CN203675100U - Novel ADS-B antenna amplifier - Google Patents
Novel ADS-B antenna amplifier Download PDFInfo
- Publication number
- CN203675100U CN203675100U CN201320888105.6U CN201320888105U CN203675100U CN 203675100 U CN203675100 U CN 203675100U CN 201320888105 U CN201320888105 U CN 201320888105U CN 203675100 U CN203675100 U CN 203675100U
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- amplifier
- antenna
- utility
- isolator
- linear voltage
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- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000003381 stabilizer Substances 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The utility model discloses a novel ADS-B antenna amplifier which comprises an isolator, an amplitude limiter, a low noise amplifier, a filter and an antenna feeder which are successively connected. The antenna feeder is connected with the low noise amplifier via a linear voltage stabilizer. The input end of the isolator and the out end of the antenna feeder are respectively used as the input and output ends of the amplifier. According to the utility model, the problem of system sensitivity in different installation platform elements can be effectively solved via technologies including port standing wave coupling, large power burnout resistance, lower noise amplification and antenna feeding.
Description
Technical field
The utility model relates to ADS-B technical field, particularly a kind of new A DS-B antenna amplifier antennafire.
Background technology
The important function of ADS-B (Automatic dependent surveillance broadcast) is to rely on aerial every airplane Auto broadcast self-position report, and receive the position message of fellow, understand mutually the other side's disposal site and whereabouts, driver is independently bearing the responsibility of safeguarding air traffic interval, no longer relies on ground radar and monitors and control.What traditional ADS-B receiving front-end designed use is to receive the air traffic control signal space from antenna front end, aircraft-position information, then pass the signal in receiver by a radio frequency coaxial-cable, carry out video detection processing by ADS-B receiver, sensitivity >=-87dBm, system decoding sensitivity >=-83dBm, operating distance is limited.
The signal processing that directly passes the signal to receiver by a radio frequency coaxial-cable has very large defect: due to factors such as the length of antenna cable, Insertion Loss, port standing waves, the loss factor of these signals is all added in the noise factor of receiver front end and is gone, increase the noise factor of receiver, reduced greatly the sensitivity of receiver.
Can effectively reduce the loss of signal and the device of receiver noise factor if can provide a kind of, will be very significant.
Summary of the invention
For addressing the above problem, the utility model provides a kind of new A DS-B antenna amplifier antennafire, it is characterized in that, comprises the isolator, amplitude limiter, low noise amplifier, dielectric filter, the antenna feed electrical equipment that connect in turn;
Described amplifier also comprises linear voltage regulator, and described antenna feed electrical equipment is connected with linear voltage regulator input, and low noise amplifier is connected with linear voltage regulator output;
The input of described isolator is as amplifier in, and antenna feed electrical equipment output is as amplifier out.
Further, described amplifier adopts radio frequency coaxial-cable to carry out feed.
Further, described linear voltage regulator input terminal voltage is 12v, and output end voltage is 5 v.
The beneficial effects of the utility model are:
The utility model adopts standing wave coupling, has reduced the standing-wave ratio of antenna to receiver port; Use low noise amplifier, reduce radio-frequency front-end noise factor; Adopt radio frequency coaxial-cable feed, the same circuit of signal and power acquisition is transmitted, improve the reliability that product uses.
Than directly receiving ADS-B receiver by cable at antenna port, after antenna port access the utility model, receive ADS-B receiver by radio frequency coaxial-cable again, the sensitivity of receiver has improved 4-5 decibel, and indices meets complete machine real requirement.
Accompanying drawing explanation
Fig. 1 is the utility model circuit block diagram.
Embodiment
This practicality comprises the isolator, amplitude limiter, low noise amplifier, filter, the antenna feed electrical equipment that connect in turn, also comprises linear voltage regulator.Antenna feed electrical equipment is connected with linear voltage regulator input, and low noise amplifier is connected with linear voltage regulator output.The input of described isolator is as amplifier in, and antenna feed electrical equipment output is as amplifier out.Described linear voltage regulator input is 12v, and output is 5 v.
Operation principle of the present utility model is as follows: antenna reception to radiofrequency signal send into amplitude limiter after mating by isolator, suppress outside input large-signal, prevent that antenna front-end amplifier from being burnt by large-signal, antenna front end is amplified to proper range by low noise amplifier to needs signal, then device is selected the frequency signal needing after filtering, the outer and image frequency signal of inhibition zone; Because Power supply transmits from radio frequency coaxial-cable, so also need an antenna feed electrical equipment that power supply and signal are separated, give receiver below signal and use.
The utility model is not limit the collection progression of isolator and is born power number, port standing wave.
The utility model is not limit amplitude limit mode, the amplitude limit watt level of this amplitude limiter.
The utility model is not limit noise factor, the amplification quantity of this amplifier, supply voltage electric current.
The utility model is not limit Insertion Loss, Out-of-band rejection, the port standing wave of this filter.
The utility model is not limit Insertion Loss, frequency range, port standing wave, the feed current of antenna feed electrical equipment.
The beneficial effects of the utility model are:
The utility model adopts standing wave coupling, has reduced the standing-wave ratio of antenna to receiver port; Use low noise amplifier, reduce radio-frequency front-end noise factor; Adopt radio frequency coaxial-cable feed, the same circuit of signal and power acquisition is transmitted, improve the reliability that product uses.
Than directly receiving ADS-B receiver by cable at antenna port, after antenna port access the utility model, receive ADS-B receiver by radio frequency coaxial-cable again, the sensitivity of receiver has improved 4-5 decibel, and indices meets complete machine real requirement.
Claims (3)
1. a new A DS-B antenna amplifier antennafire, is characterized in that, comprises the isolator, amplitude limiter, low noise amplifier, dielectric filter, the antenna feed electrical equipment that connect in turn;
Described amplifier also comprises linear voltage regulator, and described antenna feed electrical equipment is connected with linear voltage regulator input, and low noise amplifier is connected with linear voltage regulator output;
The input of described isolator is as amplifier in, and antenna feed electrical equipment output is as amplifier out.
2. new A DS-B antenna amplifier antennafire as claimed in claim 1, is characterized in that, described amplifier adopts radio frequency coaxial-cable to carry out feed.
3. new A DS-B antenna amplifier antennafire as claimed in claim 1, is characterized in that, described linear voltage regulator input terminal voltage is 12v, and output end voltage is 5 v.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888105.6U CN203675100U (en) | 2013-12-31 | 2013-12-31 | Novel ADS-B antenna amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320888105.6U CN203675100U (en) | 2013-12-31 | 2013-12-31 | Novel ADS-B antenna amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675100U true CN203675100U (en) | 2014-06-25 |
Family
ID=50971346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320888105.6U Expired - Lifetime CN203675100U (en) | 2013-12-31 | 2013-12-31 | Novel ADS-B antenna amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203675100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410802A (en) * | 2014-12-11 | 2015-03-11 | 成都新光微波工程有限责任公司 | Digital television emission system |
-
2013
- 2013-12-31 CN CN201320888105.6U patent/CN203675100U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410802A (en) * | 2014-12-11 | 2015-03-11 | 成都新光微波工程有限责任公司 | Digital television emission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |