CN109884552A - Power supply test method and system - Google Patents
Power supply test method and system Download PDFInfo
- Publication number
- CN109884552A CN109884552A CN201910213253.XA CN201910213253A CN109884552A CN 109884552 A CN109884552 A CN 109884552A CN 201910213253 A CN201910213253 A CN 201910213253A CN 109884552 A CN109884552 A CN 109884552A
- Authority
- CN
- China
- Prior art keywords
- connector
- oscillograph
- power module
- electric power
- miniature
- 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.)
- Pending
Links
- 238000010998 test method Methods 0.000 title claims description 8
- 238000012360 testing method Methods 0.000 claims abstract description 64
- 238000010586 diagram Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 23
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 8
- 238000012795 verification Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The present invention provides a kind of power detecting systems, comprising: awaiting board card, test fixture and oscillograph；The first connector and multiple power modules to be tested are provided in awaiting board card, multiple power modules are connected with the first connector respectively；The second connector and multiple sub-miniature A connectors are provided in test fixture, one end of each sub-miniature A connector is connected with second connector, and the other end is connected with the oscillograph；First connector is connected with the second connector；The electric power detecting signal of each power module is sent to the second connector in the test fixture by board to be tested by first connector, and be transmitted in oscillograph via the sub-miniature A connector corresponding with the power module, it is shown by waveform diagram of the oscillograph to the electric power detecting signal；By applying power detecting system provided by the invention, can interference to avoid the external world to electric power detecting signal, ensure that the integrality of electric power detecting signal transmission, to improve the accuracy of the electric power detecting signal received.
Description
Technical field
The present invention relates to the field of test technology, in particular to a kind of power supply test method and system.
Background technique
Power module can be used as power supply unit applied to integrated circuit, digital signal processor, microprocessor, scene
In the hardware designs such as programmable gate array；And in the hardware design of server system, power module can be server system
Module on each board in system provides power supply, and whether the power supply that power module provides is stable, if meets preset need
It asks, all directly affects the realization of modules normal function on board, it is therefore desirable to each power supply in server system
Module carries out test verification.
Existing test verification method is to survey to carry out test verifying by point by test probe, studies and sends out by inventor
Existing, by using existing test verification method, the power supply signal tested is vulnerable to extraneous interference, and when surveying
Signal transmission is unstable, and the accuracy so as to cause test power supply signal reduces.
Summary of the invention
In view of this, the embodiment of the present invention provides, a kind of power detecting system can be in designed board to be tested
Power module is tested, thus learn whether the power module in board to be tested is normal, it is provided by the invention by application
Power detecting system effectively raises the accuracy to power module test.
The present invention also provides a kind of power supply test methods, to support the specific implementation of above-mentioned power detecting system.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of power detecting system, comprising:
Awaiting board card, test fixture and oscillograph；
The first connector and multiple power modules to be tested are provided in the awaiting board card, it is the multiple to be tested
Power module is connected with first connector respectively；
The second connector and multiple sub-miniature A connectors, one end of each sub-miniature A connector and institute are provided in the test fixture
It states the second connector to be connected, the other end is connected with the oscillograph；
First connector is connected with second connector；
The electric power detecting signal of each power module is sent to institute by first connector by the board to be tested
The second connector in test fixture is stated, and is transmitted in the oscillograph via the sub-miniature A connector corresponding with the power module, by
The oscillograph shows the waveform diagram of the electric power detecting signal.
In above system, optionally, comprising:
The electric power detecting signal of power module cabling in the form of positive and negative differential pair is connected in first connector.
In above system, optionally, comprising:
The multiple power module to be tested and the multiple sub-miniature A connector correspond.
In above system, optionally, comprising:
First connector is connected with second connector by high-speed cable.
