CN105866547A - Active antenna tester - Google Patents
Active antenna tester Download PDFInfo
- Publication number
- CN105866547A CN105866547A CN201510035171.2A CN201510035171A CN105866547A CN 105866547 A CN105866547 A CN 105866547A CN 201510035171 A CN201510035171 A CN 201510035171A CN 105866547 A CN105866547 A CN 105866547A
- Authority
- CN
- China
- Prior art keywords
- active antenna
- antenna
- power supply
- connector
- test device
- 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.)
- Granted
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an active antenna tester. The active antenna tester includes the following components of: a power supply unit used for providing work voltage for an active antenna; a matched connector having a power supply pin and a ground pin, wherein the matched connector is matched and jointed with an antenna connector of the active antenna, and the power supply pin is electrically connected with the antenna connector and in signal connection with the antenna connector; a DC block with an input end connected with the power supply pin of the matched connector, wherein the DC block can block DC current transmitted by the power supply pin, and the output end of the DC block outputs a signal sent by the power supply pin; and a network analyzer with a port, wherein the port is connected with the output end of the DC block. The signal is sent to the DC block through the matched connector, and is sent to the network analyzer, so that testing can be carried out; the DC block only sends the signal to the network analyzer, and the voltage supplied by the power supply unit can be blocked, and thus, impact damage to the network analyzer can be effectively prevented.
Description
[technical field]
The present invention relates to antenna measurement device, particularly relate to a kind of active antenna test device.
[background technology]
Antenna is distinguished from or without power supply, is divided into active antenna and passive antenna.Passive antenna need not be powered
Work, and active antenna needs power supply to work.
Current WWAN/WLAN/BT antenna is passive antenna.Referring to Fig. 1, Fig. 1 is prior art quilt
The test structural representation of dynamic antenna, directly can be connected on the port of Network Analyzer 11 by passive antenna 10
On 12, Network Analyzer 11 directly measures standing-wave ratio (SWR, full name is voltage standing wave ratio, has another name called VSWR,
For writing a Chinese character in simplified form of English Voltage Standing Wave Ratio) and return loss (Return Loss).
And gps antenna is active antenna, it includes low-noise amplifier (LNA；Low Noise Amplifier),
Signal can be amplified and filter.And low-noise amplifier needs power supply to work.For active sky
For line, owing to the port 12 of Network Analyzer 11 cannot be powered, if directly power supply can damage network by force
Analyser 11, therefore active antenna (such as gps antenna) directly cannot be tested with Network Analyzer 11
Standing wave when return loss.
In view of this, it is necessary in fact to develop a kind of active antenna test device, to solve the problems referred to above.
[summary of the invention]
Therefore, it is an object of the invention to provide a kind of active antenna test device, solve prior art test knot
The problem that structure cannot test active antenna.
In order to achieve the above object, the active antenna test device that the present invention provides, comprising:
Power supply unit, it is provided that the running voltage of described active antenna；
Matching connector, it has power pins and grounding pin, described matching connector and described active
The antenna connector coupling docking of antenna, described power pins is electrically connected with and signal with described antenna connector
Connect；
Direct current blocks device (DC block), and its input is connected with the power pins of described matching connector,
Blocking the unidirectional current that described power pins is transmitted, its outfan exports the signal transmitted by described power pins；
Network Analyzer, it has Single port, and the outfan that described port blocks device with described direct current is connected.
Optionally, described active antenna is gps antenna, and described running voltage is 3.3V DC voltage.
Optionally, said supply unit is DC source.
Optionally, said supply unit includes interconnective USB interface and electric pressure converter, described USB
Interface connects an external power supply, and the voltage obtained from described USB interface is converted to main by described electric pressure converter
Running voltage needed for dynamic antenna.
Optionally, described matching connector is I-PEX adapter, including two grounding pins, and this two grounding lead
Foot short circuit is as the grounding pin of this matching connector.
Optionally, this device also includes a partition electric capacity, is serially connected with described direct current and blocks device and mate even with described
Connect between the power pins of device.
Compared to prior art, utilize the active antenna test device of the present invention, when test, by described master
The antenna connector of dynamic antenna docks with described matching connector coupling, and said supply unit is by described coupling
Direct-current working volts are transferred to described active antenna by adapter, and described active antenna works, and sends signal,
And block device by the transmission of described matching connector to described direct current, and then send described Network Analyzer to,
To carry out the test of standing wave when return loss etc.；Owing to described direct current blocks the effect of device by signal to net
Network analyser, and blocked power supply unit the voltage of confession, therefore can be prevented effectively from described Network Analyzer
Impact failure.
[accompanying drawing explanation]
Fig. 1 is schematically shown as the test structural representation of the passive antenna of prior art.
Fig. 2 is schematically shown as the structural representation of the active antenna test device of the present invention.
Fig. 3 is schematically shown as the electrical block diagram of a preferred embodiment of the active antenna test device of the present invention.
[detailed description of the invention]
Refer to the structural representation that Fig. 2, Fig. 2 are schematically shown as the active antenna test device of the present invention.
Therefore, it is an object of the invention to provide a kind of active antenna test device, solve prior art test knot
The problem that structure cannot test active antenna.
In order to achieve the above object, the active antenna test device that the present invention provides, comprising:
Power supply unit 100, it is provided that the running voltage of described active antenna 101；
Matching connector 102, it has power pins 103 and grounding pin 104, described matching connector
102 dock with antenna connector 105 coupling of described active antenna 101, and described power pins 103 is with described
Antenna connector 105 is electrically connected with and signal connects；
Direct current blocks device 106, and its input is connected with the power pins 103 of described matching connector 102, resistance
The unidirectional current that exhausted described power pins 103 is transmitted, the output of its outfan is transmitted by described power pins 103
Signal；
Network Analyzer 107, it has a Single port 108, and described port 108 blocks device 106 with described direct current
Outfan be connected.
Wherein, described active antenna 101 for example, gps antenna, described running voltage is 3.3V DC voltage；
Said supply unit 100 for example, DC source.
The electricity of a preferred embodiment of the active antenna test device of the present invention it is schematically shown as referring again to Fig. 3, Fig. 3
Line structure schematic diagram.
In the present embodiment, said supply unit 100 includes interconnective usb 1 09 and voltage conversion
Device 110, described usb 1 09 connects an external power supply 111, and described electric pressure converter 110 will be from described
The voltage that usb 1 09 obtains is converted to the running voltage needed for active antenna 101.Described electric pressure converter
110 for example, G916-330T1Uf SOT25.Owing to providing the external power supply 111 of USB voltage to obtain very well,
Thus facilitate user to find power supply.
In the present embodiment, described matching connector 102 is I-PEX adapter, including two grounding pins 104,
This two grounding pin 104 short circuit (being connected together) is as the grounding pin 104 of this matching connector 102.
In the present embodiment, this device also includes a partition electric capacity 112, be serially connected with described direct current block device 106 with
Between the power pins 103 of described matching connector 102, so that circuit is more stable.
Compared to prior art, utilize the active antenna test device of the present invention, when test, by described master
The antenna connector 105 of dynamic antenna 101 docks with described matching connector 102 coupling, said supply unit
100 pass through described matching connector 102, and direct-current working volts are transferred to described active antenna 101, described
Active antenna 101 works, and sends signal, and is hindered to described direct current by the transmission of described matching connector 102
Device 106 absolutely, and then send described Network Analyzer 107 to, to carry out the test of standing wave when return loss etc.；
Owing to described direct current blocks the effect of device 106 by signal to Network Analyzer 107, and block power supply unit
The voltage of 100 confessions, therefore can be prevented effectively from the impact failure to described Network Analyzer 107.
It is noted that the invention is not restricted to above-mentioned embodiment, any those skilled in the art's base
Any simple modification, equivalent variations and the modification made above-described embodiment in technical solution of the present invention, all falls
Enter in protection scope of the present invention.
Claims (6)
1. an active antenna test device, it is characterised in that comprising:
Power supply unit, it is provided that the running voltage of described active antenna；
Matching connector, it has power pins and grounding pin, described matching connector and described active
The antenna connector coupling docking of antenna, described power pins is electrically connected with and signal with described antenna connector
Connect；
Direct current blocks device, and its input is connected with the power pins of described matching connector, blocks described power supply
The unidirectional current that pin is transmitted, its outfan exports the signal transmitted by described power pins；
Network Analyzer, it has Single port, and the outfan that described port blocks device with described direct current is connected.
2. active antenna test device as claimed in claim 1, it is characterised in that described active antenna is
Gps antenna, described running voltage is 3.3V DC voltage.
3. active antenna test device as claimed in claim 1, it is characterised in that said supply unit is
DC source.
4. active antenna test device as claimed in claim 1, it is characterised in that said supply unit bag
Including interconnective USB interface and electric pressure converter, described USB interface connects an external power supply, described electricity
The voltage obtained from described USB interface is converted to the running voltage needed for active antenna by pressure converter.
5. active antenna test device as claimed in claim 1, it is characterised in that described matching connector
For I-PEX adapter, including two grounding pins, this two grounding pins short circuit connecing as this matching connector
Ground pin.
6. active antenna test device as claimed in claim 1, it is characterised in that also include a partition electricity
Hold, be serially connected with between the power pins that described direct current blocks device and described matching connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510035171.2A CN105866547B (en) | 2015-01-23 | 2015-01-23 | Active antenna test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510035171.2A CN105866547B (en) | 2015-01-23 | 2015-01-23 | Active antenna test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105866547A true CN105866547A (en) | 2016-08-17 |
| CN105866547B CN105866547B (en) | 2019-04-19 |
Family
ID=56624134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510035171.2A Active CN105866547B (en) | 2015-01-23 | 2015-01-23 | Active antenna test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105866547B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2790007Y (en) * | 2005-04-30 | 2006-06-21 | 张雷 | GPS active antenna interface antisurging shock device |
| JP2006170666A (en) * | 2004-12-13 | 2006-06-29 | Auto Network Gijutsu Kenkyusho:Kk | Dielectric loss tangent measuring device |
| CN101237242A (en) * | 2008-02-27 | 2008-08-06 | 华为技术有限公司 | An antenna feedback adaptation device and method |
| CN201489075U (en) * | 2009-08-19 | 2010-05-26 | 成都成电亿赛科技股份有限公司 | GPS active antenna on-off detection device |
| CN102680844A (en) * | 2011-03-18 | 2012-09-19 | 上海晨兴希姆通电子科技有限公司 | Antenna connection status detection device and detection method thereof |
| CN203851123U (en) * | 2014-05-27 | 2014-09-24 | 江西洪都航空工业集团有限责任公司 | Active GPS antenna power source and signal isolator |
| CN104124988A (en) * | 2013-04-23 | 2014-10-29 | 神讯电脑(昆山)有限公司 | Antenna connector module and antenna switching method, and electronic device applying antenna connector module and antenna switching method |
| CN204439722U (en) * | 2015-01-23 | 2015-07-01 | 神讯电脑(昆山)有限公司 | Active antenna proving installation |
-
2015
- 2015-01-23 CN CN201510035171.2A patent/CN105866547B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006170666A (en) * | 2004-12-13 | 2006-06-29 | Auto Network Gijutsu Kenkyusho:Kk | Dielectric loss tangent measuring device |
| CN2790007Y (en) * | 2005-04-30 | 2006-06-21 | 张雷 | GPS active antenna interface antisurging shock device |
| CN101237242A (en) * | 2008-02-27 | 2008-08-06 | 华为技术有限公司 | An antenna feedback adaptation device and method |
| CN201489075U (en) * | 2009-08-19 | 2010-05-26 | 成都成电亿赛科技股份有限公司 | GPS active antenna on-off detection device |
| CN102680844A (en) * | 2011-03-18 | 2012-09-19 | 上海晨兴希姆通电子科技有限公司 | Antenna connection status detection device and detection method thereof |
| CN104124988A (en) * | 2013-04-23 | 2014-10-29 | 神讯电脑(昆山)有限公司 | Antenna connector module and antenna switching method, and electronic device applying antenna connector module and antenna switching method |
| CN203851123U (en) * | 2014-05-27 | 2014-09-24 | 江西洪都航空工业集团有限责任公司 | Active GPS antenna power source and signal isolator |
| CN204439722U (en) * | 2015-01-23 | 2015-07-01 | 神讯电脑(昆山)有限公司 | Active antenna proving installation |
Non-Patent Citations (3)
| Title |
|---|
| 康成斌等: "一种新型圆极化接收有源集成天线的设计", 《电波科学学报》 * |
| 秦岩等: "智能天线的测试", 《电信技术》 * |
| 郑少超等: "卫星定位有源天线性能测试接口转换装置", 《现代电子技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105866547B (en) | 2019-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070075680A1 (en) | Charging mode control circuit | |
| US20100299566A1 (en) | Debugging module for electronic device and method thereof | |
| CN208092121U (en) | A kind of voltage monitoring circuit based on reset chip | |
| TWM436840U (en) | Test device for motherboard port | |
| CN105866547A (en) | Active antenna tester | |
| CN204439722U (en) | Active antenna proving installation | |
| US11132144B2 (en) | Integrated interface and electronic device | |
| CN104090205A (en) | Cable connection testing circuit | |
| CN203554411U (en) | Ground/open circuit discrete magnitude input preprocessing circuit | |
| CN104410548A (en) | Single LAN interface wireless router performance testing system and method | |
| CN213279650U (en) | Radio frequency measuring equipment with radio frequency front end protection | |
| CN203981819U (en) | A kind of cable connecting test circuit | |
| CN205080389U (en) | Wired network connection internet's of accessible control circuit in base | |
| CN210573761U (en) | Interface conversion circuit and signal detection device | |
| CN105718407B (en) | The USB switch of chip controls | |
| CN110556891B (en) | Charging circuit of double chargers | |
| CN209913708U (en) | Completely isolated circuit | |
| CN209104456U (en) | A kind of multi-functional low frequency interconnecting device | |
| CN204044333U (en) | A kind of portable type measuring battery capacity equipment | |
| CN110501562A (en) | Transformer core grounding band shows sensor on the spot | |
| CN203688622U (en) | End voltage optical fiber isolating sampling circuit of power semiconductor device | |
| CN203631926U (en) | Conversion device used in aviation plug wire connection | |
| CN211086475U (en) | Circuit board clamp and circuit for power supply of active probe SMA interface of oscilloscope | |
| CN204557469U (en) | The USB switch of chip controls | |
| CN204347133U (en) | A kind of USB adapter being applied to resistivity measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |