter 60 are provided as U-shaped band pass filters.
The H-polarized signal and the V-polarized signal are coupled to the input of the H-pole high frequency amplifier 10 and the input of the V-pole high frequency amplifier 20, respectively, by two co-wavelength coupling probes 90.
The model of the control chip U1 is set to RDA 3570.
Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.
Claims (4)
1. An anti-5G frequency demultiplier, characterized in that: comprises an H-pole high-frequency amplifier (10), a V-pole high-frequency amplifier (20), a first common high-frequency amplifier (30), a first band-pass filter (40), a second common high-frequency amplifier (50), a second band-pass filter (60), a control chip U1 and a low-pass filter (70), the input end of the H-pole high-frequency amplifier (10) is connected with an H polarization signal, the input end of the V-pole high-frequency amplifier (20) is connected with a V polarization signal, the output end of the H-pole high-frequency amplifier (10) and the output end of the V-pole high-frequency amplifier (20) are electrically connected with the first common high-frequency amplifier (30), the first band-pass filter (40), the second common high-frequency amplifier (50), the second band-pass filter (60), the control chip U1 and the low-pass filter (70) in sequence, and the output end of the low-pass filter (70) outputs signals through an F-shaped female joint (80).
2. The anti-5G down converter according to claim 1, wherein: the first band pass filter (40) and/or the second band pass filter (60) are arranged as a U-shaped band pass filter.
3. The anti-5G down converter according to claim 1, wherein: the H-polarized signal and the V-polarized signal are coupled to the input end of the H-pole high-frequency amplifier (10) and the input end of the V-pole high-frequency amplifier (20) respectively through two same-wavelength coupling probes (90).
4. The anti-5G down converter according to claim 1, wherein: the model of the control chip U1 is set to be RDA 3570.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221396292.1U CN217406495U (en) | 2022-06-06 | 2022-06-06 | anti-5G frequency demultiplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221396292.1U CN217406495U (en) | 2022-06-06 | 2022-06-06 | anti-5G frequency demultiplier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217406495U true CN217406495U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221396292.1U Active CN217406495U (en) | 2022-06-06 | 2022-06-06 | anti-5G frequency demultiplier |
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| Country | Link |
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| CN (1) | CN217406495U (en) |
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2022
- 2022-06-06 CN CN202221396292.1U patent/CN217406495U/en active Active
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