CN205490565U - High sensitivity narrowband transceiver examine school device - Google Patents
High sensitivity narrowband transceiver examine school device Download PDFInfo
- Publication number
- CN205490565U CN205490565U CN201620217469.5U CN201620217469U CN205490565U CN 205490565 U CN205490565 U CN 205490565U CN 201620217469 U CN201620217469 U CN 201620217469U CN 205490565 U CN205490565 U CN 205490565U
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- CN
- China
- Prior art keywords
- computer terminal
- power supply
- high sensitivity
- transceiver
- ammeter
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- 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.)
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Abstract
The utility model discloses a high sensitivity narrowband transceiver examine school device, include: ware, signal source, frequency spectrograph, ampere meter, D. C. Regulated power supply and computer terminal are divided to test jig, power attenuator, radio frequency merit, wherein, the test jig is connected with power attenuator, computer terminal, ampere meter and D. C. Regulated power supply respectively, the radio frequency merit divides the ware to be connected with power attenuator, signal source and frequency spectrograph respectively, computer terminal is connected with signal source, frequency spectrograph respectively through the switching signal line, the ampere meter is connected with computer terminal, D. C. Regulated power supply respectively. Adopt the utility model discloses technical scheme can shorten examine the timing between, improve and examine school efficiency.
Description
Technical field
This utility model relates to electric detective technology field, particularly relates to a kind of high sensitivity arrowband transceiver
Calibration device.
Background technology
High sensitivity arrowband transceiver is a kind of highly sensitive data source and sink, needs after it has produced
Carry out the stability of several performances detection guarantee equipment.As its electric property is detected, school
Quasi-height two launches power, and writes in transmitting table；Its reception is carried out bit error rate test；The most right
Qualified products carry out version, the number of the writing operation etc. of No. SN.Whole calibration process needs 25～30 minutes could be complete
Become, and all detection process is carried out by the specific instrument of manual operation, when launching power such as calibration two,
Testing staff uses instrument that high sensitivity arrowband transceiver is carried out hand dipping and calibrated, and process is complicated, holds
Error-prone, operator are required higher.
Summary of the invention
Technical problem to be solved in the utility model is to provide the calibration of a kind of high sensitivity arrowband transceiver
Device, can shorten the calibration time, improves calibration efficiency.
For solving above technical problem, this utility model embodiment provides a kind of high sensitivity arrowband transceiver
Calibration device, including: testing jig, power attenuator, RF Power Splitter, signal source, audiofrequency spectrometer, electric current
Table, D.C. regulated power supply and computer terminal；
Wherein, described testing jig respectively with described power attenuator, described computer terminal, described ammeter and
Described D.C. regulated power supply connects；
Described RF Power Splitter is connected with described power attenuator, described signal source and described audiofrequency spectrometer respectively；
Described computer terminal is connected with described signal source, described audiofrequency spectrometer respectively by tandem signal line；
Described ammeter is connected with described computer terminal, described D.C. regulated power supply respectively.
Further, it is characterised in that described testing jig is provided with first serial, radio frequency interface and power supply and connects
Mouthful；
Described testing jig respectively with described power attenuator, described computer terminal, described ammeter and described directly
Stream regulated power supply connects, particularly as follows:
Described first serial is connected with the second serial being arranged on described computer terminal；
Described radio frequency interface is connected with described power attenuator；
Described power supply interface is connected with described D.C. regulated power supply.
Further, it is characterised in that described ammeter is connected with described computer terminal, particularly as follows:
Described ammeter is connected with described computer terminal by serial ports cable.
Further, described tandem signal line is the switching letter between general purpose interface bus and USB (universal serial bus)
Number line.
The calibration device of the high sensitivity arrowband transceiver that this utility model embodiment provides, will treat the narrow of calibration
Band transceiver is fixing on the tester rack, is powered to arrowband transceiver by D.C. regulated power supply, by audiofrequency spectrometer,
The data of measurement are sent to computer terminal by signal source and ammeter, computer terminal complete calibration and judge, real
The semi-automatic calibration of existing arrowband transceiver.Using artificial calibration compared to prior art overall process, this practicality is new
Calibration process can be shortened in 5 minutes by type, and the Professional knowledge to testing staff requires to be greatly reduced,
Improve calibration efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment of the calibration device of the high sensitivity arrowband transceiver that this utility model provides
Structural representation；
Fig. 2 is the structural representation of a kind of embodiment of the computer terminal that this utility model provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technical side in this utility model embodiment
Case is clearly and completely described.
See Fig. 1, be a kind of enforcement of the calibration device of the high sensitivity arrowband transceiver that this utility model provides
The structural representation of example.As it is shown in figure 1, this calibration device includes: testing jig 1, power attenuator 2, penetrate
Frequently power splitter 3, signal source 4, audiofrequency spectrometer 5, ammeter 6, D.C. regulated power supply 7 and computer terminal 8.
