CN220913169U - Ultra-narrow band surface acoustic wave filter component test fixture - Google Patents
Ultra-narrow band surface acoustic wave filter component test fixture Download PDFInfo
- Publication number
- CN220913169U CN220913169U CN202322331243.0U CN202322331243U CN220913169U CN 220913169 U CN220913169 U CN 220913169U CN 202322331243 U CN202322331243 U CN 202322331243U CN 220913169 U CN220913169 U CN 220913169U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- pressure
- conducting film
- acoustic wave
- ultra
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model belongs to the technical field of wave filter component testing jigs, and provides an ultra-narrow band surface acoustic wave filter component testing jig which is used for testing a filter component. The test circuit board comprises a circuit board body, wherein the circuit board body is arranged on the seat body, the electric connection pins are a plurality of bulges and are arranged on the circuit board body and are higher than the upper surface of the circuit board body. Through the technical scheme, the technical problem that the filter assembly test difficulty is high in the related technology is solved.
Description
Technical Field
The utility model belongs to the technical field of filter component testing jigs, and relates to an ultra-narrow band surface acoustic wave filter component testing jig.
Background
The surface acoustic wave filter assembly has the advantages of miniaturization, integration, high efficiency and the like of the frequency selection function, so that the surface acoustic wave filter assembly is widely applied to the military fields of radio stations, radars, electronic interference and the like, and the civil field is gradually spread. For the surface acoustic wave filter component, a whole set of system functions are integrated into a unit package, so that the quality and the space of the whole machine can be effectively saved, and further, a matching circuit can be integrated, so that the surface acoustic wave filter component can be directly used on line during the assembly of the whole machine, and the problem of consistency is avoided. Meanwhile, if various functions of the surface acoustic wave filter assembly are compounded, after the compounding of the functions is increased, the complete electrical performance test is difficult to perform, and meanwhile, the test jig is required to be convenient and stable to use, and the existing jig cannot be met at the same time. The existing jig adopts a mode of an aluminum seat and a spring probe, and because the pin of the component is extremely small, the probe needs to be thin and is extremely easy to break, and in addition, because the probe has a certain height, the contact between the component grounding surface and the aluminum seat is not good enough, the main signal is influenced by the direct signal, and auxiliary grounding materials such as copper foil, conductive foam and the like need to be added. Meanwhile, the jig needs to be manually pressed down, and several factors are intensively reflected as follows: 1. the testing difficulty is high; 2. signal instability; 3. the limit temperature on-line test is difficult to achieve.
Disclosure of utility model
The utility model provides an ultra-narrow band surface acoustic wave filter component testing jig, which solves the technical problem of high difficulty in testing filter components in the related art.
The technical scheme of the utility model is as follows:
The testing fixture for ultra-narrow band SAW filter assembly is used for testing the filter assembly and comprises a base body,
The test circuit board is arranged on the base body,
A pressure-sensitive conductive film disposed on the test circuit board,
And the pressing piece is arranged above the pressure-sensitive conducting film in a moving way, and is close to or far away from the pressure-sensitive conducting film after moving, and a material clamping space for placing the filter component is formed between the pressing piece and the pressure-sensitive conducting film.
As a further technical scheme, the test circuit board comprises
The circuit board body is arranged on the base body,
The electric connection pins are protruding, and the electric connection pins are protruding to be a plurality of, all set up on the circuit board body, and be higher than the upper surface of circuit board body.
As a further technical scheme, the base body is provided with a containing groove, the test circuit board and the pressure-sensitive conducting film are arranged in the containing groove, and two sides of the containing groove are respectively provided with a first wire placing through groove and a second wire placing through groove.
As a further technical proposal, also comprises
The jig pressing plate is arranged on the base body and positioned above the accommodating groove, is provided with an exposing hole, is positioned below the clamping space,
The pressure-sensitive conducting film is positioned below the jig pressing plate, and the pressure-sensitive conducting film is exposed out of the exposing hole.
As a further technical proposal, the seat body is provided with two mounting raised strips, and the seat body also comprises
A mounting base plate arranged on the mounting raised strip part,
And the vertical plate is arranged on the mounting bottom plate.
As a further technical scheme, the hydraulic clamp further comprises a quick clamp, wherein the quick clamp is arranged on the vertical plate, and the pressing piece is arranged on the quick clamp.
As a further technical scheme, the vertical plate is provided with a first adjusting strip hole, the quick clamp is arranged in the first adjusting strip hole,
The mounting bottom plate is provided with a second adjusting strip hole, and the vertical plate is mounted in the second adjusting strip hole.
In the utility model, considering that the problem that the efficiency is low and the jig is damaged due to the fact that an aluminum seat and a spring probe are frequently used when the filter assembly in the prior art is tested, in order to solve the problem, the pressure-sensitive conducting film is specially arranged on the test circuit board, the test circuit board is connected with the filter assembly through the pressure-sensitive conducting film, the pressure-sensitive conducting film is also called a conducting film, the pressure-sensitive conducting film conducts electricity longitudinally when being subjected to pressure, transverse conduction is not generated, and the problem of short circuit is not generated when the filter assembly is well grounded. And the pressure-sensitive conducting film is of a film structure, so that compared with a spring probe, the structure is very stable and not easy to damage, particularly, the filter component is only in surface contact with the pressure-sensitive conducting film, the pressure-sensitive conducting film is difficult to damage, and the service life of the test fixture is greatly ensured.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure A-A of FIG. 2;
FIG. 4 is a schematic diagram of a test circuit board-2 according to the present utility model;
In the figure: the test fixture comprises a base body-1, a containing groove-101, a first wire placing through groove-102, a second wire placing through groove-103, a mounting raised strip part-104, a test circuit board-2, a circuit board body-201, an electric connection pin protrusion-202, a pressure-sensitive conducting film-3, a pressing piece-4, a clamping space-5, a fixture pressing plate-6, an exposed hole-601, a mounting bottom plate-7, a second adjusting strip hole-701, a vertical plate-8, a first adjusting strip hole-801 and a quick clamp-9.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, the embodiment provides an ultra-narrow band surface acoustic wave filter assembly test fixture for testing a filter assembly, which comprises a base 1, a test circuit board 2 is arranged on the base 1, a pressure-sensitive conducting film 3 is arranged on the test circuit board 2, a pressing piece 4 is movably arranged above the pressure-sensitive conducting film 3 and is close to or far away from the pressure-sensitive conducting film 3 after being moved, and a material clamping space 5 for placing the filter assembly is formed between the pressing piece 4 and the pressure-sensitive conducting film 3.
In this embodiment, considering that when the filter assembly in the prior art is tested, the aluminum seat and the spring probe are often used, so that the problem that the efficiency is low and the jig is damaged exists, in order to solve the problem, the embodiment is specially provided with the pressure-sensitive conducting film 3 on the test circuit board 2, the test circuit board 2 is connected with the filter assembly by adopting the pressure-sensitive conducting film 3, the pressure-sensitive conducting film 3 is also called a conducting film, and the pressure-sensitive conducting film 3 can conduct longitudinal conduction when being stressed, and does not generate transverse conduction, so that the short circuit problem does not occur when the grounding of the filter assembly is good. And the pressure-sensitive conducting film 3 is of a film structure, compared with a spring probe, the structure is very stable and not easy to damage, particularly, the filter component is only in surface contact with the pressure-sensitive conducting film 3, the pressure-sensitive conducting film 3 is difficult to damage, the service life of a test fixture is greatly ensured, and the pressure-sensitive conducting film 3 can be purchased at home and abroad, such as Japanese Xin Yue and Jia Xin Bonus new materials are produced.
When the filter assembly is measured, the filter assembly is firstly placed in the clamping space 5 on the pressure-sensitive conducting film 3, then the pressing piece 4 is controlled to move downwards to press the filter assembly before the pressing piece 4 and the pressure-sensitive conducting film 3, after the pressing piece 4 provides pressure, the pressed position of the pressure-sensitive conducting film 3 is conducted in the longitudinal direction, and the connection contact of the bottom surface of the filter assembly can be conducted and connected with the connection contact of the test circuit board 2, so that the filter assembly can be tested, the test is finished, the filter assembly has the advantages of simplicity and easiness in operation in test, strong signal stability, small overall size, convenience in carrying and transportation and low manufacturing cost. Provides feasibility for multi-station pipeline testing.
In this embodiment, the base 1 and the pressing piece 4 may be made of H62 copper, which has a strong conductive effect, effectively increases the overall grounding performance, and shields the through signal interference.
Further, the test circuit board 2 includes a circuit board body 201, the circuit board body 201 is disposed on the base body 1, and the electrical connection pin protrusions 202 are a plurality of and are all disposed on the circuit board body 201 and are higher than the upper surface of the circuit board body 201.
In this embodiment, the electrical connection pin protrusion 202 is disposed on the circuit board body 201 of the test circuit board 2, and the electrical connection pin protrusion 202 is welded with a copper foil with a thickness of 0.3-0.5 mm, so that the electrical connection pin protrusion is slightly higher than the upper surface of the circuit board body 201, thereby ensuring that the electrical connection pin protrusion 202 contacts with the pressure-sensitive conductive film 3 more stably, i.e. contacts with the filter assembly more stably.
Further, the base 1 has a receiving groove 101, and the test circuit board 2 and the pressure-sensitive conductive film 3 are disposed in the receiving groove 101, and two sides of the receiving groove 101 have a first wire receiving through groove 102 and a second wire receiving through groove 103, respectively.
In this embodiment, the housing 101 is disposed on the base 1, so that the test circuit board 2 and the pressure-sensitive conductive film 3 can be well protected, thereby further improving the stability of the device and avoiding the damage to the test circuit board 2 and the pressure-sensitive conductive film 3. The two sides of the accommodating groove 101 are respectively provided with a first wire-placing through groove 102 and a second wire-placing through groove 103, and the first wire-placing through groove 102 and the second wire-placing through groove 103 can be used for placing two signal wires connected with two ends of the test circuit board 2 so as to ensure that the signal wires can be protected.
Further, the pressure-sensitive adhesive tape dispenser further comprises a jig pressing plate 6, wherein the jig pressing plate 6 is arranged on the seat body 1 and is located above the accommodating groove 101, the jig pressing plate is provided with an exposing hole 601, the exposing hole 601 is located below the clamping space 5, the pressure-sensitive adhesive tape 3 is located below the jig pressing plate 6, and the pressure-sensitive adhesive tape 3 is exposed in the exposing hole 601.
In this embodiment, the jig pressing plate 6 is disposed on the seat body 1, so that the test circuit board 2 and the pressure-sensitive conductive film 3 can be well pressed, and the exposed hole 601 of the jig pressing plate 6 can expose the pressure-sensitive conductive film 3, so that not only can the filter component be ensured to be in contact with the pressure-sensitive conductive film 3 for performance test, but also the pressure-sensitive conductive film 3 can be protected, and the stability of the device is well improved.
Further, the base 1 has two mounting projecting strips 104, and further includes a mounting base 7, the mounting base 7 being provided on the mounting projecting strips 104, and the standing plate 8 being provided on the mounting base 7.
Further, a quick clamp 9 is also included, the quick clamp 9 is arranged on the vertical plate 8, and the hold-down piece 4 is arranged on the quick clamp 9.
In this embodiment, the mounting base plate 7 is disposed on the mounting raised strip 104, the vertical plate 8 is disposed on the mounting base plate 7, and the quick clamp 9 is mounted on the vertical plate 8, and the setting of the quick clamp 9 can realize that the filter assembly can be stably tested on the jig without the help of manpower, and can also ensure that the input, output, control circuit and ground are well contacted at the same time, so as to ensure the stability of the test.
Further, the riser 8 has a first adjustment elongated hole 801, the quick clamp 9 is mounted in the first adjustment elongated hole 801, the mounting plate 7 has a second adjustment elongated hole 701, and the riser 8 is mounted in the second adjustment elongated hole 701.
In this embodiment, the quick clamp 9 is installed in the first adjusting elongated hole 801, and the vertical plate 8 is installed in the second adjusting elongated hole 701, so that the quick clamp 9 can be adjusted in both the Y axis and the Z axis directions, the force can be ensured just when the quick clamp is pressed down, the device can be well contacted with the conductive film and the test board, the deformation of the device housing can not be generated, and meanwhile, the online test at the limit temperature of-55 to +125 ℃ becomes feasible.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (7)
1. The ultra-narrow band surface acoustic wave filter component test fixture is used for testing a filter component and is characterized by comprising
A base body (1),
A test circuit board (2), wherein the test circuit board (2) is arranged on the base body (1),
A pressure-sensitive conducting film (3), wherein the pressure-sensitive conducting film (3) is arranged on the test circuit board (2),
And the pressing piece (4) is movably arranged above the pressure-sensitive conducting film (3), and is close to or far away from the pressure-sensitive conducting film (3) after moving, and a clamping space (5) for placing the filter component is formed between the pressing piece (4) and the pressure-sensitive conducting film (3).
2. The ultra-narrow band surface acoustic wave filter assembly test fixture according to claim 1, wherein the test circuit board (2) comprises
A circuit board body (201), wherein the circuit board body (201) is arranged on the base body (1),
The circuit board comprises a circuit board body (201) and a plurality of electric connection pin bulges (202), wherein the electric connection pin bulges (202) are arranged on the circuit board body (201) and are higher than the upper surface of the circuit board body (201).
3. The ultra-narrow band surface acoustic wave filter assembly test fixture according to claim 1, wherein the base (1) is provided with a containing groove (101), the test circuit board (2) and the pressure-sensitive conducting film (3) are both arranged in the containing groove (101), and two sides of the containing groove (101) are respectively provided with a first wire placing through groove (102) and a second wire placing through groove (103).
4. The ultra-narrow band surface acoustic wave filter assembly test fixture of claim 3, further comprising
A jig pressing plate (6), wherein the jig pressing plate (6) is arranged on the base body (1) and is positioned above the accommodating groove (101), an exposing hole (601) is formed, the exposing hole (601) is positioned below the clamping space (5),
The pressure-sensitive conducting film (3) is located below the jig pressing plate (6), and the pressure-sensitive conducting film (3) is exposed in the exposing hole (601).
5. The testing jig for ultra-narrow band surface acoustic wave filter assembly according to claim 1, wherein the chassis (1) has two mounting ribs (104),
And also comprises
A mounting base plate (7), wherein the mounting base plate (7) is arranged on the mounting raised line (104),
And the vertical plate (8) is arranged on the mounting bottom plate (7).
6. The ultra-narrow band surface acoustic wave filter assembly test fixture of claim 5, further comprising
The quick clamp (9), the quick clamp (9) is arranged on the vertical plate (8), and the hold-down piece (4) is arranged on the quick clamp (9).
7. The testing jig for an ultra-narrow band surface acoustic wave filter assembly according to claim 6, wherein the standing board (8) has a first adjustment elongated hole (801), the quick clamp (9) is mounted in the first adjustment elongated hole (801),
The mounting base plate (7) is provided with a second adjusting strip hole (701), and the vertical plate (8) is mounted in the second adjusting strip hole (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322331243.0U CN220913169U (en) | 2023-08-29 | 2023-08-29 | Ultra-narrow band surface acoustic wave filter component test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322331243.0U CN220913169U (en) | 2023-08-29 | 2023-08-29 | Ultra-narrow band surface acoustic wave filter component test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220913169U true CN220913169U (en) | 2024-05-07 |
Family
ID=90908103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322331243.0U Active CN220913169U (en) | 2023-08-29 | 2023-08-29 | Ultra-narrow band surface acoustic wave filter component test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220913169U (en) |
-
2023
- 2023-08-29 CN CN202322331243.0U patent/CN220913169U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220913169U (en) | Ultra-narrow band surface acoustic wave filter component test fixture | |
| CN214041644U (en) | Radio frequency testing device, circuit board and terminal | |
| CN107389984B (en) | Working method of high-power transistor test fixture | |
| CN203479845U (en) | Microwave amplifier test socket | |
| CN210956937U (en) | Filter module and AFU antenna | |
| CN116626472A (en) | Microwave millimeter wave PCB welding-free test fixture | |
| CN216217697U (en) | Switching device | |
| CN213068911U (en) | Amplifier test switching device | |
| US5597982A (en) | Electrical connection structure | |
| CN104124534A (en) | Hybrid antenna, stamping element, and method for manufacture hybrid antenna | |
| CN212907991U (en) | Filter | |
| CN210071876U (en) | Microstrip film isolator test fixture | |
| CN203825117U (en) | Surface-mounted surface acoustic wave test box | |
| CN111426860A (en) | Multi-type T/R component micro-strip plate batch test interconnection device | |
| CN219106525U (en) | Test fixture for radio frequency module packaged by patch | |
| CN214153152U (en) | Debugging clamp for dielectric ceramic filter | |
| CN219799552U (en) | Testing clamp for annular device | |
| KR100714569B1 (en) | Semiconductor ic tester | |
| CN219122259U (en) | Vertical resistance test fixture | |
| CN219145344U (en) | Test device | |
| CN216926870U (en) | Test fixture of frequency conversion module | |
| CN111129665A (en) | Movable lead wire for flexibly interconnecting columnar lead wire of microwave device and substrate | |
| CN217879502U (en) | Radio frequency electronic product testing device | |
| CN219016511U (en) | Chip type load radio frequency test carrier | |
| CN219320339U (en) | Communication module test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |