CN114665342A - Radio frequency elasticity interconnection test cable assembly - Google Patents
Radio frequency elasticity interconnection test cable assembly Download PDFInfo
- Publication number
- CN114665342A CN114665342A CN202210167853.9A CN202210167853A CN114665342A CN 114665342 A CN114665342 A CN 114665342A CN 202210167853 A CN202210167853 A CN 202210167853A CN 114665342 A CN114665342 A CN 114665342A
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- metal contact
- interconnection
- contact cap
- elastic
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 75
- 239000004020 conductor Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 8
- 230000010354 integration Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000011056 performance test Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000006854 communication Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to the technical field of radio frequency circuits, and discloses a radio frequency elastic interconnection test cable assembly which comprises an elastic interconnection joint, a radio frequency cable and a radio frequency coaxial connector which are sequentially connected, wherein the elastic interconnection joint comprises a metal contact cap, an elastic interconnection structure and a fixing structure sleeved outside the elastic interconnection structure, which are sequentially connected, and the elastic interconnection structure is connected with the radio frequency cable. The invention solves the problems of complex operation, large test error introduced by switching, large interconnection size, difficult support of high-precision test requirement and the like in the prior art.
Description
Technical Field
The invention relates to the technical field of radio frequency circuits, in particular to a radio frequency elastic interconnection testing cable assembly.
Background
With the increasing requirements of the system on the volume and the function of the radio frequency link, the integration form of the radio frequency product has gradually changed from the traditional hybrid integration to the high-density integration mode such as the flat panel integration, and the radio frequency cable assembly for the traditional radio frequency transmission and test has difficulty in meeting the requirements of the high-density integration product. Aiming at the radio frequency interconnection transmission, test and the like of the existing board-level integrated product, the mode mainly adopted at present is to adopt a special test fixture, a switching fixture, a test cable and the like, the operation is complex, the test error introduced by switching is large, the interconnection size is large, and the requirement of high-precision test is difficult to support.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a radio frequency elastic interconnection test cable assembly, which solves the problems of complex operation, large test error caused by switching, large interconnection size, difficulty in supporting high-precision test requirements and the like in the prior art.
The technical scheme adopted by the invention for solving the problems is as follows:
the utility model provides a radio frequency elasticity interconnection test cable subassembly, includes elasticity interconnection joint, radio frequency cable, the radio frequency coaxial connector that connects gradually, elasticity interconnection joint is located including the metal contact cap, elasticity interconnection structure, the cover that connect gradually the outer fixed knot of elasticity interconnection structure constructs, elasticity interconnection structure with radio frequency cable junction.
As a preferred technical solution, the number of the metal contact caps of each elastic interconnection joint is three or more, and each metal contact cap is connected with one elastic interconnection structure.
As a preferred technical scheme, one end of the elastic interconnection structure is connected with the metal contact cap, and the other end of the elastic interconnection structure is interconnected with the radio frequency cable central conductor.
As a preferred technical solution, the metal contact cap includes a signal-property metal contact cap and a ground-property metal contact cap, and the arrangement of the metal contact caps is one of the following manners: the ground attribute metal contact caps are arranged on two sides of the signal attribute metal contact cap by taking the signal attribute metal contact cap as a center; the signal attribute metal contact cap is taken as a center, and the ground attribute metal contact cap surrounds the outside of the signal attribute metal contact cap to form square arrangement; the signal attribute metal contact cap is taken as a center, and the ground attribute metal contact cap surrounds the signal attribute metal contact cap to form circular arrangement.
As a preferred solution, the cross-section of the metal contact cap is circular in shape.
As a preferred technical solution, the radio frequency coaxial connector is an SMA connector.
The utility model provides a radio frequency elasticity interconnection test cable subassembly, includes the radio frequency cable, the both ends of radio frequency cable all are connected with elasticity interconnection and connect, elasticity interconnection connects and locates including the metal contact cap, elasticity interconnection structure, the cover that connect gradually the outer fixed knot of elasticity interconnection structure constructs, elasticity interconnection structure with the radio frequency cable junction.
As a preferred technical solution, the number of the metal contact caps of each elastic interconnection joint is three or more, and each metal contact cap is connected with one elastic interconnection structure.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention realizes good transmission of radio frequency signals, can be independently applied to the port performance test of the integrated substrate in high-density integration without other equipment, does not need welding and can be applied to the performance test of the substrate;
(2) the radio frequency elastic cable assembly can be applied to radio frequency performance test of packaged products, can be interconnected with BGA (ball grid array) and other types of surface-mounted packaged device balls or bonding pads, realizes high-precision test of radio frequency performance of the packaged products, does not need operations such as welding, switching and the like, and is simple and convenient to test;
(3) in the elastic interconnection structure in the radio frequency elastic cable assembly, the arrangement of the metal contact caps can be selected according to interconnection and test requirements, GSG type linear distribution ports can be selected, and similar coaxial ports of rectangular arrays or circular arrays can also be selected, so that the design is flexible and the application range is wide;
(4) the elastic interconnection head in the radio frequency elastic cable assembly can realize elastic expansion in a larger size range, can avoid poor contact caused by factors such as deformation and indentation and has high interconnection reliability;
(5) the invention greatly reduces the intermediate cascade link, has more excellent loss, consistency and the like, and can meet the working requirement of DC-40GHz and even higher frequency band;
(6) the invention has simple assembly and positioning and convenient disassembly; the pressure of the elastic structure can be realized by selecting different types of elastic interconnection structures according to the requirement;
(7) the radio frequency elastic cable assembly is flexible in design, the length, the working frequency and the interconnection type can be selected according to application requirements, and the application range is wide; the method comprises the steps of customizing an elastic interconnection structure with corresponding standards to realize batch application;
(8) the invention can be assembled with a universal connector at one end of the cable and directly connected to a vector network analyzer and other testing instruments for testing, and can also be provided with elastic interconnection structures at two ends to meet the small-size elastic interconnection requirements of different positions.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 is a schematic view of a metal contact cap arrangement according to the present invention;
FIG. 4 is a second schematic layout of the metal contact cap of the present invention;
FIG. 5 is a third schematic layout of a metal contact cap according to the present invention;
FIG. 6 is a schematic diagram of a radio frequency performance test of a packaged product according to the present invention;
FIG. 7 is a second schematic diagram of the RF performance test of the packaged product according to the present invention.
Reference numbers and corresponding part names in the drawings: 1. metal contact cap, 2, elastic interconnection structure, 3, fixed structure, 4, radio frequency cable, 5, radio frequency coaxial connector, 11, signal attribute metal contact cap, 12, ground attribute metal contact cap.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Example 1
As shown in fig. 1 to 7, the present invention is directed to solving the rf resilient interconnection and testing problem of high density integrated products.
The invention designs a radio frequency flexible interconnection and test cable assembly aiming at the application requirements of radio frequency flexible interconnection and test in broadband radio frequency high-density integration.
The invention has the main characteristics that:
1. the radio frequency elasticity test cable assembly is composed of a metal contact cap 1, an elasticity interconnection structure 2, a fixing structure 3, a radio frequency cable 4 and a radio frequency coaxial connector 5, wherein the metal contact cap 1, the elasticity interconnection structure 2 and the fixing structure 3 form an elasticity interconnection joint.
2. The metal contact cap 1 is in contact with a substrate bonding pad, a BGA ball, a QFN bonding pad and the like to be tested, signal communication between the metal contact cap and a tested piece is achieved, and pressure is provided by a rear end elastic structure in the communication process to ensure good contact. The arrangement mode of the metal contact caps 1 can be selected according to interconnection or test requirements, and can be GSG arrangement, rectangular array arrangement or circular array arrangement, and the arrangement mode is flexible.
3. Elastic interconnection structure 2 buries inside fixed knot constructs 3, and one end is connected with metal contact cap 1, and one end and 4 center conductor interconnection of inside radio frequency cable, outside surveyed a contact metal contact cap 1 back, and metal contact cap 1 moves inwards and compresses elastic structure, through the antiphase effort of compression, realizes the good contact of metal contact cap 1 with the measured a. Under the non-contact state, the elastic structure stretches, and the metal contact cap 1 extends out; in the interconnected compressed state, the metal contact cap 1 is retracted and the resilient structure is in a compressed state.
4. The fixed structure 3 is internally provided with a corresponding medium structure, the metal contact cap 1 and the elastic interconnection structure 2 are both arranged in a medium on one side, and the coaxial transmission of radio-frequency signals is ensured through corresponding simulation design. The inside of the other side of the fixed structure 3 is interconnected with the central conductor of the radio frequency cable 4, and the outside is welded with the outer conductor of the cable, so that a complete elastic cable interconnection joint is finally formed.
5. One end of a radio frequency cable 4 is connected with the elastic interconnection structure 2, the other end of the radio frequency cable is interconnected with an external radio frequency coaxial connector 5, and the length and the working frequency of the cable are selected according to the connection and test requirements of the cable assembly.
6. The rf coaxial connector 5 is used for connecting the signal to be measured to the instrument, and is directly interconnected with the instrument interface, usually an SMA connector is used, and the specific type is determined according to the use frequency. The rf connector may be implemented with other types of connectors to interface with other products.
7. And elastic interconnection joints can be adopted on two sides of the cable, so that the elastic interconnection of the radio frequency surface-mounted bonding pads at the position where the direct interconnection cannot be realized is realized.
Example 2
As shown in fig. 1 to 7, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and in addition, this embodiment further includes the following technical features:
the invention designs a radio frequency elastic interconnection and test cable assembly.
Preferably, the radio frequency elastic cable assembly of the invention compresses the elastic interconnection structure 2 by contacting the metal contact cap 1, realizes good transmission of radio frequency signals, can be independently applied to a port performance test of an integrated substrate in high-density integration without other devices, does not need welding, and can be applied to substrate performance detection.
Preferably, the radio frequency elastic cable assembly can be applied to radio frequency performance testing of packaged products, can be interconnected with BGA and other types of surface-mounted packaged device balls or bonding pads, achieves high-precision testing of radio frequency performance of the packaged products, does not need operations such as welding and switching, and is simple and convenient to test.
Preferably, in the elastic interconnection structure 2 in the radio frequency elastic cable assembly, the metal contact cap 1 includes a signal attribute metal contact cap 11 and a ground attribute metal contact cap 12, the arrangement of the metal contact caps 1 can be selected according to interconnection and test requirements, a GSG type linear distribution port can be selected, and a similar port of a rectangular array or a circular array can be selected, so that the design is flexible, and the application range is wide.
Preferably, the elastic interconnection joint in the radio frequency elastic cable assembly can realize elastic expansion in a larger size range, can avoid poor contact caused by factors such as deformation and indentation, and has high interconnection reliability.
Preferably, the radio frequency elastic cable assembly and the cable are connected through welding, so that compared with the traditional connection and test modes, the radio frequency elastic cable assembly greatly reduces the middle cascade link, has more excellent loss, consistency and the like, and can meet the working requirement of a DC-40GHz or even higher frequency band.
Preferably, the radio frequency elastic cable assembly is simple in assembly and positioning and convenient to disassemble. The elastic structure pressure can be realized by selecting different types of elastic interconnection structures 2 according to requirements.
Preferably, the radio frequency elastic cable assembly is flexible in design, the length, the working frequency and the interconnection type can be selected according to application requirements, and the application range is wide. The mass application is realized by customizing the corresponding standard elastic interconnection structure 2.
Preferably, the radio frequency elastic cable assembly can be directly connected to a vector network analyzer and other testing instruments for testing by assembling a universal connector at one end of the cable, and the elastic interconnection structures 2 can be arranged at two ends of the cable to meet the requirements of small-size elastic interconnection at different positions.
The elastic interconnection joint shown in fig. 1 is in the same straight line with the cable, and the elastic interconnection joint and the cable can be distributed in various angular directions to meet the requirements of various miniaturization, fixation and the like. In fig. 1, the two ends of the cable are respectively provided with an elastic interconnection joint and an SMA connector, or both ends of the cable can be in a radio frequency elastic interconnection joint form.
Preferably, in the interconnection or test process, the metal contact cap 1 is stressed to move inwards after contacting the tested piece, the elastic interconnection structure 2 is compressed, and the metal contact cap 1 is ensured to be in good contact with the tested piece all the time by external thrust. In the extreme state, the metal contact cap 1 is completely retracted and flush with the housing. The moving distance of the metal contact cap 1 in the limit compression and relaxation states is the contact range allowed by the elasticity test, and the factors such as deformation, tolerance and the like of the tested piece need to be in the range to ensure the interconnection performance.
The GSG arrangement, the rectangular array arrangement, and the circular array arrangement shown in the examples, wherein the signal is in the middle, and the ground-property metal contact cap 1 is in the periphery, can realize good radio frequency transmission and shielding, and the figures are only examples, and the actual arrangement and the number of the metal contact caps 1 can be adjusted according to the system requirements.
Preferably, after the elastic interconnection joint of the radio frequency elastic cable assembly is contacted with the substrate and compressed to a certain extent, the metal contact cap 1 is in good contact with the surface-mounted interconnection pad through the force generated after the elastic interconnection structure 2 is compressed, and good transmission of radio frequency performance is realized. The mode is very favorable for testing and verifying the performance of the bare board, welding is not needed, corresponding testing can be realized without using an additional elastic structure, and the method is convenient and quick.
Preferably, the elastic interconnection joint of the radio frequency elastic cable assembly is in contact with a radio frequency bonding pad or a welding ball corresponding to a radio frequency surface-mounted package product to be tested, and the metal contact cap 1 is in good contact with the interconnection bonding pad or the welding ball through contact and pressurization, and the good transmission of the radio frequency performance is realized through the force generated after the elastic interconnection structure 2 is compressed. The method has the advantages of less cascade connection and switching, simple assembly, high test precision and consistency and capability of realizing high-precision test of the radio frequency performance of the packaged product.
Preferably, the radio frequency elastic interconnection and test cable assembly example shown in fig. 1 is designed by using the invention, and radio frequency elastic interconnection joints are adopted at two ends, so that radio frequency elastic interconnection between two substrates which cannot be directly interconnected is realized.
As described above, the present invention can be preferably realized.
All features disclosed in all embodiments in this specification, or all methods or process steps implicitly disclosed, may be combined and/or expanded, or substituted, in any way, except for mutually exclusive features and/or steps.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications, equivalent arrangements, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a radio frequency elasticity interconnection test cable subassembly, its characterized in that, connects, radio frequency cable (4), radio frequency coaxial connector (5) including the elasticity interconnection that connects gradually, elasticity interconnection connects and locates including metal contact cap (1), elasticity interconnection structure (2), the cover that connect gradually the outer fixed knot of elasticity interconnection structure (2) constructs (3), elasticity interconnection structure (2) with radio frequency cable (4) are connected.
2. A radio frequency elastic interconnection test cable assembly according to claim 1, wherein the number of the metal contact caps (1) of each elastic interconnection joint is three or more, and each metal contact cap (1) is connected to one elastic interconnection structure (2).
3. A radio frequency elastic interconnection test cable assembly according to claim 2, wherein one end of the elastic interconnection structure (2) is connected to the metal contact cap (1), and the other end of the elastic interconnection structure (2) is interconnected with the center conductor of the radio frequency cable (4).
4. A radio frequency elastic interconnection test cable assembly according to claim 3, wherein the metal contact cap (1) comprises a signal-property metal contact cap (11) and a ground-property metal contact cap (12), and the metal contact cap (1) is arranged in one of the following ways: the ground attribute metal contact caps (12) are arranged on two sides of the signal attribute metal contact cap (11) by taking the signal attribute metal contact cap (11) as a center; the signal attribute metal contact cap (11) is taken as a center, and the ground attribute metal contact cap (12) surrounds the signal attribute metal contact cap (11) to form square arrangement; the signal attribute metal contact cap (11) is taken as a center, and the ground attribute metal contact cap (12) surrounds the signal attribute metal contact cap (11) to form circular arrangement.
5. A radio frequency elastic interconnection test cable assembly according to claim 4, wherein the metal contact cap (1) has a circular cross-sectional shape.
6. A radio frequency elastic interconnection test cable assembly according to claim 5, characterized in that the radio frequency coaxial connector (5) is an SMA connector.
7. The utility model provides a radio frequency elasticity interconnection test cable subassembly, its characterized in that includes radio frequency cable (4), the both ends of radio frequency cable (4) all are connected with elasticity interconnection joint, elasticity interconnection joint is located including the metal contact cap (1), elasticity interconnection structure (2), the cover that connect gradually the outer fixed knot of elasticity interconnection structure (2) constructs (3), elasticity interconnection structure (2) with radio frequency cable (4) are connected.
8. A radio frequency elastic interconnection test cable assembly according to claim 7, characterized in that the number of the metal contact caps (1) of each elastic interconnection joint is three or more, and each metal contact cap (1) is connected with one elastic interconnection structure (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210167853.9A CN114665342A (en) | 2022-02-23 | 2022-02-23 | Radio frequency elasticity interconnection test cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210167853.9A CN114665342A (en) | 2022-02-23 | 2022-02-23 | Radio frequency elasticity interconnection test cable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114665342A true CN114665342A (en) | 2022-06-24 |
Family
ID=82027807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210167853.9A Pending CN114665342A (en) | 2022-02-23 | 2022-02-23 | Radio frequency elasticity interconnection test cable assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114665342A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025139A (en) * | 2014-04-30 | 2015-11-04 | 中兴通讯股份有限公司 | Radio frequency test bench and radio frequency test cable |
| CN106998024A (en) * | 2017-05-12 | 2017-08-01 | 京信通信系统（中国）有限公司 | A kind of rf adapter and test system |
| CN206450726U (en) * | 2016-09-23 | 2017-08-29 | 上海锐翊通讯科技有限公司 | A kind of RF switch is without tooth measuring head |
| CN107611729A (en) * | 2017-08-30 | 2018-01-19 | 上海航天科工电器研究院有限公司 | For exempting from the radio frequency resilient contact structure of weldering interconnection |
| CN111769415A (en) * | 2020-07-31 | 2020-10-13 | 德尔特微波电子(南京)有限公司 | Radio frequency test cable assembly with color mark |
| CN211829265U (en) * | 2020-04-23 | 2020-10-30 | 宁波吉品科技有限公司 | Bundling elastic contact radio frequency assembly |
| CN112327139A (en) * | 2020-11-04 | 2021-02-05 | 上海航天科工电器研究院有限公司 | Chip testing device |
| CN113488754A (en) * | 2021-05-25 | 2021-10-08 | 中国电子科技集团公司第二十九研究所 | Method for realizing interconnection between microwave signal boards and interconnected microwave signal boards |
-
2022
- 2022-02-23 CN CN202210167853.9A patent/CN114665342A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025139A (en) * | 2014-04-30 | 2015-11-04 | 中兴通讯股份有限公司 | Radio frequency test bench and radio frequency test cable |
| CN206450726U (en) * | 2016-09-23 | 2017-08-29 | 上海锐翊通讯科技有限公司 | A kind of RF switch is without tooth measuring head |
| CN106998024A (en) * | 2017-05-12 | 2017-08-01 | 京信通信系统（中国）有限公司 | A kind of rf adapter and test system |
| CN107611729A (en) * | 2017-08-30 | 2018-01-19 | 上海航天科工电器研究院有限公司 | For exempting from the radio frequency resilient contact structure of weldering interconnection |
| CN211829265U (en) * | 2020-04-23 | 2020-10-30 | 宁波吉品科技有限公司 | Bundling elastic contact radio frequency assembly |
| CN111769415A (en) * | 2020-07-31 | 2020-10-13 | 德尔特微波电子(南京)有限公司 | Radio frequency test cable assembly with color mark |
| CN112327139A (en) * | 2020-11-04 | 2021-02-05 | 上海航天科工电器研究院有限公司 | Chip testing device |
| CN113488754A (en) * | 2021-05-25 | 2021-10-08 | 中国电子科技集团公司第二十九研究所 | Method for realizing interconnection between microwave signal boards and interconnected microwave signal boards |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI741695B (en) | Antennas in package verification board | |
| US20030122538A1 (en) | Coaxial cable for ATE with overvoltage protection | |
| JP3214043U (en) | Coaxial probe card device | |
| CN219417575U (en) | Novel integrated radio frequency test probe | |
| CN104678230B (en) | A kind of three-dimensional microwave component test device | |
| CN116601503A (en) | Chip testing device and chip testing method | |
| CN108519751B (en) | Solid-state matrix switch system | |
| CN106841693A (en) | A kind of test fixture for testing surface-mount type wave filter | |
| CN221305035U (en) | Multi-channel radio frequency connector based on FPC | |
| CN107192881A (en) | Antenna resistance test fixture and its method of testing | |
| CN114665342A (en) | Radio frequency elasticity interconnection test cable assembly | |
| CN204536433U (en) | A kind of three-dimensional microwave component test device | |
| CN207896297U (en) | A kind of elastomeric connector of soldering-free type test microstrip circuit | |
| CN112039561B (en) | Massive MIMO antenna assembly and sub-module testing method thereof | |
| CN216747819U (en) | Radio frequency component test fixture | |
| CN112540281A (en) | Testing device | |
| CN213126635U (en) | Low-cost PCB pad of compatible production test and research and development debugging interface | |
| CN212275850U (en) | Antenna testing device | |
| CN211653037U (en) | Radio frequency port expander | |
| WO2020232564A1 (en) | Massive mimo antenna assembly and method for testing modules thereof | |
| CN209896304U (en) | Fan-out structure of radio frequency signal | |
| CN204925290U (en) | Microwave device's testing arrangement | |
| CN213959108U (en) | Improved ultra-wideband board-connected coupler device | |
| CN219267928U (en) | Contact structure of vertical solderless interconnection | |
| US11913987B2 (en) | Automated test equipment comprising a device under test loopback and an automated test system with an automated test equipment comprising a device under test loopback |
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: 20220624 |