Filter test multifunctional plate clamp
By designing a filter testing multi-functional board fixture, the problem of low testing efficiency in existing technologies has been solved, and reliable connection of signal interfaces and accurate testing of radio frequency signals have been achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU GUOQIANG YUXING ELECTRONIC TECH CO LTD
- Filing Date
- 2025-05-16
- Publication Date
- 2026-05-05
AI Technical Summary
The lack of simple and reliable filter test fixtures in the existing technology leads to low testing efficiency.
A multi-functional board fixture for filter testing was designed, comprising components such as a PCB board, reinforcing ribs, signal interfaces, coaxial connectors, and microstrip lines, to achieve electrical connection and signal processing, ensuring reliable signal access and accurate testing.
By reinforcing the PCB board, stable signal interface connections are ensured, and RF signals are processed through filters, improving the reliability and accuracy of testing.
Smart Images

Figure CN224203255U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter testing technology, and in particular to a multifunctional board fixture for filter testing. Background Technology
[0002] This technology primarily involves the electrical connection of a filter test board, the input of digital and power signals, and the acquisition of radio frequency (RF) signal outputs. The filter test board includes an RF output port, a high-speed signal interface, and a power interface. Currently, there are no suitable test fixtures available in existing technologies, requiring manual wiring for testing, which results in low testing efficiency.
[0003] Therefore, there is an urgent need to propose a multi-functional filter test board fixture that is simple in structure and reliable in testing. Utility Model Content
[0004] To address the aforementioned problems, the purpose of this utility model is to provide a multi-functional board fixture for filter testing. The technical solution adopted by this utility model is as follows:
[0005] A multi-functional filter test board fixture is electrically connected to a filter test board. The filter test board is provided with an RF output port, a high-speed signal interface, and a power interface. It includes a PCB board mounted on the filter test board, a first reinforcing rib fixed to the PCB board, several power-on signal interfaces and digital signal interfaces mounted on the first reinforcing rib, and a filter fixture mounted on the PCB board. The power-on signal interfaces are connected to the power interface of the filter test board; the digital signal interfaces are connected to the high-speed signal interface of the filter test board.
[0006] The filter fixture includes a filter mounting plate fixed on a PCB board, a first coaxial connector, a first microstrip line, a filter, a second microstrip line, and a second coaxial connector disposed on the filter mounting plate and connected in sequence, and a fixture assembly disposed on the filter mounting plate and clamping and mounting the filter; the first coaxial connector is connected to the RF output port on the filter test board.
[0007] Furthermore, the clamp assembly includes a lower mounting base, a lower support base, and a filter mounting base arranged sequentially from bottom to top, a filter mounting slot formed in the filter mounting base, and an upper outer shell disposed on the outside of the lower mounting base, the lower support base, and the filter mounting base.
[0008] Furthermore, a radio frequency signal routing window is provided on the PCB board.
[0009] Furthermore, a second reinforcing rib is provided on the PCB board.
[0010] Compared with the prior art, the present invention has the following beneficial effects:
[0011] (1) By setting the first reinforcing rib and the second reinforcing rib, this utility model is used to strengthen the support of the PCB board, prevent its deformation from affecting the connection and contact of the power signal interface and the digital signal interface, and ensure the reliability of its signal access.
[0012] (2) This utility model provides power supply and digital signals by setting up an electrical signal interface and a digital signal interface, and connecting them to the high-speed signal interface and power interface of the filter test board.
[0013] (3) This utility model sets up a first coaxial connector, a first microstrip line, a filter, a second microstrip line and a second coaxial connector, and uses the DSF869 filter to filter the radio frequency signal output by the filter test board to ensure its test accuracy and reliability.
[0014] In summary, this utility model has the advantages of simple structure and reliable testing, and has high practical and promotional value in the field of filter testing technology. Attached Figure Description
[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope of protection. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0016] Figure 1 This is a structural schematic diagram of the present invention from a first angle.
[0017] Figure 2 This is a structural schematic diagram of the present invention from a second angle.
[0018] Figure 3 This is a schematic diagram of the first angle of the filter clamp in this utility model.
[0019] Figure 4 This is a schematic diagram of the second angle of the filter clamp in this utility model.
[0020] Figure 5 This is a structural schematic diagram of the lower mounting base, lower support base, and filter mounting base from the first angle in this utility model.
[0021] Figure 6 This is a structural schematic diagram of the lower mounting base, lower support base, and filter mounting base from a second angle in this utility model.
[0022] In the above figures, the component names corresponding to the reference numerals are as follows:
[0023] 1. PCB board; 2. First reinforcing rib; 3. Power-on signal interface; 4. Digital signal interface; 5. Second reinforcing rib; 6. Filter fixture; 11. RF signal trace window; 601. Filter mounting plate; 602. First coaxial connector; 603. Second coaxial connector; 604. First microstrip line; 605. Second microstrip line; 606. Lower mounting base; 607. Lower support base; 608. Filter mounting base; 609. Filter; 610. Upper housing. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of this application clearer, the present invention will be further described below with reference to the accompanying drawings and embodiments. The embodiments of this utility model include, but are not limited to, the following embodiments. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.
[0025] In this embodiment, the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.
[0026] The terms "first" and "second," etc., used in the specification and claims of this embodiment are used to distinguish different objects, not to describe a specific order of objects. For example, "first target object" and "second target object," etc., are used to distinguish different target objects, not to describe a specific order of target objects.
[0027] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.
[0028] In the description of the embodiments in this application, unless otherwise stated, "multiple" means two or more. For example, multiple processing units means two or more processing units; multiple systems means two or more systems.
[0029] like Figures 1 to 6 As shown, this embodiment provides a multi-functional filter test board fixture that is electrically connected to a filter test board. The filter test board includes an RF output port, a high-speed signal interface, and a power interface.
[0030] In this embodiment, the filter test multi-functional board fixture includes a PCB board 1 mounted on a filter test board, a first reinforcing rib 2 and a second reinforcing rib 5 fixed on the PCB board 1, several power-on signal interfaces 3 and digital signal interfaces 4 mounted on the first reinforcing rib 2, and a filter fixture 6 mounted on the PCB board 1. The power-on signal interfaces 3 are connected to the power interface of the filter test board, the digital signal interfaces 4 are connected to the high-speed signal interface of the filter test board, and the RF output port of the filter test board is connected to the filter fixture 6. An RF signal trace window 11 is provided on the PCB board 1 to facilitate the passage of RF connection cables.
[0031] In this embodiment, the filter fixture 6 includes a filter mounting plate 601 fixed on the PCB board 1, a first coaxial connector 602, a first microstrip line 604, a filter 609, a second microstrip line 605, and a second coaxial connector 603 sequentially connected to the filter mounting plate 601, and a fixture assembly disposed on the filter mounting plate 601 to clamp and mount the filter 609. The first coaxial connector 602 is connected to the RF output port on the filter test board. The fixture assembly includes a lower mounting base 606, a lower support base 607, and a filter mounting base 608 sequentially arranged from bottom to top, a filter mounting slot formed within the filter mounting base 608, and an upper outer shell 610 disposed on the outside of the lower mounting base 606, lower support base 607, and filter mounting base 608. Here, the filter 609 is disposed through the lower mounting base 606, lower support base 607, and filter mounting base 608 via electrical connection posts, and is electrically connected to the first microstrip line 604 and the second microstrip line 605.
[0032] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any changes made based on the design principles of this utility model, or any non-creative changes made on this basis, shall fall within the scope of protection of this utility model.
Claims
1. A multi-functional filter test board fixture, electrically connected to a filter test board; the filter test board is provided with an RF output port, a high-speed signal interface, and a power interface, characterized in that, The filter test board includes a PCB board (1) mounted on the filter test board, a first reinforcing rib (2) fixed on the PCB board (1), several power-on signal interfaces (3) and digital signal interfaces (4) mounted on the first reinforcing rib (2), and a filter fixture (6) mounted on the PCB board (1); the power-on signal interfaces (3) are connected to the power interface of the filter test board; the digital signal interfaces (4) are connected to the high-speed signal interface of the filter test board. The filter fixture (6) includes a filter mounting plate (601) fixed on the PCB board (1), a first coaxial connector (602), a first microstrip line (604), a filter (609), a second microstrip line (605), and a second coaxial connector (603) arranged on the filter mounting plate (601) and connected in sequence, and a fixture assembly arranged on the filter mounting plate (601) for clamping and mounting the filter (609); the first coaxial connector (602) is connected to the RF output port on the filter test board.
2. The filter testing multifunctional board fixture according to claim 1, characterized in that, The clamp assembly includes a lower mounting base (606), a lower support base (607), and a filter mounting base (608) arranged sequentially from bottom to top, a filter mounting slot formed in the filter mounting base (608), and an upper outer shell (610) disposed on the outside of the lower mounting base (606), the lower support base (607), and the filter mounting base (608).
3. A multi-functional filter testing board fixture according to claim 1 or 2, characterized in that, A radio frequency signal trace window (11) is provided on the PCB board (1).
4. A multi-functional filter testing board fixture according to claim 1 or 2, characterized in that, A second reinforcing rib (5) is provided on the PCB board (1).