CN209710100U - 5G millimeter wave terminal test device - Google Patents
5G millimeter wave terminal test device Download PDFInfo
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- CN209710100U CN209710100U CN201921145996.XU CN201921145996U CN209710100U CN 209710100 U CN209710100 U CN 209710100U CN 201921145996 U CN201921145996 U CN 201921145996U CN 209710100 U CN209710100 U CN 209710100U
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- turntable
- case body
- shielding case
- millimeter wave
- test
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Abstract
The utility model relates to a kind of 5G millimeter wave terminal test device, described device includes: shielding case body, for shielding the electromagnetic wave inside and outside shielding case body；The inner wall of shielding case body is covered with absorbing material, for electromagnetic wave absorption to form the not no environment of reflection of electromagnetic wave substantially inside the shielding case body；The inner wall of the shielding case body is arranged in multiple test antennas with different directions, and the multiple test antenna is for receiving or sending 5G millimeter-wave signal；Turntable, is set to the inner wall of the shielding case body, and the turntable can carry out in any direction 360 ° of rotations in the shielding case body；Fixing piece, setting on the turntable, are used for 5G millimeter wave terminal to be measured is fixed on the turntable.The utility model proposes 5G millimeter wave terminal test device have the characteristics that design is simple, small in size, at low cost, and easy to operate be easy to be tested.
Description
Technical field
The utility model relates to wireless terminal testing field more particularly to a kind of 5G millimeter wave terminal test devices.
Background technique
Wireless communication technique is to carry out information transmitting and friendship by way of aerial (non-wired) between two o'clock or multiple spot
The technology changed, as with fastest developing speed, most widely used technology in the information communications field, wireless communication mainly utilizes electromagnetism wave energy
Enough characteristics propagated in free space.Therefore, antenna is as sending and receiving wireless communication information carrier --- electromagnetic wave
Core component, performance quality directly determine the ability that wireless terminal realizes communication.In order to ensure the antenna of wireless terminal is penetrated
Frequency performance needs to test the antenna of wireless terminal.The relevant technologies generally use microwave dark room (Anechoic
Chamber radio-frequency performance measurement) is carried out, however, microwave dark room is bulky, involves great expense, design is complicated, operates energy to personnel
Force request is high.
Utility model content
Technical problem
In view of this, the technical problems to be solved in the utility model is, microwave dark room is bulky, involves great expense, design
It is complicated, high to the requirement of personnel's operational capacity.
Solution
In order to solve the above-mentioned technical problem, an embodiment according to the present utility model provides a kind of 5G millimeter wave terminal
Test device, described device include:
Shielding case body, for shielding the electromagnetic wave inside and outside the shielding case body；
The inner wall of the shielding case body is covered with absorbing material, for electromagnetic wave absorption with the shape inside the shielding case body
At the not no environment of reflection of electromagnetic wave substantially；
The inner wall of the shielding case body, the multiple test antenna is arranged in multiple test antennas with different directions
For receiving or sending 5G millimeter-wave signal；
Turntable, is set to the inner wall of the shielding case body, and the turntable can be in the shielding case body in any direction
Carry out 360 ° of rotations；
Fixing piece, setting on the turntable, are used for 5G millimeter wave terminal to be measured is fixed on the turntable.
For above-mentioned apparatus, in one possible implementation, be additionally provided with locating module on the turntable, for pair
The central point of each test antenna and the central point of turntable are positioned, so that it is determined that the central point and turntable of each test antenna
Central point relative position.
For above-mentioned apparatus, in one possible implementation, the turntable includes:
Direction regulating member, for turntable to be adjusted to target direction according to the direction control signal of input.
For above-mentioned apparatus, in one possible implementation, the turntable includes:
Driving part, for driving the turntable to rotate.
For above-mentioned apparatus, in one possible implementation, the turntable further include:
Speed regulating unit is connected to the driving part, for turning according to the adjustment of the speed control signal of input is described
The velocity of rotation of platform.
For above-mentioned apparatus, in one possible implementation, the fixing piece is made of a foam material, the suction wave
Material is to inhale wave foam.
