CN205749718U - Multiport radio frequency matrix switch de-vice and radio frequency test system - Google Patents
Multiport radio frequency matrix switch de-vice and radio frequency test system Download PDFInfo
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- CN205749718U CN205749718U CN201620444877.4U CN201620444877U CN205749718U CN 205749718 U CN205749718 U CN 205749718U CN 201620444877 U CN201620444877 U CN 201620444877U CN 205749718 U CN205749718 U CN 205749718U
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Abstract
The utility model discloses a kind of multiport radio frequency matrix switch de-vice and radio frequency test system, wherein, multiport radio frequency matrix switch de-vice includes that matrix electronic switch, panel and power supply, matrix electronic switch include that multiple switches set, the cascade of multiple switches set connect；Panel is connected with described matrix electronic switching signal, in order to receive the control instruction that Network Analyzer sends, and is selectively turned on according to described control instruction control described matrix electronic switch；Power supply is connected with described panel, with thinking that described panel is powered.This utility model has multiple test port, tested radio-frequency devices or the product of one or more multiport number can be simultaneously connected with, after having connected, being not required to repeatedly to plug, under switch test cable to different test port premises, S parameter between any two ends mouth of tested radio-frequency devices or product can be measured, detection process simplify, in hgher efficiency, testing result is more accurate.
Description
Technical field
This utility model relates to technical field of radio frequency test, particularly relates to a kind of multiport radio frequency matrix switch de-vice and penetrates
Frequency test system.
Background technology
Currently, the electricity function index detection of microwave radio device is mainly detected by Network Analyzer, it is ensured that product
Reach performance indications requirement.Along with the integrated of communication system and multiport rapid development, multiport communication system micro-
Ripple radio-frequency devices limits due to instrument port number in detection, need during causing detection repeatedly to plug, switch test cable extremely
Different tested ports are tested so that complex operation, repetition, exist at aspects such as efficient activity, convenience, accuracy and much ask
Topic.
The appearance of multiport radio frequency matrix switch, the problem to some extent solving instrument port number deficiency, but mesh
The port number of front a lot of multiport radio frequency matrix switches is also insufficient for the detection of existing part multiport microwave radio device
(example: 12 enter 2 to go out multi-system access platform, 8 enter 8 and go out junction filter etc.), thus in the detection of some multiport communication systems
On need for not stopping plug, switch test cable to the most different tested ports, cause detection efficiency low, test result is by people
Big for factor impact.
Utility model content
This utility model is intended to solve one of above-mentioned technical problem of the prior art the most to a certain extent.To this end,
A purpose of the present utility model is to propose a kind of multiport radio frequency matrix switch de-vice.
Another purpose of the present utility model is to propose a kind of radio frequency test system.
For achieving the above object, on the one hand, this utility model provides a kind of multiport radio frequency matrix switch de-vice, bag
Include:
Matrix electronic switchs, and described matrix electronic switch includes that multiple switches set, the cascade of multiple switches set connect；
Panel, is connected with described matrix electronic switching signal, in order to receive the control instruction that Network Analyzer sends, and
Control described matrix electronic switch according to described control instruction to be selectively turned on；
Power supply, is connected with described panel, with thinking that described panel is powered.
The multiport radio frequency matrix switch de-vice provided according to this utility model, matrix electronic switch uses multiple switches set
Cascade connects formation, therefore, has multiple test port (such as 8,16), it is possible to be simultaneously connected with one or more multiport number
Tested radio-frequency devices, after having connected, being not required to repeatedly to plug, under switch test cable to different test port premises,
S parameter between any two ends mouth of tested radio-frequency devices is measured.So, it is achieved the tested radio-frequency devices of multiport detected
The simplification of journey, efficient activity, realize the high efficiency that the tested radio-frequency devices of multiport checks simultaneously, improves testing result accuracy.
It addition, it is special to have following additional technology according to multiport radio frequency matrix switch de-vice of the present utility model
Levy:
According to an embodiment of the present utility model, each described switches set includes:
First and second hilted broadsword four throw switches；
First, second, and third single-pole double-throw switch (SPDT), the first stationary contact of described first single-pole double-throw switch (SPDT) and described the
First stationary contact of one hilted broadsword four throw switch is connected, the second stationary contact of the first single-pole double-throw switch (SPDT) and described second hilted broadsword four-throw
First stationary contact of switch is connected；
Second stationary contact phase of the first stationary contact of described second single-pole double-throw switch (SPDT) and described first hilted broadsword four throw switch
Even, the second stationary contact of the second single-pole double-throw switch (SPDT) is connected with the second stationary contact of described second hilted broadsword four throw switch；
3rd stationary contact phase of the first stationary contact of described 3rd single-pole double-throw switch (SPDT) and described first hilted broadsword four throw switch
Even, the second stationary contact of the 3rd single-pole double-throw switch (SPDT) is connected with the 3rd stationary contact of described second hilted broadsword four throw switch；
Between adjacent two described switches set, the 4th of first, second hilted broadsword four throw switch of a described switches set is quiet
Contact and the movable contact of first, second hilted broadsword four throw switch of another described switches set are respectively connected with forming described cascade even
Connect；
The movable contact of first, second hilted broadsword four throw switch in first described switches set of cascade connects an arrow net respectively
Port, the 4th stationary contact of first, second hilted broadsword four throw switch in the described switches set of last of cascade and each described
The movable contact in first, second, and third single-pole double-throw switch (SPDT) in switch connects a test port respectively.
According to an embodiment of the present utility model, described matrix electronic switch is for many groups.
On the other hand, this utility model provides a kind of radio frequency test system, including:
Tested radio-frequency devices；
Multiport radio frequency matrix switch de-vice as above；
Network Analyzer, described Network Analyzer is by described multiport radio frequency matrix switch de-vice and described tested radio frequency
Device is connected, and is selectively turned in order to control described multiport radio frequency matrix switch de-vice according to control instruction, and described many
Described tested radio-frequency devices is tested after being selectively turned on by port radio frequency matrix switch de-vice；
Computer, is connected with described Network Analyzer signal, in order to send described control instruction and from Network Analyzer
Read test data.
The radio frequency test system provided according to this utility model, matrix electronic switch uses the cascade of multiple switches set to connect shape
Become, therefore, there is multiple test port (such as 8,16), it is possible to be simultaneously connected with the tested radio-frequency (RF) device of one or more multiport number
Part, after having connected, being not required to repeatedly to plug, under switch test cable to different test port premises, can be to tested radio frequency
S parameter between any two ends mouth of device measures.So, it is achieved the tested radio-frequency devices of multiport detects the simple of process
Change, efficient activity, realize the high efficiency that the tested radio-frequency devices of multiport checks simultaneously, improves testing result accuracy.
It addition, can also have the technical characteristic added as follows according to radio frequency test system of the present utility model:
According to an embodiment of the present utility model, described tested radio-frequency devices is multiple.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment multiport radio frequency matrix switch de-vice；
Fig. 2 is the structural representation of matrix electronic switch in this utility model embodiment multiport radio frequency matrix switch de-vice
Figure；
Fig. 3 is that in this utility model embodiment multiport radio frequency matrix switch de-vice, the structure of many group matrix electronic switches is shown
It is intended to；
Fig. 4 is the structural representation of this utility model embodiment radio frequency test system.
Reference:
Multiport radio frequency matrix switch de-vice 100；
Matrix electronic switch 10；
Switches set 101；
First hilted broadsword four throw switch 1011；
Second hilted broadsword four throw switch 1012；
First single-pole double-throw switch (SPDT) 1013；
Second single-pole double-throw switch (SPDT) 1014；
3rd single-pole double-throw switch (SPDT) 1015；
Vow net port 102；
Test port 103；
Panel 11；
Power supply 12；
Tested radio-frequency devices 200；
Network Analyzer 300；
Computer 400.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng
It is exemplary for examining the embodiment that accompanying drawing describes, it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " suitable
Hour hands ", the orientation of the instruction such as " counterclockwise " or position relationship be based on orientation shown in the drawings or position relationship, merely to just
Describe in description this utility model and simplification rather than indicate or imply that the device of indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
Above, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in this utility model.
With reference to shown in Fig. 1, this utility model embodiment provides a kind of multiport radio frequency matrix switch de-vice 100, including
Matrix electronic switch 10, panel 11 and power supply 12.
Concrete, matrix electronic switch 10 includes that multiple switches set 101, the cascade of multiple switches set 101 connect；Panel 11
Switch 10 signals with described matrix electronic to be connected, in order to receive the control instruction that Network Analyzer sends, and according to described control
Instruction controls described matrix electronic switch 10 and is selectively turned on；Power supply 12 is connected with described panel 11, with thinking described control
Plate 11 is powered.
It is to say, matrix electronic switch 10 is to be cascaded connection by multiple switches set 101 to be formed.Due to each switches set
101 have multiple switch, and each switch at least has a gear, so, the cascade of multiple switches set 101 connects the matrix formed
Electrical switch 10, it has been internally formed a plurality of radio-frequency channel, and panel 11 controls each in switches set 101 according to control instruction
Switch different gears, and then realize being selectively turned on radio-frequency channel.
In a particular application, this multiport radio frequency matrix switch de-vice 100 is attached to tested radio-frequency devices and network divides
Between analyzer, owing to panel 11 can be selectively turned on the radio-frequency channel in matrix electronic switch 10 according to control instruction,
So, when the radio-frequency channel in matrix electronic switch 10 is connected by selectivity, then the correspondence on multiport radio-frequency devices two
Port can be connected, so utilize network tester to send test instruction can be to two corresponding on this multiport radio-frequency devices
S parameter between port measures.
The multiport radio frequency matrix switch de-vice 100 provided according to this utility model, matrix electronic switch 10 employing is multiple
Switches set 101 cascade connects formation, therefore, has multiple test port 103 (such as 8,16), it is possible to be simultaneously connected with one or many
The tested radio-frequency devices of individual multiport number, after having connected, being not required to repeatedly to plug, switch test cable is to different test ports
Under 103 premises, the S parameter between any two ends mouth of tested radio-frequency devices can be measured.So, it is achieved multiport is tested
Radio-frequency devices the detection simplification of process, efficient activity, realize the high efficiency that the tested radio-frequency devices of multiport checks simultaneously, improve inspection
Survey result precision.
With reference to shown in Fig. 2, in an embodiment of the present utility model, each described switches set 101 includes the first hilted broadsword
Four throw switch the 1011, second hilted broadsword four throw switch the 1012, first single-pole double-throw switch (SPDT) the 1013, second single-pole double-throw switch (SPDT) 1014 and
3rd single-pole double-throw switch (SPDT) 1015.
Concrete, each in first, second hilted broadsword four throw switch 1011,1012 there is a movable contact e and four quiet
Contact a, b, c, d.Corresponding, each in first, second, and third single-pole double-throw switch (SPDT) 1013,1014,1015 has one
Movable contact h and two stationary contacts f, g.
The first stationary contact f and the first stationary contact a of the first hilted broadsword four throw switch 1011 of the first single-pole double-throw switch (SPDT) 1013
It is connected, the second stationary contact g of the first single-pole double-throw switch (SPDT) 1013 and the first stationary contact a phase of the second hilted broadsword four throw switch 1012
Even, say, that the first single-pole double-throw switch (SPDT) 1013 is attached to the first hilted broadsword four throw switch 1011 and the second hilted broadsword four-throw is opened
Close between two first corresponding stationary contact a of 1012.
The first stationary contact f and the second stationary contact b of the first hilted broadsword four throw switch 1011 of the second single-pole double-throw switch (SPDT) 1014
It is connected, the second stationary contact g of the second single-pole double-throw switch (SPDT) 1014 and the second stationary contact b phase of the second hilted broadsword four throw switch 1012
Even, say, that the second single-pole double-throw switch (SPDT) 1014 is attached to the first hilted broadsword four throw switch 1011 and the second hilted broadsword four-throw is opened
Close between two second corresponding stationary contact b of 1012.
The first stationary contact f and the 3rd stationary contact c of the first hilted broadsword four throw switch 1011 of the 3rd single-pole double-throw switch (SPDT) 1015
It is connected, the second stationary contact g of the 3rd single-pole double-throw switch (SPDT) 1015 and the 3rd stationary contact c phase of the second hilted broadsword four throw switch 1012
Even, say, that the 3rd single-pole double-throw switch (SPDT) 1015 is attached to the first hilted broadsword four throw switch 1011 and the second hilted broadsword four-throw is opened
Close between two the 3rd corresponding stationary contact c of 1012.
Between adjacent two described switches set 101, first, second hilted broadsword four throw switch of a described switches set 101
1011, first, second hilted broadsword four throw switch 1011,1012 of the 4th stationary contact d of 1012 and another described switches set 101
Movable contact e is respectively connected with forming described cascade and connects.It is to say, the first hilted broadsword four throw switch in a switches set 101
The movable contact of the first hilted broadsword four throw switch 1011 that one stationary contact d of the residue in 1011 is connected in another switches set 101
E, one the stationary contact d of residue in the second hilted broadsword four throw switch 1012 in one switches set 101 be connected to described another
The movable contact e of the second hilted broadsword four throw switch 1012 in individual switches set 101, so, two corresponding switches set 101 can be formed
Cascade connects.
The movable contact e of first, second hilted broadsword four throw switch 1011,1012 in first described switches set 101 of cascade
Connect an arrow net port 102, first, second hilted broadsword four throw switch in the described switches set of last of cascade 101 respectively
1011,1012 the 4th stationary contact d and each described switch in first, second, and third single-pole double-throw switch (SPDT) 1013,1014,
Movable contact h in 1015 connects a test port 103 respectively.Wherein, vow that net port 102 is for the Network Analyzer with outside
Connect, and testing port 103 is to connect for corresponding with the port on tested radio-frequency devices.
Thus, multiple switches set 101 the matrix electronic switch 10 cascaded can form two and vow net ports 102 and multiple
Test port 103, it is assumed that the quantity of switches set 101 is n (n is the natural number more than 1), then the test port 103 being correspondingly formed
Individual for (3n+2), such as, in Fig. 2 example, n=2, the quantity of test port 103 is 8.So, multiple test ports 103
For the S parameter between multiple ports of single or multiple tested radio-frequency devices is measured, it is not necessary to repeat wiring so that inspection
The simplification of survey process, efficient activity, realize the high efficiency that the tested radio-frequency devices of multiport checks simultaneously, improves testing result accurate
Degree.
With reference to shown in Fig. 3, in another embodiment of the present utility model, matrix electronic switch 10 is many groups, organizes square more
Battle array electrical switch 10 is arranged side by side.In Fig. 3 example, matrix electronic switch 10 is two groups, and often group matrix electronic switch 10 has 8
Individual test port 103, two groups of matrix electronics switch 10 is then corresponding has 16 test ports 103, so, can be multiplied
The quantity of test port 103, and then it is capable of the test of the tested radio-frequency devices to more multiport, or it is simultaneously connected with more
Tested radio-frequency devices is tested.
With reference to shown in Fig. 4, this utility model embodiment provides a kind of radio frequency test system, including tested radio-frequency devices
200, multiport radio frequency matrix switch de-vice 100, Network Analyzer 300 and the computer 400 described in example performed as described above.
Tested radio-frequency devices 200 can be, but not limited to be combiner, junction filter, duplexer, antenna for base station, multisystem
Access platform etc..
Network Analyzer 300 is by described multiport radio frequency matrix switch de-vice 100 and described tested radio-frequency devices 200 phase
Even, it is selectively turned in order to control described multiport radio frequency matrix switch de-vice 100 according to control instruction, and at described multiport
Described tested radio-frequency devices 200 is tested after being selectively turned on by radio frequency matrix switch de-vice 100.
In Fig. 4 example, the multiple ports on tested radio-frequency devices 200 are respectively by RF cable and multiport radio frequency square
Multiple test ports 103 of battle array switching device 100 connect one to one at least partially, the test lead on Network Analyzer 300
Mouth is connected with the arrow net port 102 of multiport radio frequency matrix switch de-vice 100 by cable, and the USB on Network Analyzer 300 connects
Mouth is connected with the USB interface on the panel 11 of multiport radio frequency matrix switch de-vice 100 by USB data line.
Computer 400 is connected with described Network Analyzer 300 signal, in order to send described control instruction and from analysis of network
Instrument read test data.
During specifically used, before test, first each port of tested radio-frequency devices 200 is all connected to by cable
Each test port 103 of multiport radio frequency matrix switch de-vice 100.During test, computer 400 sends control instruction to network
Analyser 300, Network Analyzer 300 controls multiport radio frequency matrix switch de-vice 100 according to control instruction and is selectively turned on, enters
And make two-port access system corresponding on tested radio-frequency devices 200, and select in this multiport radio frequency matrix switch de-vice 100
S parameter between two ports corresponding on tested radio-frequency devices 200 is tested after connecting by selecting property.
The radio frequency test system provided according to this utility model, the matrix electronic switch 10 multiple switches set 101 of employing cascade
Connect and formed, therefore, there is multiple test port 103 (such as 8,16), it is possible to be simultaneously connected with one or more multiport number
Tested radio-frequency devices 200, after having connected, being not required to repeatedly to plug, the difference of switch test cable to tested radio-frequency devices 200
On the premise of test port, the S parameter between any two ends mouth of tested radio-frequency devices 200 can be measured.So, it is achieved
The tested radio-frequency devices of multiport 200 detects the simplification of process, efficient activity, realizes the tested radio-frequency devices of multiport 200 simultaneously and examines
The high efficiency looked into, improves testing result accuracy.
In an embodiment of the present utility model, tested radio-frequency devices 200 is multiple, say, that can be by multiple quilts
Survey radio-frequency devices 200 and be disposably connected to each port of multiport radio frequency matrix switch de-vice 100.So, when test, only
Need to be selectively turned on by multiport radio frequency matrix switch de-vice 100, each tested radio-frequency devices 200 can be carried out successively
Test, its testing efficiency is higher, and test result is more accurate.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State and be not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be
Any one or more embodiments or example combine in an appropriate manner.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is without departing from this utility model to restriction of the present utility model
Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, revise, replace and
Modification.
Claims (5)
1. a multiport radio frequency matrix switch de-vice, it is characterised in that including:
Matrix electronic switchs, and described matrix electronic switch includes that multiple switches set, the cascade of multiple switches set connect；
Panel, is connected with described matrix electronic switching signal, in order to receive the control instruction that Network Analyzer sends, and according to
Described control instruction controls described matrix electronic switch and is selectively turned on；
Power supply, is connected with described panel, with thinking that described panel is powered.
Multiport radio frequency matrix switch de-vice the most according to claim 1, it is characterised in that each described switches set bag
Include:
First and second hilted broadsword four throw switches；
First, second, and third single-pole double-throw switch (SPDT), the first stationary contact of described first single-pole double-throw switch (SPDT) is single with described first
First stationary contact of cutter four throw switch is connected, the second stationary contact of the first single-pole double-throw switch (SPDT) and described second hilted broadsword four throw switch
The first stationary contact be connected；
First stationary contact of described second single-pole double-throw switch (SPDT) is connected with the second stationary contact of described first hilted broadsword four throw switch, the
Second stationary contact of two single-pole double-throw switch (SPDT)s is connected with the second stationary contact of described second hilted broadsword four throw switch；
First stationary contact of described 3rd single-pole double-throw switch (SPDT) is connected with the 3rd stationary contact of described first hilted broadsword four throw switch, the
Second stationary contact of three single-pole double-throw switch (SPDT)s is connected with the 3rd stationary contact of described second hilted broadsword four throw switch；
Between adjacent two described switches set, the 4th stationary contact of first, second hilted broadsword four throw switch of a described switches set
It is respectively connected with forming described cascade to be connected with the movable contact of first, second hilted broadsword four throw switch of switches set another described；
The movable contact of first, second hilted broadsword four throw switch in first described switches set of cascade connects an arrow net end respectively
Mouthful, the 4th stationary contact of first, second hilted broadsword four throw switch in the described switches set of last of cascade and each described in open
Movable contact in first, second, and third single-pole double-throw switch (SPDT) in the Central Shanxi Plain connects a test port respectively.
Multiport radio frequency matrix switch de-vice the most according to claim 1, it is characterised in that described matrix electronic switch is
Many groups.
4. a radio frequency test system, it is characterised in that including:
Tested radio-frequency devices；
Multiport radio frequency matrix switch de-vice as claimed any one in claims 1 to 3；
Network Analyzer, described Network Analyzer is by described multiport radio frequency matrix switch de-vice and described tested radio-frequency devices
It is connected, is selectively turned in order to control described multiport radio frequency matrix switch de-vice according to control instruction, and at described multiport
Described tested radio-frequency devices is tested after being selectively turned on by radio frequency matrix switch de-vice；
Computer, is connected with described Network Analyzer signal, in order to send described control instruction and to read from Network Analyzer
Test data.
Radio frequency test system the most according to claim 4, it is characterised in that described tested radio-frequency devices is multiple.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106771554A (en) * | 2016-12-13 | 2017-05-31 | 深圳市威通科技有限公司 | Multiport microwave device test system and method |
| CN109188083A (en) * | 2018-08-28 | 2019-01-11 | 深圳市信维通信股份有限公司 | A kind of RF consistency of LDS antenna and line impedance detection system and method |
| CN109758147A (en) * | 2018-12-06 | 2019-05-17 | 南方科技大学 | Non-invasive Apparatus of Microwave Imaging |
| CN109884409A (en) * | 2019-02-28 | 2019-06-14 | 广州杰赛科技股份有限公司 | Array antenna automatic testing equipment |
| CN110596432A (en) * | 2019-09-09 | 2019-12-20 | 武汉电信器件有限公司 | Test system for multidirectional photoelectric device |
| CN111999626A (en) * | 2020-08-02 | 2020-11-27 | 上海精密计量测试研究所 | Configurable I-V characteristic testing device and testing method thereof for semiconductor device |
| CN112345854A (en) * | 2020-10-30 | 2021-02-09 | 北京航天光华电子技术有限公司 | Two-port component measurement and test system between any two points |
| CN113866540A (en) * | 2021-09-26 | 2021-12-31 | 成都仕芯半导体有限公司 | Radio frequency device test method and device |
| CN117135132A (en) * | 2023-10-26 | 2023-11-28 | 南京纳特通信电子有限公司 | Multiport radio frequency matrix and control method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771554A (en) * | 2016-12-13 | 2017-05-31 | 深圳市威通科技有限公司 | Multiport microwave device test system and method |
| CN109188083A (en) * | 2018-08-28 | 2019-01-11 | 深圳市信维通信股份有限公司 | A kind of RF consistency of LDS antenna and line impedance detection system and method |
| CN109758147A (en) * | 2018-12-06 | 2019-05-17 | 南方科技大学 | Non-invasive Apparatus of Microwave Imaging |
| CN109884409A (en) * | 2019-02-28 | 2019-06-14 | 广州杰赛科技股份有限公司 | Array antenna automatic testing equipment |
| CN110596432A (en) * | 2019-09-09 | 2019-12-20 | 武汉电信器件有限公司 | Test system for multidirectional photoelectric device |
| CN111999626A (en) * | 2020-08-02 | 2020-11-27 | 上海精密计量测试研究所 | Configurable I-V characteristic testing device and testing method thereof for semiconductor device |
| CN112345854A (en) * | 2020-10-30 | 2021-02-09 | 北京航天光华电子技术有限公司 | Two-port component measurement and test system between any two points |
| CN113866540A (en) * | 2021-09-26 | 2021-12-31 | 成都仕芯半导体有限公司 | Radio frequency device test method and device |
| CN117135132A (en) * | 2023-10-26 | 2023-11-28 | 南京纳特通信电子有限公司 | Multiport radio frequency matrix and control method thereof |
| CN117135132B (en) * | 2023-10-26 | 2024-01-23 | 南京纳特通信电子有限公司 | Signal control method of multi-port radio frequency matrix |
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