A kind of power supply test method, comprising:
The method is applied in power detecting system, the power detecting system, comprising: awaiting board card, test fixture
And oscillograph；The first connector and multiple power modules to be tested are provided in the awaiting board card, it is the multiple to be tested
Power module be connected respectively with first connector；The second connector and multiple SMA are provided in the test fixture
Connector, one end of each sub-miniature A connector are connected with second connector, and the other end is connected with the oscillograph；Institute
The method of stating includes:
When testing each power module in awaiting board card, power supply corresponding to each power module is detectd
Survey signal, the second connector in the test fixture be sent to by first connector, and via with the power module
Corresponding sub-miniature A connector is transmitted in the oscillograph, is shown by waveform diagram of the oscillograph to the electric power detecting signal；
Judge whether the waveform diagram of the electric power detecting signal matches with preset reference waveform figure；
Upon a match, determine that the corresponding power module of the electric power detecting signal is normal.
Compared with prior art, the present invention includes the following advantages:
The present invention provides a kind of power detecting systems, comprising: awaiting board card, test fixture and oscillograph；It is described to be measured
Be provided with the first connector and multiple power modules to be tested in board, the multiple power module to be tested respectively with institute
The first connector is stated to be connected；The second connector and multiple sub-miniature A connectors are provided in the test fixture, each SMA connects
One end of head is connected with second connector, and the other end is connected with the oscillograph；First connector with it is described
Second connector is connected；The electric power detecting signal of each power module is passed through first connector by the board to be tested
The second connector being sent in the test fixture, and described show is transmitted to via the sub-miniature A connector corresponding with the power module
In wave device, shown by waveform diagram of the oscillograph to the electric power detecting signal；By applying power supply provided by the invention
Test macro, can interference to avoid the external world to electric power detecting signal, to improve the accuracy of test electric power detecting signal.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of power detecting system provided in an embodiment of the present invention；
Fig. 2 is another schematic diagram of structure of power detecting system provided in an embodiment of the present invention；
Fig. 3 is the flow chart of power supply test method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In this application, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion,
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not having
The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having
There is the element limited in the case where more limiting by sentence "including a ...", it is not excluded that in the mistake including the element
There is also other identical elements in journey, method, article or equipment.
The present invention can should in numerous integrated circuits form hardware design in.Such as: digital signal processor, micro process
It is applied in the board with power module of the hardware designs such as device, field programmable gate array, including in various hardware designs
The board of power module.
The embodiment of the invention provides a kind of power detecting system, which can be applied to the hardware plate with power module
In card, in power detecting system provided by the invention, by according to the preset mode of connection, by each power supply and connector phase
Connection, then board is connected with test fixture, the electric power detecting signal of power module is transmitted to by oscillography by test fixture
Device carries out showing corresponding waveform diagram, to realize test to the power module in board, the power detecting system it is specific
Structural schematic diagram is as shown in Figure 1, specifically include:
Awaiting board card 10, test fixture 20 and oscillograph 30；
Be provided with the first connector 102 and multiple power modules 101 to be tested in the awaiting board card, it is the multiple to
The power module of test is connected with first connector respectively；
It is provided with the second connector 201 and multiple sub-miniature A connectors 202 in the test fixture, the one of each sub-miniature A connector
End is connected with second connector, and the other end is connected with the oscillograph；
First connector is connected with second connector；
The electric power detecting signal of each power module is sent to institute by first connector by the board to be tested
The second connector in test fixture is stated, and is transmitted in the oscillograph via the sub-miniature A connector corresponding with the power module, by
The oscillograph shows the waveform diagram of the electric power detecting signal.
In power detecting system provided in an embodiment of the present invention, including awaiting board card, test fixture and oscillograph, it is described to
Drafting board card can be the hardware board with power module in various systems, and this awaiting board card is provided with the first connection
Device, first connector can be high speed connector；Each power supply in the awaiting board card is according to pre-set wiring
Rule is connected with one end of first connector；Each power module in the awaiting board card can be same type
Power module, be also possible to the power module of different types；
The second connector and multiple sub-miniature A connectors are provided in the test fixture, it should be noted that described second connects
Connecing device and first connector is same type of connector, and second connector can be high speed connector；Described
The other end of a connector is connected with one end of second connector, to make the awaiting board card and the test fixture
It is connected；One end of the other end of the second connector in the test fixture and each sub-miniature A connector is according to presetting
The mode of connection be connected, the electric power detecting signal of power module is transmitted to by oscillograph by the other end of the sub-miniature A connector,
To show corresponding power supply signal waveform diagram on the oscillograph；It should be noted that the number of the oscillograph can be
Individually, it is also possible to multiple；When to the electric power detecting signal of oscillograph input power module, corresponding waveform is shown
Figure can effectively reduce extraneous interference, raising detects by applying power detection system provided in an embodiment of the present invention
Electric power detecting signal accuracy.
It should be noted that being said to the wiring rule of each power module and the first connector in the awaiting board card
The mode of connection that the second connector being arranged in bright and test fixture is connected with the sub-miniature A connector is illustrated, specifically such as
Shown in Fig. 2, particular content is as described below:
Including awaiting board card 21, multiple power modules 211 and the first connector 212 are set in awaiting board card；Test is controlled
Have 22, second connector 221, multiple sub-miniature A connectors 222 are set in test fixture 22；Connect awaiting board card and test fixture
High-speed cable 24；Oscillograph 23；
Multiple power modules are provided in awaiting board card, the power module, which can be, to be set in advance in awaiting board card
, it is also possible to the position that power module to be tested will be needed to be inserted in the power module that the awaiting board card reserves in advance in design
It sets；The power module is connected with the first connector being arranged in awaiting board card according to the pre-set mode of connection
It connects, the pre-set mode of connection can be for by each power module, cabling is connected to first in the form of positive and negative differential pair
Connector, for the electric power detecting signal of corresponding power module to be transmitted to the first connection in the form of positive and negative differential pair
Device；There are multiple wire interfaces in first connector, for connecting the conducting wire being connected with each power module.
It should be noted that the form of the positive and negative differential pair is specific as shown in Fig. 2, power module 1 is led by what is connected
Line is transmitting electric power detecting signal 1_ just to the first connector and electric power detecting signal 1_ is negative；Power module 2 is led by what is connected
Line is transmitting electric power detecting signal 2_ respectively just to the first connector and electric power detecting signal 2_ is negative；Other power modules are logical
It crosses conducting wire and transmits one positive one negative electric power detecting signal to the first connector, power supply is carried out in the form of forming positive and negative differential pair and is detectd
Survey the transmission of signal.
It should be noted that can be connected directly between the awaiting board card and the test fixture, can also pass through
High speed cable is attached, it should be noted that when the awaiting board card and the test fixture are attached by connector,
Each interface of first connector and the corresponding connection one by one of each interface of second connector, are used for transmission power supply
Detection signal；
When first connector is connected with second connector by high-speed cable, the two of the high-speed cable
End, is connected with the first connector, the second connector, the high-speed cable is made of a plurality of conducting wire, the high-speed cable respectively
It connects one to one respectively with each port in the first connector, the second connector, it, can when being attached by high-speed cable
To improve flexibility when connecting between the awaiting board card and the test fixture.
The second connector and multiple sub-miniature A connectors of the test fixture setting are connected by the preset mode of connection,
The electric power detecting signal received is transmitted to the sub-miniature A connector for the second connector, the electric power detecting signal received is just
What the form of negative differential pair received, specifically as shown in Fig. 2, sub-miniature A connector 1 receives the electric power detecting signal 1_ of power module 1
Just and electric power detecting signal 1_ is negative, and sub-miniature A connector 2 is receiving the electric power detecting signal 2_ of power module 2 just and electric power detecting
Signal 2_ is negative；It should be noted that a sub-miniature A connector receives and transmits the electric power detecting signal an of power module, the SMA
Connector 1 also can receive the electric power detecting signal of power module 2, this depends on the mode of connection of the second connector and sub-miniature A connector.
Sub-miniature A connector is connected with oscillograph using conducting wire, so that the electric power detecting of oscilloscope display corresponding power module
The signal waveforms of signal；It should be noted that test fixture when being connected with oscillograph, can connect multiple oscillographs,
So that the waveform diagram of the electric power detecting signal of power module all in awaiting board card is opened up on different oscillographs simultaneously
Show；Multiple electric power detectings can also be signally attached in an oscillograph, this depends on the number of ports of oscillograph.
In power detecting system provided in an embodiment of the present invention, by increasing a connector at the initial stage of design board,
Later period can be attached by connector and test fixture, so that the rapid deployment of the power module in test board is realized,
The efficiency of the work of test is improved, and by carrying out using test fixture to each power module in the awaiting board card
Test, effectively avoids interference of the extraneous factor to electric power detecting signal, improves the electric power detecting signal that test obtains
Accuracy.
It is corresponding with above-mentioned power detecting system, the embodiment of the invention also provides a kind of power supply test method, with
In above-mentioned power detecting system, power module is tested, the method flow diagram of the method is as shown in figure 3, it is specific
Process it is as described below:
It should be noted that the power detecting system, comprising: awaiting board card, test fixture and oscillograph；It is described to be measured
Be provided with the first connector and multiple power modules to be tested in board, the multiple power module to be tested respectively with institute
The first connector is stated to be connected；The second connector and multiple sub-miniature A connectors are provided in the test fixture, each SMA connects
One end of head is connected with second connector, and the other end is connected with the oscillograph；Specific method side's process is such as
It is lower described:
S301: when testing each power module in awaiting board card, each power module is corresponding
Electric power detecting signal is sent to the second connector in the test fixture by first connector, and via with the electricity
The corresponding sub-miniature A connector of source module is transmitted in the oscillograph, by the oscillograph to the waveform diagram of the electric power detecting signal into
Row display；
S302: judge whether the waveform diagram of the electric power detecting signal matches with preset reference waveform figure；
S303: upon a match, determine that the corresponding power module of the electric power detecting signal is normal.
In method provided in an embodiment of the present invention, multiple power modules and the first company are provided in the awaiting board card
Device is connect, the second connector and multiple sub-miniature A connectors, the awaiting board card and the test fixture are provided in the test fixture
It is connected, connection type can be attached by high-speed cable, can also be directly attached by connector, described to be measured
The each power module being arranged in board connector by electric power detecting signal in the form of positive and negative differential pair via corresponding
Sub-miniature A connector is transmitted in oscillograph, and the electric power detecting signal of corresponding power module is shown on oscillograph, by aobvious
The electric power detecting signal waveforms shown are matched with preset reference waveform figure, when matching consistent, are then detectd with the power supply
It is normal to survey the corresponding power module of signal, that is, meets preset requirement.
In method provided in an embodiment of the present invention, sub-miniature A connector is provided in the test fixture, the sub-miniature A connector is being believed
When number being transmitted, can the integrality of guarantee electric power detecting signal of high degree can by applying system provided by the invention
To reduce the interference of outer bound pair electric power detecting signal, it is ensured that the integrality of electric power detecting signal improves the power supply mould of test
The accuracy of the electric power detecting signal of block.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.System and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of power detecting system characterized by comprising
Awaiting board card, test fixture and oscillograph；
The first connector and multiple power modules to be tested, the multiple power supply to be tested are provided in the awaiting board card
Module is connected with first connector respectively；
It is provided with the second connector and multiple sub-miniature A connectors in the test fixture, one end of each sub-miniature A connector and described the
Two connectors are connected, and the other end is connected with the oscillograph；
First connector is connected with second connector；
The electric power detecting signal of each power module is sent to the survey by first connector by the board to be tested
The second connector in jig is tried, and is transmitted in the oscillograph via the sub-miniature A connector corresponding with the power module, by described
Oscillograph shows the waveform diagram of the electric power detecting signal.
2. system according to claim 1, which is characterized in that the electric power detecting signal of the power module is with positive and negative difference
Form cabling is connected in first connector.
3. system according to claim 1, which is characterized in that the multiple power module to be tested with it is the multiple
Sub-miniature A connector corresponds.
4. system according to claim 1, which is characterized in that first connector and second connector pass through height
Fast cable is connected.
5. a kind of power supply test method, which is characterized in that the method is applied in power detecting system, the power supply test system
System, comprising: awaiting board card, test fixture and oscillograph；The first connector and multiple to be tested is provided in the awaiting board card
Power module, the multiple power module to be tested is connected with first connector respectively；In the test fixture
It is provided with the second connector and multiple sub-miniature A connectors, one end of each sub-miniature A connector is connected with second connector, separately
One end is connected with the oscillograph；The described method includes:
When testing each power module in awaiting board card, electric power detecting corresponding to each power module is believed
Number, the second connector in the test fixture is sent to by first connector, and via corresponding with the power module
Sub-miniature A connector be transmitted in the oscillograph, shown by waveform diagram of the oscillograph to the electric power detecting signal；
Judge whether the waveform diagram of the electric power detecting signal matches with preset reference waveform figure；
Upon a match, determine that the corresponding power module of the electric power detecting signal is normal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213253.XA CN109884552A (en) | 2019-03-20 | 2019-03-20 | Power supply test method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213253.XA CN109884552A (en) | 2019-03-20 | 2019-03-20 | Power supply test method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109884552A true CN109884552A (en) | 2019-06-14 |
Family
ID=66933258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910213253.XA Pending CN109884552A (en) | 2019-03-20 | 2019-03-20 | Power supply test method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109884552A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433074A (en) * | 2020-11-20 | 2021-03-02 | 苏州浪潮智能科技有限公司 | Multifunctional connecting device of oscilloscope and connecting method thereof |
| CN113030526A (en) * | 2021-03-18 | 2021-06-25 | 长江存储科技有限责任公司 | Test switching device and test system |
| CN113640696A (en) * | 2021-06-30 | 2021-11-12 | 苏州浪潮智能科技有限公司 | Automatic plug test system of server PSU |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672900A (en) * | 2008-09-09 | 2010-03-17 | 光宝科技股份有限公司 | Power supply device and method for testing power supply array |
| CN101806869A (en) * | 2010-03-22 | 2010-08-18 | 株洲南车时代电气股份有限公司 | General-purpose automatic test system for locomotive switching power supply and method thereof |
| JP2016090426A (en) * | 2014-11-06 | 2016-05-23 | コニカミノルタ株式会社 | Electronic apparatus, deterioration estimation system for built-in power source, and deterioration estimation method for built-in power source |
| CN106291065A (en) * | 2016-10-17 | 2017-01-04 | 成都前锋电子仪器有限责任公司 | A kind of voltage sample circuit |
| CN106546777A (en) * | 2016-11-04 | 2017-03-29 | 郑州云海信息技术有限公司 | A kind of 10G ethernet signal measurement jigs based on RJ45 interfaces |
| CN106908742A (en) * | 2015-12-18 | 2017-06-30 | 技嘉科技股份有限公司 | Power supply testing device and method |
| CN108089955A (en) * | 2017-11-30 | 2018-05-29 | 郑州云海信息技术有限公司 | A kind of PCIE signal measurement jig and test method based on OCuLink interfaces |
| CN108802630A (en) * | 2018-05-29 | 2018-11-13 | 大山科技有限公司 | A kind of initiative alarming circuit of bus power source |
-
2019
- 2019-03-20 CN CN201910213253.XA patent/CN109884552A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672900A (en) * | 2008-09-09 | 2010-03-17 | 光宝科技股份有限公司 | Power supply device and method for testing power supply array |
| CN101806869A (en) * | 2010-03-22 | 2010-08-18 | 株洲南车时代电气股份有限公司 | General-purpose automatic test system for locomotive switching power supply and method thereof |
| JP2016090426A (en) * | 2014-11-06 | 2016-05-23 | コニカミノルタ株式会社 | Electronic apparatus, deterioration estimation system for built-in power source, and deterioration estimation method for built-in power source |
| CN106908742A (en) * | 2015-12-18 | 2017-06-30 | 技嘉科技股份有限公司 | Power supply testing device and method |
| CN106291065A (en) * | 2016-10-17 | 2017-01-04 | 成都前锋电子仪器有限责任公司 | A kind of voltage sample circuit |
| CN106546777A (en) * | 2016-11-04 | 2017-03-29 | 郑州云海信息技术有限公司 | A kind of 10G ethernet signal measurement jigs based on RJ45 interfaces |
| CN108089955A (en) * | 2017-11-30 | 2018-05-29 | 郑州云海信息技术有限公司 | A kind of PCIE signal measurement jig and test method based on OCuLink interfaces |
| CN108802630A (en) * | 2018-05-29 | 2018-11-13 | 大山科技有限公司 | A kind of initiative alarming circuit of bus power source |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112433074A (en) * | 2020-11-20 | 2021-03-02 | 苏州浪潮智能科技有限公司 | Multifunctional connecting device of oscilloscope and connecting method thereof |
| CN112433074B (en) * | 2020-11-20 | 2022-11-29 | 苏州浪潮智能科技有限公司 | Multifunctional connecting device of oscilloscope and connecting method thereof |
| CN113030526A (en) * | 2021-03-18 | 2021-06-25 | 长江存储科技有限责任公司 | Test switching device and test system |
| CN113030526B (en) * | 2021-03-18 | 2022-03-11 | 长江存储科技有限责任公司 | Test switching device and test system |
| CN113640696A (en) * | 2021-06-30 | 2021-11-12 | 苏州浪潮智能科技有限公司 | Automatic plug test system of server PSU |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109884552A (en) | Power supply test method and system | |
| CN101634962B (en) | PCI interface test card | |
| CN109946590A (en) | A kind of board interconnecting device and test macro | |
| CN113128148B (en) | Trigger signal synchronization system and method based on delay chain and semiconductor test equipment | |
| CN110515788A (en) | A kind of test device of data-interface | |
| CN108255652B (en) | Signal testing device | |
| US7523007B2 (en) | Calibration device | |
| CN103200044A (en) | Backplane test system and method for verifying quality of 100G backplane interconnected signals | |
| CN108027790A (en) | Universal Serial Bus is utilized for data-signal（USB）Pin in C type connector | |
| CN109828872A (en) | Signal-testing apparatus and method | |
| CN105975691A (en) | Method and device for SPI (Serial Peripheral Interface) to automatically regulating sampling phase position | |
| CN110609183A (en) | IVI technology-based identification module and automatic test system of complete machine | |
| CN102298130A (en) | Calibrating device for oscilloscope probe | |
| CN102411528A (en) | MXM (Mobile PCI-Express Module)-interface testing-connecting card and testing system provided with same | |
| US20060132119A1 (en) | Configurable test interface device | |
| CN109493776A (en) | A kind of display panel test fixture and its test method | |
| CN110850128A (en) | On-site automatic test system bus for marine instrument | |
| CN2577288Y (en) | Electric signal testing device | |
| EP0227312B1 (en) | Retargetable buffer probe | |
| CN211878149U (en) | Portable aircraft complete machine cable conduction testing device | |
| CN104280639B (en) | Test device and method of high-speed video bus connectors | |
| CN208352559U (en) | A kind of test winding displacement | |
| CN109870640A (en) | A kind of USB interface class chip detecting method based on ATE | |
| CN109840170B (en) | PCIE signal measuring circuit | |
| CN112162187A (en) | Signal test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190614 |