For above-mentioned apparatus, in one possible implementation, the shielding case body is cuboid, the shielding case body
Length be greater than 110cm.
For above-mentioned apparatus, in one possible implementation, the distance between the turntable and each test antenna
Meet following condition:
R>2*D2/ λ, wherein R indicates the distance between the turntable and test antenna, and D indicates the 5G millimeter wave to be measured
The diameter of the antenna of terminal, λ indicate the wavelength of 5G millimeter-wave signal.
Beneficial effect
The utility model proposes 5G millimeter wave terminal test device, the antenna rf of 5G millimeter wave terminal may be implemented
Can test, also, compared to the relevant technologies using microwave dark room carry out antenna RF performance test, the utility model proposes 5G
Millimeter wave terminal test device has the characteristics that design is simple, small in size, at low cost, and easy to operate is easy to be tested.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the utility model will
It becomes apparent.
Detailed description of the invention
Comprising in the description and constitute the attached drawing of part of specification and specification to together illustrate this practical new
Exemplary embodiment, feature and the aspect of type, and for explaining the principles of the present invention.
Fig. 1 shows the schematic diagram of the 5G millimeter wave terminal test device according to one embodiment of the utility model.
Fig. 2 shows the schematic diagrames according to the 5G millimeter wave terminal test device of one embodiment of the utility model.
Specific embodiment
The various exemplary embodiments, feature and aspect of the utility model are described in detail below with reference to attached drawing.In attached drawing
Identical appended drawing reference indicates element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings,
It is unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, in order to better illustrate the utility model, given in specific embodiment below numerous specific
Details.It will be appreciated by those skilled in the art that without certain details, the utility model equally be can be implemented.In some realities
In example, method well known to those skilled in the art, means, element and circuit are not described in detail, in order to highlight this reality
With novel purport.
Referring to Fig. 1, Fig. 1 shows showing according to the 5G millimeter wave terminal test device of one embodiment of the utility model
It is intended to.
As shown in Figure 1, described device includes:
Shielding case body 10, for shielding the electromagnetic wave inside and outside the shielding case body 10；
The inner wall of the shielding case body 10 is covered with absorbing material 20, for electromagnetic wave absorption in the shielding case body
Portion forms the not no environment of reflection of electromagnetic wave substantially；
Multiple test antennas 30 with different directions, are arranged in the inner wall of the shielding case body 10, the multiple test
Antenna 30 is for receiving or sending 5G millimeter wave (millimeter wave) signal；
Turntable 40, is set to the inner wall of the shielding case body 10, and the turntable can be in the shielding case body 10 to appoint
360 ° of direction progress of anticipating rotates；
Fixing piece (not shown) is arranged on the turntable 40, is used for 5G millimeter wave terminal (DUT, Device to be measured
Under Test) it fixes on the turntable.
Wherein it is possible to 5G millimeter wave terminal to be measured is fixed on turntable according to preset direction, to be directed to the preset direction
It is tested, 5G millimeter wave terminal to be measured can also be fixed in any direction on turntable, by rotating table, to obtain
The target direction needed.
The utility model proposes 5G millimeter wave terminal test device, the antenna rf of 5G millimeter wave terminal may be implemented
Can test, also, compared to the relevant technologies using microwave dark room carry out antenna RF performance test, the utility model proposes 5G
Millimeter wave terminal test device has the characteristics that design is simple, small in size, at low cost, and easy to operate is easy to be tested.
5G millimeter wave terminal to be measured described in the utility model refers to the terminal using the 5th third-generation mobile communication technology.Eventually
End is also referred to as user equipment (user equipment, UE), mobile station (mobile station, MS), mobile terminal
(mobile terminal, MT) etc. is a kind of equipment for providing a user voice and/or data connectivity, for example, having nothing
Handheld device, mobile unit of line linkage function etc..Currently, the citing of some terminals are as follows: mobile phone (mobile phone) is put down
Plate computer, palm PC, mobile internet device (mobile internetdevice, MID), wearable is set laptop
It is standby, virtual reality (virtual reality, VR) equipment, augmented reality (augmentedreality, AR) equipment, industry control
Make wireless terminal, the wireless terminal in unmanned (selfdriving), long-range hand in (industrial control)
Wireless terminal in art (remote medical surgery), the wireless terminal in smart grid (smart grid), transport
Wireless terminal, the wireless terminal in smart city (smart city), wisdom in safety (transportation safety)
Wireless terminal, the wireless terminal in car networking etc. in family (smart home).
Absorbing material 20 is arranged by the inner wall in shielding case body 10 in the utility model, can be to avoid to 5G millimeter wave
Multipath effect is introduced in the test process of the antenna of terminal and causes test result inaccurate.
Multiple test antennas 30 in 5G millimeter wave terminal test device described in the utility model, each test antenna
30 all have stronger directionality, in this way, the device of the utility model can measure the day of the 5G millimeter wave terminal of fixed-direction
Beta radiation wave beam, in addition, the utility model has multiple test antennas 30 of different directions by setting, it is ensured that 5G millimeters
Radiation beam in wave terminal all directions can be measured to, to increase the accuracy of antenna RF performance test.
The setting position and direction of multiple test antennas 30 can need be arranged according to test, the utility model to this with no restriction.
Wherein, the 5G millimeter wave terminal can be used for receiving or issuing 5G millimeter-wave signal
Wherein, the direction of antenna can refer to the field strength direction of radiation field of aerial, usually greatest irradiation direction.
Wherein, the absorbing material electromagnetic wave absorption does not have reflection of electromagnetic wave to be formed inside the shielding case body substantially
Environment, can refer to the environment that absolutely not reflection of electromagnetic wave is formed inside the shielding case body, or in tested claimed range
The environment of the reflection of electromagnetic wave of interior (being similar to not have).
The utility model carries out 360 ° turns by being configured to turntable 40 in shielding case body 10 in any direction
It is dynamic, it can according to need the need direction to be tested of determining 5G millimeter wave terminal, and it is possible to meet the test in each direction,
To increase the accuracy of test.
It should be noted that can realize that turntable 40 carries out 360 ° of rotations in any direction, has it by the relevant technologies
Body implementation, the disclosure is without limitation.
In a kind of possible embodiment, the frequency of the 5G millimeter-wave signal can be located at n257, n258,
The frequency ranges such as n260 (specifically please refer to division of the tissue such as 3GPP to 5G NR frequency range).
Certainly, in other implementations, the specific frequency of 5G millimeter-wave signal can determines according to actual conditions, only
If can be used for the millimeter-wave signal of 5G.
In a kind of possible embodiment, the absorbing material 10 can be suction wave foam.Certainly, implement in others
In mode, absorbing material 10 can also be other.
In a kind of possible embodiment, as shown in Figure 1, multiple test antennas 30 can be set in shielding case body 10
The other side (the figure in the shielding case body 10 relative to multiple test antennas 30 can be set in side (being left side in figure), turntable 40
In be right side).
Certainly, the other positions of shielding case body can also be arranged in test antenna.
By the way that the setting of antenna 30 will be tested in multiple and different positions, test angle can be enriched, saves and finds antenna main lobe
The turntable posture time in maximum direction.
It should be noted that the size of test antenna 30 can be determines according to actual conditions, it should be appreciated that, different factories
The test antenna 30 of family's production has different sizes, in this regard, the utility model is without limitation.
Referring to Fig. 2, Fig. 2 shows showing according to the 5G millimeter wave terminal test device of the utility model one embodiment
It is intended to.
In a kind of possible embodiment, as shown in Fig. 2, its of shielding case body 10 can also be arranged in test antenna 30
His position, for example, the upside in Fig. 2.
For 5G millimeter wave terminal, the 5G millimeter wave antenna in 5G millimeter wave terminal would generally be integrated with front-end chip
Together, in a kind of possible embodiment, the corresponding front-end chip of tested 5G millimeter wave terminal can be placed on turntable
40 central points (that is, central point that 5G millimeter wave antenna is placed on to turntable 40), in this way, the survey that test can be made to obtain
Test result is more accurate.
In a kind of possible embodiment, the functions such as modulation /demodulation, filtering, amplification are may be implemented in the front-end chip.
In a kind of possible embodiment, the distance between the turntable 40 and each test antenna 30 can satisfy as
Lower condition:
R>2*D2/ λ, wherein R indicates the distance between the turntable and test antenna, and D indicates the 5G millimeter wave to be measured
The diameter of the antenna of terminal, λ indicate the wavelength of 5G millimeter-wave signal.
In this way, using the utility model proposes 5G millimeter wave terminal test device 5G millimeter wave terminal is tested
When, it can satisfy far field condition, to obtain more accurate measurement result.
In one example, available in the case that the diameter of the antenna of the 5G millimeter wave terminal to be measured is 2cm
The distance between turntable 40 and each test antenna 30 are about 75cm.
In a kind of possible embodiment, the shielding case body can be cuboid, whole in the 5G millimeter wave to be measured
In the case that the diameter of the antenna at end is 2cm, the length of the shielding case body, which can be greater than 110cm, (such as can be
120cm)。
It should be noted that the width and height of shielding case body 10 can be determined according to the size and actual needs of turntable,
In this regard, the utility model is without limitation.
Certainly, in other implementations, shielding case body 10 is also possible to other shapes, for example, can be square
Deng.
In a kind of possible embodiment, it is also provided with locating module (not shown) on the turntable 40, is used for
The central point of the central point and turntable 40 of each test antenna 30 is positioned, so that it is determined that the center of each test antenna 30
The relative position of point and the central point of turntable 40.The relative position can be used as the distance between above-mentioned turntable and test antenna R.
In one example, locating module can be positioned using traditional laser positioning.
By locating module, the utility model can determine it is each test antenna 30 and the central point of turntable 40 between away from
From, thus judge that each test antenna 30 no can meet far field condition with turntable 40, in the case where being unsatisfactory for far field condition, after
It is continuous that the position of turntable 40 is adjusted, so that meeting far field condition between each test antenna 30 and turntable 40.
In a kind of possible embodiment, the turntable may include:
Direction regulating member (not shown), for turntable 40 to be adjusted to target side according to the direction control signal of input
To.
In one example, direction regulating member can be realized using known program-controlled direction regulating member.
In a kind of possible embodiment, the direction control signal can be resolved to directioin parameter, and direction is adjusted
Turntable 40 can be adjusted to target direction according to directioin parameter by component.
In a kind of possible embodiment, the turntable 40 may include:
Driving part (not shown), for driving the turntable to rotate.
In a kind of possible embodiment, driving part may include motor, such as can be servo motor.
In a kind of possible embodiment, the driving part can be configured as to be rotated automatically according to pre-set velocity,
To drive 5G millimeter wave terminal to rotate automatically, in this way, the performance of 5G millimeter wave terminal different directions can be tested, and test is reduced
The operation of personnel.
Prior art can be used real it should be noted that configuration driven component carries out automatic rotation according to pre-set velocity
It is existing, in this regard, the utility model is without limitation.
The turntable 40 can be set on sliding block, is realized and is translated by sliding rail, to adjust turntable and test antenna
The distance between.
In a kind of possible embodiment, the turntable 40 can also include:
Speed regulating unit (not shown) is connected to the driving part, for the speed control signal tune according to input
The velocity of rotation of the whole turntable.
It should be noted that the speed regulating unit can be realized using existing program-controlled tool in the related technology, from
And driving part is controlled.
In a kind of possible embodiment, fixing piece may include fixture, can be by 5G millimeter wave terminal by fixture
It is fixed on turntable 40.
In a kind of possible embodiment, the fixing piece can be made of a foam material.
It should be noted that the utility model proposes 5G millimeter wave terminal test device in the materials of all parts be all
Lesser material is influenced on 5G millimeter-wave signal, setting in this way can reduce the influence to test, to improve test
As a result accuracy.
By 5G millimeter wave terminal test device described in the utility model, the antenna that 5G millimeter wave terminal may be implemented is penetrated
The quick test of frequency performance, also, since the design of 5G millimeter wave terminal test device described in the utility model is simple, operation
Simplicity can greatly simplify testing process.
5G millimeter wave terminal test device described in the utility model, can apply in producing line, quickly 5G millimeters of confirmation
The consistency of the antenna performance of wave terminal.
For example, the process of the antenna performance consistency of confirmation 5G millimeter wave terminal may include:
The a certain antenna array of the 5G millimeter wave terminal that the good performance of test optimization is met the requirements in non-standard millimeter wave darkroom is maximum
Associated radio frequency index (such as EIRP, EVM ...) in radiation, greatest irradiation are that wave beam forming circuit will be configured in main lobe maximum gain
State records and locks the configuration information of current beam figuration control circuit；
5G millimeter wave terminal is put under a upper circuit configuration (configuration information of the current beam figuration control circuit)
Enter in 5G millimeter wave terminal test device, by adjusting the placing attitude of 5G millimeter wave terminal and relative position on turntable 40, seeks
Revolving table position in the case of the maximum output for looking for test antenna that can receive (after wave beam forming, main lobe maximum direction), at this
In a step, the parameter configuration that needs to keep to test with darkroom in lower 5G millimeter wave terminal (such as control antenna beam radiation side
To relevant parameter etc.) it is consistent；
Using the antenna associated radio frequency index of 5G millimeter wave terminal test device test 5G millimeter wave terminal, correlative measurement is recorded
Test result, and the test result is defined as testing standard reference value；
Continue other 5G millimeter wave terminals of test like products, needs to keep test posture and relevant parameter in test process
Configure, record test result consistent with preceding step；
It by test result graphical treatment, is compared with testing standard reference value, it is whole to reject problematic 5G millimeter wave
End (can be put into standard darkroom with the model machine of different test values to measure, according to relevant criterion, constrain corresponding reference value area
Between, wherein relevant criterion refers to the OTA test index of the organization prescribeds such as qualification organization and 3GPP, the index measured with standard darkroom
Lower limit value is placed into present case and is tested, and gained measured value is demarcated as minimum measured value).
The consistency that 5G millimeter wave terminal antenna performance can be quickly confirmed by above step, can also test other moulds
Block and structural member (such as may include a series of hardware components for influencing radiation of screen, rear shell, keyboard, earpiece etc.) assembly one
Cause property, testing cost high the defects of long so as to avoid the testing time in non-standard millimeter wave darkroom.
By the utility model proposes 5G millimeter wave terminal test device, can research staff quickly be tested
Positioning analysis problem.
Its specific steps includes:
The associated radio frequency parameter index under a certain fixed configurations parameter of 5G millimeter wave terminal is tested in non-standard millimeter wave darkroom,
Whether exact p-value result meets relevant criterion, meets the requirements if not satisfied, continuing to distribute parameter to test index rationally；
This terminal is put into 5G millimeter wave terminal test device.Terminal configuration parameters are kept with parameter when distributing rationally
Unanimously, associated radio frequency index (such as Power, evm etc.) is tested, and compares and record with test result in darkroom, for example,
(maximum main lobe direction is in standard darkroom and 5G millimeter wave terminal test device for index of correlation under synchronous contrast maximum main lobe gain
In measured value comparison).
Research staff can carry out fast correlation using the above results as reference data in 5G millimeter wave terminal test device
Test, synchronizes more 5G millimeter wave terminal test devices and optimizes different configuration parameters, to reach in the standard of utilization milli
Analyzing and positioning problem equivalent effect in metric wave darkroom shortens the time, save the cost.
As it can be seen that using the utility model proposes 5G millimeter wave terminal test device, can be quick and precisely to 5G millimeter wave
Test terminal is tested, and effect is equal to non-standard millimeter wave darkroom, and is compared to and is tested using darkroom, utilizes this
The 5G millimeter wave terminal test device progress antenna RF performance test of utility model is easier, can save time, cost.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (8)
1. a kind of 5G millimeter wave terminal test device, which is characterized in that described device includes:
Shielding case body, for shielding the electromagnetic wave inside and outside the shielding case body；
The inner wall of the shielding case body is covered with absorbing material, for electromagnetic wave absorption to form base inside the shielding case body
The environment of this not no reflection of electromagnetic wave；
Multiple test antennas with different directions, are arranged in the inner wall of the shielding case body, and the multiple test antenna is used for
Receive or send 5G millimeter-wave signal；
Turntable, is set to the inner wall of the shielding case body, and the turntable can carry out in any direction in the shielding case body
360 ° of rotations；
Fixing piece, setting on the turntable, are used for 5G millimeter wave terminal to be measured is fixed on the turntable.
2. the apparatus according to claim 1, which is characterized in that locating module is additionally provided on the turntable, for every
The central point and the central point of turntable of a test antenna are positioned, so that it is determined that the central point of each test antenna and turntable
The relative position of central point.
3. the apparatus according to claim 1, which is characterized in that the turntable includes:
Direction regulating member, for turntable to be adjusted to target direction according to the direction control signal of input.
4. the apparatus according to claim 1, which is characterized in that the turntable includes:
Driving part, for driving the turntable to rotate.
5. device according to claim 4, which is characterized in that the turntable further include:
Speed regulating unit is connected to the driving part, adjusts the turntable for the speed control signal according to input
Velocity of rotation.
6. the apparatus according to claim 1, which is characterized in that the fixing piece is made of a foam material, the suction wave material
Material is suction wave foam.
7. the apparatus according to claim 1, which is characterized in that the shielding case body is cuboid, the shielding case body
Length is greater than 110cm.
8. the apparatus according to claim 1, which is characterized in that the distance between the turntable and each test antenna meet
Following condition:
R>2*D2/ λ, wherein R indicates the distance between the turntable and test antenna, and D indicates the 5G millimeter wave terminal to be measured
Antenna diameter, λ indicate 5G millimeter-wave signal wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145996.XU CN209710100U (en) | 2019-07-19 | 2019-07-19 | 5G millimeter wave terminal test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921145996.XU CN209710100U (en) | 2019-07-19 | 2019-07-19 | 5G millimeter wave terminal test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209710100U true CN209710100U (en) | 2019-11-29 |
Family
ID=68651104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921145996.XU Active CN209710100U (en) | 2019-07-19 | 2019-07-19 | 5G millimeter wave terminal test device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447018A (en) * | 2020-03-26 | 2020-07-24 | 中国信息通信研究院 | Millimeter wave multi-terminal grouping test system and method |
| CN111525967A (en) * | 2020-05-11 | 2020-08-11 | 南京华络通信技术有限公司 | Millimeter wave terminal test system and method |
| CN112526322A (en) * | 2020-12-09 | 2021-03-19 | 江苏联康信息股份有限公司 | Millimeter wave function test fixture for electronic mainboard |
| CN113759178A (en) * | 2020-06-05 | 2021-12-07 | 柯彦旭 | Electromagnetic wave shielding box and detection method thereof |
| CN114362847A (en) * | 2021-12-30 | 2022-04-15 | 江苏创通电子股份有限公司 | Millimeter wave radio frequency testing device and method |
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2019
- 2019-07-19 CN CN201921145996.XU patent/CN209710100U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111447018A (en) * | 2020-03-26 | 2020-07-24 | 中国信息通信研究院 | Millimeter wave multi-terminal grouping test system and method |
| CN111447018B (en) * | 2020-03-26 | 2022-03-22 | 中国信息通信研究院 | Millimeter wave multi-terminal grouping test system and method |
| CN111525967A (en) * | 2020-05-11 | 2020-08-11 | 南京华络通信技术有限公司 | Millimeter wave terminal test system and method |
| CN111525967B (en) * | 2020-05-11 | 2022-04-22 | 南京华络通信技术有限公司 | Millimeter wave terminal test system and method |
| CN113759178A (en) * | 2020-06-05 | 2021-12-07 | 柯彦旭 | Electromagnetic wave shielding box and detection method thereof |
| CN112526322A (en) * | 2020-12-09 | 2021-03-19 | 江苏联康信息股份有限公司 | Millimeter wave function test fixture for electronic mainboard |
| CN114362847A (en) * | 2021-12-30 | 2022-04-15 | 江苏创通电子股份有限公司 | Millimeter wave radio frequency testing device and method |
| CN114362847B (en) * | 2021-12-30 | 2024-02-02 | 江苏创通电子股份有限公司 | Millimeter wave radio frequency testing device and testing method |
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