CN204290885U - A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier - Google Patents
A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier Download PDFInfo
- Publication number
- CN204290885U CN204290885U CN201420146386.2U CN201420146386U CN204290885U CN 204290885 U CN204290885 U CN 204290885U CN 201420146386 U CN201420146386 U CN 201420146386U CN 204290885 U CN204290885 U CN 204290885U
- Authority
- CN
- China
- Prior art keywords
- beidou
- gps
- noise amplifier
- low noise
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006698 induction Effects 0.000 claims description 12
- 238000010897 surface acoustic wave method Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
- Amplifiers (AREA)
- Electric Clocks (AREA)
Abstract
The utility model discloses the low noise amplifier in a kind of GPS and Beidou II bimodulus Active Receiving Antenna, comprise first order amplifying circuit, sound watchband bandpass filter, second level amplifying circuit, first order amplifying circuit reception antenna signal also exports amplifying signal by sound watchband bandpass filter, second level amplifying circuit successively, amplified by two-stage, frequency band comprises GPS and Beidou II signal frequency, and two-stage is amplified can meet gain requirement.The low noise amplifier be applied in GPS and Beidou II bimodulus Active Receiving Antenna of the present utility model, can realize GPS and Beidou II bimodulus amplifies simultaneously, and two-stage is amplified, low-noise factor, and structure is simpler, cost is low.
Description
Technical field
The utility model relates to low noise amplifier technical field, is specifically related to a kind of low noise amplifier be applied in GPS and Beidou II bimodulus Active Receiving Antenna.
Background technology
As publication number a kind of dual-mode navigator with GPS and the Big Dipper two kinds of receiving modes disclosed in the Chinese invention patent of CN103344969A, the satellite of two constellations can be used simultaneously, the apparent number of satellite is increased, comprise analog module, GPS receiver module, Big Dipper receiver module, processor module and power module, wherein analog module comprises antenna, low noise amplifier, filter and power splitter, GPS receiver module comprises GPS RF front-end module and baseband signal processing module, Big Dipper receiver module comprises Big Dipper RF front-end module, high-speed a/d, FIFO and FPGA, processor module is OMAP dual core processor, comprise DSP core and ARM core.Low noise amplifier is the required module of GPS and Beidou II navigation receiver system antenna, and its performance directly affects sensitivity and the positioning function of receiver.But in the prior art, low noise amplifier is GPS or Beidou II single mode amplifier, GPS or Beidou II two kinds of mode of operations can not be met simultaneously, exploitation and maintenance cost higher.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides the low noise amplifier in a kind of GPS and Beidou II bimodulus Active Receiving Antenna, comprise first order amplifying circuit, sound watchband bandpass filter, second level amplifying circuit, first order amplifying circuit reception antenna signal also exports amplifying signal by sound watchband bandpass filter, second level amplifying circuit successively, amplified by two-stage, frequency band comprises GPS and Beidou II signal frequency, and two-stage is amplified can meet gain requirement.
To achieve these goals, the utility model adopts following technical scheme.
A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier, be installed on GPS and Beidou II navigation receiver system antenna, comprise first order amplifying circuit, sound watchband bandpass filter, second level amplifying circuit, first order amplifying circuit harmony watchband bandpass filter is connected, sound watchband bandpass filter is connected with second level amplifying circuit, and first order amplifying circuit reception antenna signal also exports the signal after amplifying to GPS system or Beidou II receiver system by sound watchband bandpass filter, second level amplifying circuit successively.
Preferably, described first order amplifying circuit is connected with second level amplifying circuit, and described first order amplifying circuit comprises first order low noise amplifier, the amplifying circuit second level, described second level low noise amplifier.
In above-mentioned arbitrary technical scheme preferably, described first order amplifying circuit, second level amplifying circuit are connected with sound watchband bandpass filter.
In above-mentioned arbitrary technical scheme preferably, low noise amplifier provides 3V or 5V power supply by feeder.
In above-mentioned arbitrary technical scheme preferably, GPS and Beidou II navigation receiver system antenna are received GPS or Beidou II satellite-signal and are amplified by first order low noise amplifier.
In above-mentioned arbitrary technical scheme preferably, GPS and Beidou II navigation receiver system antenna receive GPS or the Beidou II satellite-signal of-130dBm Microsoft signal strength signal intensity, are amplified to ± 13dB by first order low noise amplifier.
In above-mentioned arbitrary technical scheme preferably, low-intensity GPS or Beidou II satellite-signal by the clutter beyond sound watchband bandpass filter filtering useful signal and interference signal, signal intensity attenuation.
In above-mentioned arbitrary technical scheme preferably, low-intensity GPS or Beidou II satellite-signal are through sound table band-pass filter, and signal attenuation is to ± 1.4dB.
In above-mentioned arbitrary technical scheme preferably, amplified by second level low noise amplifier through the low-intensity GPS of sound table band-pass filter or Beidou II satellite-signal.
In above-mentioned arbitrary technical scheme preferably, through the low-intensity GPS of sound table band-pass filter or Beidou II satellite-signal by second level low noise amplifier, signal is amplified to ± 16dB.
In above-mentioned arbitrary technical scheme preferably, GPS or Beidou II satellite-signal are through first order low noise amplifier and second level low noise amplifier, and two-stage low noise amplifier gain amplifier is ± 27dB.
In above-mentioned arbitrary technical scheme preferably, described two-stage low noise amplifier adopts the RF transistor of BFU725F/N1 model, and its cut-off frequency is 55GHz, and its noise factor is 0.7 dB, and its maximum gain is the 1.5GHz of 28dB.
In above-mentioned arbitrary technical scheme preferably, described sound watchband bandpass filter adopts NDF9219 type Surface Acoustic Wave Filter, and its frequency range is 1559.098-1577.420 MHz, and its Insertion Loss is 1.4dB.
In above-mentioned arbitrary technical scheme preferably, described first order amplifying circuit and second level amplifying circuit also comprise the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the second induction coil L2, the 3rd induction coil L3, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4; Described first electric capacity C1 and the second electric capacity C2 is respectively used to direct-current coupling, Input matching, output matching; Described 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5 are used for high frequency bypass; Described second induction coil L2 and the 3rd induction coil L3 is respectively used to Input matching, output matching; Described first resistance R1, the 3rd resistance R3 are used for arranging RF transistor static working point; Described second resistance R2, the 4th resistance R4 are used for stablizing low noise amplifier.
Low noise amplifier in a kind of GPS of the present utility model and Beidou II bimodulus Active Receiving Antenna, comprise first order amplifying circuit, sound watchband bandpass filter, second level amplifying circuit, first order amplifying circuit harmony watchband bandpass filter is connected, sound watchband bandpass filter is connected with second level amplifying circuit, first order amplifying circuit has first order low noise amplifier, and second level amplifying circuit has second level low noise amplifier.First order amplifying circuit reception antenna signal also exports amplifying signal by sound watchband bandpass filter, second level amplifying circuit successively, and amplified by two-stage, frequency band comprises GPS and Beidou II signal frequency, two-stage is amplified can meet gain requirement, small product size is little, and structure is more flexible, and cost is low.
GPS of the present utility model and Beidou II bimodulus Active Receiving Antenna low noise amplifier, its dual-stage amplifier have employed the RF transistor of BFU725F/N1 model, and its sound watchband bandpass filter adopts NDF9219 type Surface Acoustic Wave Filter, stable performance.
Compared with prior art, the low noise amplifier be applied in GPS and Beidou II bimodulus Active Receiving Antenna of the present utility model, can realize GPS and Beidou II bimodulus amplifies simultaneously, and two-stage is amplified, low-noise factor, and structure is simpler, cost is low.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the preferred embodiment according to GPS of the present utility model and Beidou II bimodulus Active Receiving Antenna low noise amplifier;
Fig. 2 is first order amplifying circuit according to a preferred embodiment of GPS of the present utility model and Beidou II bimodulus Active Receiving Antenna low noise amplifier and second level amplifying circuit connecting circuit figure.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated, below describe only exemplarily and explain, any pro forma restriction is not done to the utility model.
As shown in Figure 1, low noise amplifier in a kind of GPS and Beidou II bimodulus Active Receiving Antenna, comprise first order amplifying circuit, sound watchband bandpass filter, second level amplifying circuit, first order amplifying circuit harmony watchband bandpass filter is connected, sound watchband bandpass filter is connected with second level amplifying circuit, first order amplifying circuit has first order low noise amplifier, and second level amplifying circuit has second level low noise amplifier.First order amplifying circuit reception antenna signal also exports amplifying signal by sound watchband bandpass filter, second level amplifying circuit successively, and amplified by two-stage, frequency band comprises GPS and Beidou II signal frequency, and namely two-stage amplification meets gain requirement.
As shown in Figure 2, first order amplifying circuit is connected with second level amplifying circuit, and this circuit comprises the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the second induction coil L2, the 3rd induction coil L3, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4.Wherein, the first electric capacity C1 and the second electric capacity C2 is respectively used to direct-current coupling, Input matching, output matching; 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5 are used for high frequency bypass; Second induction coil L2 and the 3rd induction coil L3 is respectively used to Input matching, output matching; First resistance R1, the 3rd resistance R3 are used for arranging RF transistor static working point; Second resistance R2, the 4th resistance R4 are used for stablizing low noise amplifier.
In specific implementation process, two-stage low noise amplifier adopts the RF transistor of BFU725F/N1 model, and its cut-off frequency is 55GHz, and its noise factor is 0.7 dB, and its maximum gain is the 1.5GHz of 28dB.Sound watchband bandpass filter adopts NDF9219 type Surface Acoustic Wave Filter, and its frequency range is 1559.098-1577.420 MHz, and its Insertion Loss is 1.4dB.First order amplifying circuit reception antenna signal also exports the signal after amplifying to GPS system or Beidou II receiver system by sound watchband bandpass filter, second level amplifying circuit successively.Low noise amplifier provides 3V or 5V power supply by feeder, GPS and Beidou II navigation receiver system antenna receive GPS or the Beidou II satellite-signal of-130dBm Microsoft signal strength signal intensity, ± 13dB is amplified to by first order low noise amplifier, low-intensity GPS or Beidou II satellite-signal are by the clutter beyond sound watchband bandpass filter filtering useful signal and interference signal, signal intensity attenuation is to ± 1.4dB, amplified by second level low noise amplifier through the low-intensity GPS of sound table band-pass filter or Beidou II satellite-signal, signal is amplified to ± 16dB.GPS or Beidou II satellite-signal are through first order low noise amplifier and second level low noise amplifier, and two-stage low noise amplifier gain amplifier is ± 27dB.
Claims (11)
1. a GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier, be installed on GPS and Beidou II navigation receiver system antenna, it is characterized in that: this low noise amplifier comprises first order amplifying circuit, sound watchband bandpass filter, second level amplifying circuit, described first order amplifying circuit comprises first order low noise amplifier, and described second level amplifying circuit comprises second level low noise amplifier, described first order amplifying circuit and second level amplifying circuit also comprise the first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5, second induction coil L2, 3rd induction coil L3, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, described first electric capacity C1 and the second electric capacity C2 is respectively used to direct-current coupling, Input matching, output matching, described 3rd electric capacity C3, 4th electric capacity C4, 5th electric capacity C5 is used for high frequency bypass, described second induction coil L2 and the 3rd induction coil L3 is respectively used to Input matching, output matching, described first resistance R1, 3rd resistance R3 is used for arranging RF transistor static working point, described second resistance R2, 4th resistance R4 is used for stablizing low noise amplifier, the first order amplifying circuit of this low noise amplifier is connected with sound watchband bandpass filter, sound watchband bandpass filter is connected with second level amplifying circuit, first order amplifying circuit reception antenna signal also exports the signal after amplifying to GPS system or Beidou II receiver system by sound watchband bandpass filter, second level amplifying circuit successively, amplified by two-stage, frequency band comprises GPS and Beidou II signal frequency, meets gain requirement.
2. GPS as claimed in claim 1 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, is characterized in that: low noise amplifier provides 3V or 5V power supply by feeder.
3. GPS as claimed in claim 1 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, is characterized in that: GPS and Beidou II navigation receiver system antenna are received GPS or Beidou II satellite-signal and amplified by first order low noise amplifier.
4. the GPS as described in claim 1 or 3 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, it is characterized in that: GPS and Beidou II navigation receiver system antenna receive GPS or the Beidou II satellite-signal of-130dBm intensity, are amplified to ± 13dB by first order low noise amplifier.
5. GPS as claimed in claim 4 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, it is characterized in that: low-intensity GPS or Beidou II satellite-signal by the clutter beyond sound watchband bandpass filter filtering useful signal and interference signal, signal intensity attenuation.
6. GPS as claimed in claim 5 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, is characterized in that: low-intensity GPS or Beidou II satellite-signal through sound table band-pass filter, signal attenuation extremely ± 1.4dB.
7. GPS as claimed in claim 5 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, is characterized in that: amplified by second level low noise amplifier through the low-intensity GPS of sound table band-pass filter or Beidou II satellite-signal.
8. GPS as claimed in claim 6 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, it is characterized in that: through the low-intensity GPS of sound table band-pass filter or Beidou II satellite-signal by second level low noise amplifier, signal is amplified to ± 16dB.