Wherein, testing jig 1 is electric with power attenuator 2, computer terminal 8, ammeter 6 and DC voltage-stabilizing respectively
Source 7 connects.RF Power Splitter 3 is connected with power attenuator 2, signal source 4 and audiofrequency spectrometer 5 respectively.Computer
Terminal 8 is connected with signal source 4, audiofrequency spectrometer 5 respectively by tandem signal line.Ammeter 6 is respectively with computer eventually
End 8, D.C. regulated power supply 7 connect.
In the present embodiment, high sensitivity arrowband transceiver is mainly quickly fixed by testing jig 1, and arranges
There are first serial 11, radio frequency interface 12 and power supply interface 13.Wherein, testing jig 1 respectively with power attenuation
Device 2, computer terminal 8, ammeter 6 and D.C. regulated power supply 7 connect, particularly as follows: first serial 11 with
The second serial 81 being arranged on computer terminal 8 connects；Radio frequency interface 12 is connected with power attenuator 2；Supply
Electrical interface 13 is connected with D.C. regulated power supply 7.First serial 11 is entered by serial ports cable with second serial 81
Row connects.
In the present embodiment, ammeter 6 is connected with computer terminal 8, particularly as follows: ammeter 6 passes through serial ports
Cable is connected with computer terminal 8.Ammeter 6 is high-precision current table.
In the present embodiment, power attenuator 2 is for protecting test instrunment, by high sensitivity arrowband
The power of transceiver output is decayed, it is ensured that will not damage test instrunment audiofrequency spectrometer and the signal source of high value.
RF Power Splitter 3 divides for receiving and transmitting signal is carried out merit, can complete transmitting-receiving detection work simultaneously.Signal source 4
For related data is modulated, and modulate relevant frequency, export to high sensitivity according to associated level
Arrowband transceiver.Audiofrequency spectrometer 5 measures for the CW signal exporting high sensitivity arrowband transceiver,
And judge its output.
In the present embodiment, testing jig 1, power attenuator 2, RF Power Splitter 3, signal source 4, frequency spectrum
RF cable is used to be attached between instrument 5.Before carrying out calibration, need to pass through vector network analyzer
Calibrate this cable, power attenuator 2 and the loss of RF Power Splitter 3, and compensate to audiofrequency spectrometer 5 and signal
Source 4；The level value guaranteeing performance number that audiofrequency spectrometer 5 tests and signal source 4 output is all the actual value after compensating.
In the present embodiment, tandem signal line is the switching letter between general purpose interface bus and USB (universal serial bus)
Number line.General purpose interface bus is called for short GPIB, and USB (universal serial bus) is called for short USB, and this tandem signal line is used for will
The receiving and transmitting signal of audiofrequency spectrometer 5 and signal source 4 passes to computer terminal 8.
In the present embodiment, ammeter 6 is for measuring high sensitivity arrowband transceiver electric current.DC voltage-stabilizing
Source 7 is used for providing rated voltage to high sensitivity arrowband transceiver.The supply lines of D.C. regulated power supply 7 uses
No. 12 lines, choose the line that internal resistance is little, can ensure that the accurate measurement of ammeter.
As a kind of citing of the present embodiment, seeing Fig. 2, Fig. 2 is the computer terminal that this utility model provides
A kind of structural representation of embodiment.As in figure 2 it is shown, this computer terminal includes control module 201, judgement mould
Block 202, memory module 203 and display module 204.Wherein, control module 201 respectively with judging module 202,
Memory module 203 and display module 204 connect.Control module 201 is used for by tandem signal line signal
Source 4 and audiofrequency spectrometer 5 are configured and data acquisition, particularly as follows: carry out frequency, the bandwidth of audiofrequency spectrometer 5
Arrange, and gather corresponding frequency performance number；To the frequency of signal source 4, data, modulation system, output work
Rate is configured.Control module 201 is additionally operable to be carried out high sensitivity arrowband transceiver by second serial 81
Control, such as tranmitting frequency, output level stepping；Receive frequency, receive valid data；Record transceiver shape
State and the number of writing etc..Control module 201 is additionally operable to high-precision current table 6 is carried out reading.
In this citing, judging module 202 is for the judgement precision setting to operating current, to power output
The judgement setting of precision, the test judgement setting to EBR.Wherein, if judgment condition setting is the tightest,
May result in percent of pass to reduce, can suitably adjust the ini file of preparation according to practical situation, adjust and sentence
Certainly precision.
In this citing, memory module 203 is for entering the high sensitivity arrowband transceiver successfully passing calibration
Row soft or hard version and SN write process and record the initial data of calibration in data base.Display module 204 is used
Calibration successful information, the unsuccessful information of calibration and obstructed out-of-date mistake in display high sensitivity arrowband transceiver
Index by mistake.
In order to better illustrate workflow of the present utility model, using the examples below as explanation.First,
High sensitivity arrowband transceiver is installed on testing jig 1, connects D.C. regulated power supply 7.Testing staff controls
Computer terminal 8 starts labview software, enters Self-checking state.At this moment, computer terminal 8 is to highly sensitive
Degree arrowband transceiver sends signal so that it is respectively enter standby, receive, transmission state, by ammeter 6
Gather corresponding current indication, it is judged that operating current is the most normal.If abnormal, then computer terminal 8 shows
Show that calibration is unsuccessful, and show related data.If prompting is normal, then enters and receive test process.
When receiving test process, signal source 4 is controlled by computer terminal 8 by tandem signal line, respectively
Initial data is set, operating frequency is set, modulation system is set and output level is set, then by high sensitivity
Arrowband transceiver is set to reception state.Computer terminal 8 obtains under this level, and high sensitivity arrowband is received and dispatched
The initial data of device demodulation process, and it is contrasted with the initial data of signal source 4, it is judged that its EBR
Whether meet requirement, respectively to 220Mhz, 230MHz, 240MHz, 410MHz, 440MHz, 470MHz
(arranging different test frequencies also dependent on actual demand) is configured and judges.If receiving judgement not
Qualified, then prompting calibration in computer terminal is unsuccessful, and provides relevant number of non-compliances evidence；If receiving judgement to close
Lattice, then enter and launch test.
When launching test process, high sensitivity arrowband transceiver is configured to emission state by computer terminal 8, and
Output frequency, output and CW output signal are set.Then audiofrequency spectrometer 5 is set by computer terminal 8
Putting, it is judged that under current state, the output of high sensitivity arrowband transceiver is the most consistent with arrange,
If it is not, then be adjusted by audiofrequency spectrometer 5, ultimately form 220～240MHz, 410～470MHz high
The transmitting table (output power value of 0.5W and 1W transceiver at different frequencies) that low-power is different, and should
Transmitting table is written in high sensitivity arrowband transceiver flash.If it is unsuccessful to launch calibration, point out,
And relevant unsuccessful data are provided；If it succeeds, software version, hardware version, SN etc. are write in the lump
In high sensitivity arrowband transceiver flash, it is provided that complete calibration, the information of pass.
Therefore, calibration device of the present utility model can improve the efficiency produced, by prior art close to 30
Minute calibration process, shorten to less than in 5 minutes, and whole process be by computer terminal control.Additionally
Professional knowledge to testing staff requires to be greatly reduced, it is not necessary to testing staff possesses the technological know-how of specialty
Just can operate easily and judge.Quantify and the mode of operation of soft decision finally, due to have employed,
Stop the erroneous judgement operation that artificial judgement causes, it is ensured that the concordance of Product Status.
The above is preferred implementation of the present utility model, it is noted that general for the art
For logical technical staff, on the premise of without departing from this utility model principle, it is also possible to make some improvement and
Retouching, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (4)
1. the calibration device of a high sensitivity arrowband transceiver, it is characterised in that including: testing jig, merit
Rate attenuator, RF Power Splitter, signal source, audiofrequency spectrometer, ammeter, D.C. regulated power supply and computer terminal；
Wherein, described testing jig respectively with described power attenuator, described computer terminal, described ammeter and
Described D.C. regulated power supply connects；
Described RF Power Splitter is connected with described power attenuator, described signal source and described audiofrequency spectrometer respectively；
Described computer terminal is connected with described signal source, described audiofrequency spectrometer respectively by tandem signal line；
Described ammeter is connected with described computer terminal, described D.C. regulated power supply respectively.
The calibration device of high sensitivity arrowband the most according to claim 1 transceiver, it is characterised in that
Described testing jig is provided with first serial, radio frequency interface and power supply interface；
Described testing jig respectively with described power attenuator, described computer terminal, described ammeter and described directly
Stream regulated power supply connects, particularly as follows:
Described first serial is connected with the second serial being arranged on described computer terminal；
Described radio frequency interface is connected with described power attenuator；
Described power supply interface is connected with described D.C. regulated power supply.
The calibration device of high sensitivity arrowband the most according to claim 2 transceiver, it is characterised in that
Described ammeter is connected with described computer terminal, particularly as follows:
Described ammeter is connected with described computer terminal by serial ports cable.
The calibration device of high sensitivity arrowband the most according to claim 1 transceiver, it is characterised in that
Described tandem signal line is the tandem signal line between general purpose interface bus and USB (universal serial bus).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217469.5U CN205490565U (en) | 2016-03-21 | 2016-03-21 | High sensitivity narrowband transceiver examine school device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620217469.5U CN205490565U (en) | 2016-03-21 | 2016-03-21 | High sensitivity narrowband transceiver examine school device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205490565U true CN205490565U (en) | 2016-08-17 |
Family
ID=56655147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620217469.5U Expired - Fee Related CN205490565U (en) | 2016-03-21 | 2016-03-21 | High sensitivity narrowband transceiver examine school device |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230662A (en) * | 2017-12-28 | 2018-06-29 | 东本电气科技(苏州)有限公司 | Wireless telemetering gas-meter wiring board wireless performance detection device |
-
2016
- 2016-03-21 CN CN201620217469.5U patent/CN205490565U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230662A (en) * | 2017-12-28 | 2018-06-29 | 东本电气科技(苏州)有限公司 | Wireless telemetering gas-meter wiring board wireless performance detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGZHOU GEOELECTRON Co.,Ltd. Assignor: Zhao Xiang Contract record no.: 2017440000081 Denomination of utility model: High sensitivity narrowband transceiver examine school device Granted publication date: 20160817 License type: Exclusive License Record date: 20170413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |