CN203813773U - Novel aeronautical data link broadband antenna splitter - Google Patents
Novel aeronautical data link broadband antenna splitter Download PDFInfo
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- CN203813773U CN203813773U CN201420230965.5U CN201420230965U CN203813773U CN 203813773 U CN203813773 U CN 203813773U CN 201420230965 U CN201420230965 U CN 201420230965U CN 203813773 U CN203813773 U CN 203813773U
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- power
- amplification circuit
- data link
- power divider
- protection module
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Abstract
The utility model discloses a novel aeronautical data link broadband antenna splitter, which comprises a power supply module, a power-on protection module, a first power pre-amplification circuit, a first attenuator, a first filter, a first push amplification circuit and a first power splitter, wherein an RF input signal is connected with an input end of the first power pre-amplification circuit, the first power pre-amplification circuit is connected with the first power splitter through the first attenuator, the first filter and the first push amplification circuit in sequence, the first power splitter comprises at least two output ends, the power supply module is connected with the power-on protection module, and the power-on protection module is respectively connected with the first power pre-amplification circuit, the first push amplification circuit and the first power splitter. The novel aeronautical data link broadband antenna splitter can realize the multi-path output of aeronautical data link broadband signals, has the safe power-on function, and prolongs the service life of equipment.
Description
Technical field
The utility model relates to a kind of novel broadband antenna shunt for aviation data link.
Background technology
LTE is based on OFDMA technology, the universal standard organized to set up by 3GPP, comprises that two kinds of patterns of FDD and TDD are for frequency spectrum and non-paired frequency spectrum in pairs.
LTE-TDD, the domestic TD-LTE that also claims, be Time Division Long Term Evolution(time-division Long Term Evolution), organize the each large enterprises in the whole world and the operator contained jointly to formulate by 3GPP, two patterns of FDD in LTE standard and TDD are in fact identical, between two patterns, only have less difference, similarity reaches 90%.[1] TDD is time division duplex (Time Division Duplexing), is one of duplex technology of mobile communication technology use, corresponding with FDD Frequency Division Duplexing (FDD).In fact it doesn't matter for TD-LTE and TD-SCDMA, and TD-LTE is the technology of the LTE of TDD version, and the technology of FDD-LTE is the LTE technology of FDD version.TD-SCDMA is CDMA(code division multiple access) technology, TD-LTE is OFDM(OFDM) technology.Both from encoding and decoding, frame format, eat dishes without rice or wine, signaling, to the network architecture, all different.
In the prior art, the TD-LTE access device of family expenses is only supported an antenna access, and unstable properties, has a strong impact on user's normal use.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of novel broadband antenna shunt for aviation data link is provided, and can realize the multichannel output of aeronautical data chain broadband signal, and have safety opening terminal function, improves the useful life of equipment.
The purpose of this utility model is achieved through the following technical solutions: a kind of novel broadband antenna shunt for aviation data link, it comprises supply module, power-on protection module, the first power pre-amplification circuit, the first attenuator, the first filter, first promotes amplifying circuit and the first power divider, radio-frequency input signals is connected with the input of the first power pre-amplification circuit, the first power pre-amplification circuit is successively by the first attenuator, the first filter, first promotes amplifying circuit is connected with the first power divider, the first power divider has at least two outputs, supply module is connected with power-on protection module, power-on protection module respectively with the first power pre-amplification circuit, first promotes amplifying circuit is connected with the first power divider.
It also comprises that the second power pre-amplification circuit, the second attenuator, the second filter, second promote amplifying circuit and the second power divider; an output of described the first power divider is connected with the input of the second power pre-amplification circuit; the second power pre-amplification circuit promotes amplifying circuit by the second attenuator, the second filter, second successively and is connected with the second power divider, and power-on protection module promotes amplifying circuit with the second power pre-amplification circuit, second respectively and is connected with the second power divider.
Described power-on protection module comprises diode D1, diode D2, resistance R 1, resistance R 2 and PMOS pipe; the positive pole of input voltage is connected with the anode of diode D1; the negative electrode of diode D1 is connected with PMOS pipe source electrode; the grid of PMOS pipe is connected with the negative electrode of diode D2, one end of resistance R 1 respectively; the drain electrode of PMOS pipe is connected with one end of resistance R 2, the positive pole of output voltage respectively; the negative pole of input voltage is connected with the negative pole of output voltage, and the negative pole of input voltage is also connected with anode, resistance R 1, the resistance R 2 of diode D2 simultaneously.
The first described power divider has five outputs, and the second power divider has four outputs.
The beneficial effects of the utility model are:
(1) multichannel that has realized aeronautical data chain broadband signal is exported, for the processing of signal provides convenient.
(2) be provided with multiple filters, ensured accuracy and the integrality of signal.
(3) be provided with power-on protection module, ensured the use safety of equipment, extended the useful life of equipment.
Brief description of the drawings
Fig. 1 is the utility model structured flowchart;
Fig. 2 is the utility model power-on protection module circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 1, a kind of novel broadband antenna shunt for aviation data link, it comprises supply module, power-on protection module, the first power pre-amplification circuit, the first attenuator, the first filter, first promotes amplifying circuit and the first power divider, radio-frequency input signals is connected with the input of the first power pre-amplification circuit, the first power pre-amplification circuit is successively by the first attenuator, the first filter, first promotes amplifying circuit is connected with the first power divider, the first power divider has at least two outputs, supply module is connected with power-on protection module, power-on protection module respectively with the first power pre-amplification circuit, first promotes amplifying circuit is connected with the first power divider.
It also comprises that the second power pre-amplification circuit, the second attenuator, the second filter, second promote amplifying circuit and the second power divider; an output of described the first power divider is connected with the input of the second power pre-amplification circuit; the second power pre-amplification circuit promotes amplifying circuit by the second attenuator, the second filter, second successively and is connected with the second power divider, and power-on protection module promotes amplifying circuit with the second power pre-amplification circuit, second respectively and is connected with the second power divider.
As shown in Figure 2; described power-on protection module comprises diode D1, diode D2, resistance R 1, resistance R 2 and PMOS pipe; the positive pole of input voltage is connected with the anode of diode D1; the negative electrode of diode D1 is connected with PMOS pipe source electrode; the grid of PMOS pipe is connected with the negative electrode of diode D2, one end of resistance R 1 respectively; the drain electrode of PMOS pipe is connected with one end of resistance R 2, the positive pole of output voltage respectively; the negative pole of input voltage is connected with the negative pole of output voltage, and the negative pole of input voltage is also connected with anode, resistance R 1, the resistance R 2 of diode D2 simultaneously.
The first described power divider has five outputs, and the second power divider has four outputs.
The above is only preferred implementation of the present utility model, be to be understood that the utility model is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, amendment and environment, and can, in contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not depart from spirit and scope of the present utility model, all should be in the protection range of the utility model claims.
Claims (4)
1. a novel broadband antenna shunt for aviation data link, it is characterized in that: it comprises supply module, power-on protection module, the first power pre-amplification circuit, the first attenuator, the first filter, first promotes amplifying circuit and the first power divider, radio-frequency input signals is connected with the input of the first power pre-amplification circuit, the first power pre-amplification circuit is successively by the first attenuator, the first filter, first promotes amplifying circuit is connected with the first power divider, the first power divider has at least two outputs, supply module is connected with power-on protection module, power-on protection module respectively with the first power pre-amplification circuit, first promotes amplifying circuit is connected with the first power divider.
2. the novel broadband antenna shunt for aviation data link of one according to claim 1, it is characterized in that: it also comprises the second power pre-amplification circuit, the second attenuator, the second filter, second promotes amplifying circuit and the second power divider, an output of described the first power divider is connected with the input of the second power pre-amplification circuit, the second power pre-amplification circuit is successively by the second attenuator, the second filter, second promotes amplifying circuit is connected with the second power divider, power-on protection module respectively with the second power pre-amplification circuit, second promotes amplifying circuit is connected with the second power divider.
3. the novel broadband antenna shunt for aviation data link of one according to claim 1, it is characterized in that: described power-on protection module comprises diode D1, diode D2, resistance R 1, resistance R 2 and PMOS pipe, the positive pole of input voltage is connected with the anode of diode D1, the negative electrode of diode D1 is connected with PMOS pipe source electrode, the grid of PMOS pipe respectively with the negative electrode of diode D2, one end of resistance R 1 is connected, the drain electrode of PMOS pipe respectively with one end of resistance R 2, the positive pole of output voltage is connected, the negative pole of input voltage is connected with the negative pole of output voltage, simultaneously the negative pole of input voltage also with the anode of diode D2, resistance R 1, resistance R 2 is connected.
4. the novel broadband antenna shunt for aviation data link of one according to claim 1, is characterized in that: the first described power divider has five outputs, and the second power divider has four outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230965.5U CN203813773U (en) | 2014-05-07 | 2014-05-07 | Novel aeronautical data link broadband antenna splitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230965.5U CN203813773U (en) | 2014-05-07 | 2014-05-07 | Novel aeronautical data link broadband antenna splitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813773U true CN203813773U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420230965.5U Expired - Fee Related CN203813773U (en) | 2014-05-07 | 2014-05-07 | Novel aeronautical data link broadband antenna splitter |
Country Status (1)
| Country | Link |
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| CN (1) | CN203813773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539249A (en) * | 2014-12-31 | 2015-04-22 | 四川科瑞纳信息技术有限公司 | Multi-channel signal multiplex amplification circuit |
-
2014
- 2014-05-07 CN CN201420230965.5U patent/CN203813773U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539249A (en) * | 2014-12-31 | 2015-04-22 | 四川科瑞纳信息技术有限公司 | Multi-channel signal multiplex amplification circuit |
| CN104539249B (en) * | 2014-12-31 | 2018-03-13 | 四川科瑞纳信息技术有限公司 | A kind of multi channel signals are multiplexed amplifying circuit |
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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 |
Granted publication date: 20140903 Termination date: 20170507 |
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| CF01 | Termination of patent right due to non-payment of annual fee |