CN206585533U - A kind of frequency low-noise amplifier of the Big Dipper three - Google Patents
A kind of frequency low-noise amplifier of the Big Dipper three Download PDFInfo
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- CN206585533U CN206585533U CN201720247036.9U CN201720247036U CN206585533U CN 206585533 U CN206585533 U CN 206585533U CN 201720247036 U CN201720247036 U CN 201720247036U CN 206585533 U CN206585533 U CN 206585533U
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Abstract
The utility model is related to the satellite navigation component technology such as vehicle-mounted, boat-carrying related to big-dipper satellite field, more particularly a kind of frequency low-noise amplifier of the Big Dipper three.Receive processing unit, feedback power supply unit including signal, signal, which receives processing unit, includes three signal input ports and three supporting wave filters, three amplifier tubes, again through three work(devices, attenuator, common amplifier, attenuator, the signal after processing is conveyed to low-level device 12 by signal output port 8；Feeding back power supply unit includes signal output port 8, coil 9, filter circuit 10, mu balanced circuit 11, and above-mentioned mu balanced circuit 11 is each assembly power supply of this amplifier.The utility model is simple in construction, its small volume, is easily installed and uses, and efficiency high, big-dipper satellite multiple frequency range can be used.
Description
Technical field
The utility model is related to the satellite navigation component technology such as vehicle-mounted, boat-carrying related to big-dipper satellite field, more
A kind of particularly frequency low-noise amplifier of the Big Dipper three.
Background technology
Bei bucket Wei stars Dao boat Xi Tong ﹝ BeiDou（COMPASS）Navigation Satellite System ﹞ be China just
The GPS of independent development capability, independent operating in implementation.System Construction target is：Build up independent, open
Compatibility, advanced technology, reliable and stable Beidou satellite navigation system covering the whole world, promote satellite navigation industrial chain to be formed, shape
Into perfect national satellite navigation application industry support, promote and security system, promote satellite navigation each in national economy society
The extensive use of industry.Beidou satellite navigation system is made up of space segment, ground segment and the part of user segment three, and space segment includes 5
Satellite and 30 non-geo satellites, ground segment include several ground such as master station, injection station and monitoring station
Face station, user segment includes Big Dipper user terminal and the terminal compatible with other satellite navigation systems.
The construction and development of Beidou satellite navigation system, using application and industry development as basic goal, will not only build
Into system, more to make good use of system, emphasize quality, safety, using, benefit, and follow opening, it is independence, compatibility, progressive
Property.For the technology application of big-dipper satellite, relatively wide application is had been obtained at present.
The applicable level road scope of big-dipper satellite is wider, and such as Beidou II technical parameter citizens' radio band includes B1 frequency ranges
MHz, B3 frequency range 1250.618 ~ 1286.423 of 1559.052 ~ 1591.788 MHz, B2 frequency range 1166.220 ~ 1217.370
MHz, it is more using frequency range, different signals is received and handled, it is necessary to using different processing equipments, utilization rate of equipment and installations
Relatively low, equipment cost is higher.
The content of the invention
The utility model technical problem to be solved
The utility model provides a kind of frequency low-noise amplifier of the Big Dipper three, its small volume, is easily installed and uses, efficiency
High, usable big-dipper satellite multiple frequency range.
Technical scheme
To reach above-mentioned purpose, the technical scheme that the utility model is provided is：A kind of frequency low-noise amplifier of the Big Dipper three, bag
Include signal processing unit, feedback power supply unit, it is characterised in that：Described signal processing unit includes three receptions
The signal input port 1,1 ', 1 " and supporting three signal processing module amplifier tubes 3,3 ', 3 " of satellite-signal, and through three work(devices
4 and attenuator 5, common amplifier 6, attenuator 7, the signal after processing is conveyed to low-level device 12 by signal output port 8；
Described feedback power supply unit includes signal output port 8, coil 9, filter circuit 10, mu balanced circuit 11, above-mentioned voltage stabilizing electricity
Road 11 is each assembly power supply of this amplifier.
It is " preceding to set respectively in three amplifier tubes 3,3 ', 3 of signal processing unit as further prioritization scheme
Wave filter 2,2 ', 2 ".
Beneficial effect
The technical scheme provided using the utility model, compared with existing known technology, is had the advantages that：This
The frequency low-noise amplifier of the Big Dipper three described in scheme is simple in construction, small volume, and treatment effeciency is high；It is applicable to each of big-dipper satellite
Individual frequency range, adaptability is good；There is provided feedback power supply unit, the electric energy for the low-level device for being introduced signal output port using coil
This amplifier is fed back to, after filtering after circuit, mu balanced circuit processing, power supply is provided for each component of this amplifier.
Brief description of the drawings
Fig. 1 is the utility model structural framing schematic diagram.
Label declaration in schematic diagram：
1st, signal input port port；1 ', signal input port port；1 ", signal input port port；2nd, wave filter；2 ', wave filter；2"、
Wave filter；3rd, amplifier tube；3 ', amplifier tube；3 ", amplifier tube；4th, three work(device；5th, attenuator；6th, common amplifier；7th, attenuator；
8th, signal output port；9th, coil；10th, filter circuit；11st, mu balanced circuit；12nd, low-level device.
Embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure concept of the present utility model.
A kind of frequency low-noise amplifier of the Big Dipper three disclosed in the present embodiment, including signal processing unit, feedback power supply
Unit.Signal processing unit is to receive satellite-signal, and signal is exported to the composition list to low-level device after treatment
Member, including three MCX-K signal input ports 1,1 ', 1 for receiving satellite B1/L1, B3, B2/L2 frequency band signals respectively ", and match somebody with somebody
Three signal amplification module amplifier tubes 3,3 ', 3 ", above-mentioned through signal input port 1,1 ', 1 " of set enter the letter of this amplifier
Number, " after amplification, handle, handle by three work(devices 4, attenuator 5, common amplifier 6, attenuator 7 by amplifier tube 3,3 ', 3
Signal afterwards is exported by signal output port 8, is conveyed to low-level device 12.The LNA frequency range that signal input port is received
Respectively B1/L1 is that 1558 MHz~1577MHz, B2/L2 is that 1195MHz~1239MHz, B3 are 1257MHz~1279MH, warp
Cross after filter and amplification, and synthesis is exported all the way.Feeding back power supply unit includes MCX-K signal output ports 8, coil 9, filter circuit
10th, mu balanced circuit 11, the electric energy for the low-level device 12 for being introduced signal output port 8 using coil 9 feeds back to this amplifier, warp
Cross after filter circuit 10, the processing of mu balanced circuit 11, power supply, wherein coaxial signal output port 8 are provided for each component of this amplifier
For direct current supply, 3.3~5V of voltage.
It is " preceding to set respectively in three amplifier tubes 3,3 ', 3 of signal processing unit as further prioritization scheme
The signal that wave filter 2,2 ', 2 ", to signal input port 1,1 ', 1 " is received, is filtered processing, filter specifications pass-band loss
More than 40dB beyond≤1dB, inband flatness ± 1dB, Out-of-band rejection 50MHz.
The frequency low noise amplifier of the Big Dipper three described in the present embodiment, gain >=38dB, electric current≤220mA, noise coefficient≤
1.5dB, inband flatness ± 1dB（Normal temperature）, export standing wave≤1.5（Normal temperature）, input 1dB compression points >=-30dBm.
The frequency low noise amplifier of the Big Dipper three described in this programme is simple in construction, small volume, appearance and size 60mm × 60mm ×
Within 15mm, weight is less than 80g, and treatment effeciency is high；B1, B2, B3, L1, L2 of big-dipper satellite each frequency range is applicable to,
Adaptability is good；And be provided with feedback power supply unit, the electric energy feedback for the low-level device for signal output port being introduced using coil
To this amplifier, after filtering after circuit, mu balanced circuit processing, power supply is provided for each component of this amplifier, power supply electricity is reduced
Source module, optimizes amplifier volume, and advantageously reduce energy consumption.
It should be appreciated that above-mentioned embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, without constituting to limitation of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvements done etc., should be included within protection domain of the present utility model.In addition,
The utility model appended claims are intended to fall into scope and border or this scope and border
Whole in equivalents changes and modifications example.
Claims (2)
1. a kind of frequency low-noise amplifier of the Big Dipper three, including signal receive processing unit, feedback power supply unit, it is characterised in that：
Described signal, which receives processing unit, includes the signal input port of three reception satellite-signals（1、1′、1"）And supporting three
Signal processing module amplifier tube（3、3′、3"）, then through three work(devices（4）, attenuator（5）, common amplifier（6）, attenuator（7）Place
Reason, the signal after processing is by signal output port（8）It is conveyed to low-level device（12）；Described feedback power supply unit includes signal
Output port（8）, coil（9）, filter circuit（10）, mu balanced circuit（11）, above-mentioned mu balanced circuit（11）It is each for this amplifier
Assembly power supply.
2. the frequency low-noise amplifier of a kind of Big Dipper three according to claim 1, it is characterised in that：Receive processing in signal single
Three amplifier tubes of member（3、3′、3"）It is preceding that wave filter is set respectively（2、2′、2"）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247036.9U CN206585533U (en) | 2017-03-14 | 2017-03-14 | A kind of frequency low-noise amplifier of the Big Dipper three |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720247036.9U CN206585533U (en) | 2017-03-14 | 2017-03-14 | A kind of frequency low-noise amplifier of the Big Dipper three |
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| Publication Number | Publication Date |
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| CN206585533U true CN206585533U (en) | 2017-10-24 |
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| CN201720247036.9U Active CN206585533U (en) | 2017-03-14 | 2017-03-14 | A kind of frequency low-noise amplifier of the Big Dipper three |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047532A (en) * | 2022-01-13 | 2022-02-15 | 龙旗电子(惠州)有限公司 | Double-frequency-band processing circuit and positioning equipment |
-
2017
- 2017-03-14 CN CN201720247036.9U patent/CN206585533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114047532A (en) * | 2022-01-13 | 2022-02-15 | 龙旗电子(惠州)有限公司 | Double-frequency-band processing circuit and positioning equipment |
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