9. GPS as claimed in claim 4 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, it is characterized in that: GPS or Beidou II satellite-signal are through first order low noise amplifier and second level low noise amplifier, and two-stage low noise amplifier gain amplifier is ± 27dB.
10. GPS as claimed in claim 9 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, it is characterized in that: described two-stage low noise amplifier adopts the RF transistor of BFU725F/N1 model, its cut-off frequency is 55GHz, its noise factor is 0.7 dB, and its maximum gain is the 1.5GHz of 28dB.
11. GPS as claimed in claim 1 and Beidou II bimodulus Active Receiving Antenna low noise amplifier, it is characterized in that: described sound watchband bandpass filter adopts NDF9219 type Surface Acoustic Wave Filter, its frequency range is 1559.098-1577.420 MHz, and its Insertion Loss is 1.4dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146386.2U CN204290885U (en) | 2014-03-28 | 2014-03-28 | A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146386.2U CN204290885U (en) | 2014-03-28 | 2014-03-28 | A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290885U true CN204290885U (en) | 2015-04-22 |
Family
ID=52874011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420146386.2U Expired - Fee Related CN204290885U (en) | 2014-03-28 | 2014-03-28 | A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277198A (en) * | 2015-10-23 | 2016-01-27 | 卜放 | Vehicle-mounted wireless navigation signal processing system and circuit |
| CN105954779A (en) * | 2016-03-31 | 2016-09-21 | 杭州显望集成电路有限公司 | Active radio frequency module of navigation and positioning antenna |
| CN110855265A (en) * | 2019-11-27 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Shark fin antenna circuit and shark fin antenna |
-
2014
- 2014-03-28 CN CN201420146386.2U patent/CN204290885U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277198A (en) * | 2015-10-23 | 2016-01-27 | 卜放 | Vehicle-mounted wireless navigation signal processing system and circuit |
| CN105954779A (en) * | 2016-03-31 | 2016-09-21 | 杭州显望集成电路有限公司 | Active radio frequency module of navigation and positioning antenna |
| CN110855265A (en) * | 2019-11-27 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Shark fin antenna circuit and shark fin antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104035105A (en) | Low noise amplifier and radio frequency system at front end of GNSS system receiver | |
| CN204290885U (en) | A kind of GPS and Beidou II bimodulus Active Receiving Antenna low noise amplifier | |
| CN203773055U (en) | GPS and Beidou second-generation dual-mode active navigation antenna | |
| CN203930070U (en) | The radio system of low noise amplifier and GNSS system receiver front end | |
| CN104980180A (en) | Microwave transceiver | |
| CN203658586U (en) | GGB100 multimode satellite navigation receiver | |
| CN202334510U (en) | Transceiver for millimeter wave active personnel safety inspection device | |
| CN207021982U (en) | Gps antenna circuit and its communication terminal | |
| CN205039805U (en) | End device before shortwave is received | |
| CN103716062A (en) | Radio-frequency circuit integrating low-noise amplifier, power amplifier, and antenna switch | |
| CN203896313U (en) | Low noise amplifier | |
| CN207623509U (en) | Radar receiver under a kind of L-band fixed ampllitude | |
| CN203643599U (en) | Secondary radar high- and intermediate-frequency digital receiver | |
| CN216356693U (en) | Vehicle-mounted wireless communication GNSS and cellular coexistence interference suppression circuit structure | |
| CN102457306B (en) | Analog front end circuit of interrogator in near field communication (NFC) system | |
| CN104409857B (en) | A kind of frequency dual system active satellites of GPS/BDII tri- navigation reception antenna applied to Small and micro-satellite | |
| CN203039644U (en) | Beidou and GPS (global positioning system) low-noise amplifier | |
| CN201663583U (en) | Beidou low-noise amplifier | |
| CN102545933A (en) | Two-stage frequency conversion broadband receiver | |
| CN101964936A (en) | Processing chip for digital microphone, input circuit thereof and digital microphone | |
| CN201514476U (en) | Analog front-end of high-frequency surface wave radar receiver | |
| CN207096458U (en) | Realize the radio frequency reception channel circuit of anti-interference antenna of satellite navigation | |
| CN210431363U (en) | Plant protection unmanned aerial vehicle and satellite positioning system and preceding stage amplifier circuit thereof | |
| CN104993204A (en) | Multifunctional coupler circuit | |
| CN203289418U (en) | Radio frequency sampling receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |