Auxiliary debugging tool for radio frequency power amplifier
Through the innovative design of positioning posts, push rods, and anti-detachment components, the problems of loose capacitor soldering, positional misalignment, and high temperature risks in the debugging of RF power amplifiers have been solved, achieving efficient and safe capacitor installation and rapid debugging.
Patent Information
- Application Number
- CN202423209534.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Existing RF power amplifiers are inefficient during commissioning. Loose capacitor soldering leads to positional misalignment, solder buildup affects commissioning efficiency and PCB integrity, and high-temperature operation poses safety risks.
The system employs a combination of positioning posts and push rods, with a positioning groove designed for a gradually changing width and an inner wall coated with adhesive. Combined with anti-detachment components and a heat insulation layer, it enables stable installation and rapid removal of capacitors, reducing the number of welding operations and high-temperature contact.
It improves the accuracy of capacitor installation and the smoothness of debugging, reduces operational risks, extends tool life, and enhances debugging efficiency and safety.
Smart Images
Figure CN223652462U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of radio frequency power amplifier equipment technology, and in particular to an auxiliary debugging tool for radio frequency power amplifiers. Background Technology
[0002] A radio frequency power amplifier (RFPA) is an electronic device used to amplify the power of radio frequency signals and is a key component in wireless communication systems. Its main function is to amplify radio frequency signals from low-power signal sources to a sufficient power level to drive antennas for effective signal transmission.
[0003] Radio frequency (RF) power amplifiers consist of capacitors and a PCB board. When debugging an RF power amplifier, the capacitors need to be soldered onto the PCB board. Through research, the inventors discovered that due to the excessively high temperature of the capacitors, debugging engineers often experience inefficiencies during installation. Utility Model Content
[0004] To improve the problem of low efficiency during the installation of RF power amplifiers, this application provides an auxiliary debugging tool for RF power amplifiers.
[0005] This application provides an auxiliary debugging tool for an RF power amplifier, which adopts the following technical solution:
[0006] An auxiliary debugging tool for an RF power amplifier includes a positioning post having a through channel and a positioning groove. The positioning groove is located at the front end of the positioning post and is used for partially embedding a capacitor. The through channel extends through the positioning post along its axial direction and is connected to the positioning groove. The tool also includes a push rod that slides through the through channel and is used to push out the capacitor embedded in the positioning groove.
[0007] Preferably, along the axial direction of the positioning post, the width of the positioning groove gradually increases from the end near the through channel to the end away from the through channel.
[0008] Preferably, the inner wall of the positioning groove is covered with an adhesive layer.
[0009] Preferably, the length of the push rod is greater than the length of the through channel; and / or, the inner diameter of the through channel is greater than the outer diameter of the push rod.
[0010] Preferably, the end of the positioning post away from the positioning groove is provided with an anti-detachment component, which is used to prevent the positioning post from detaching from both ends of the through channel.
[0011] Preferably, the anti-detachment component includes a limiting part, the outer diameter of which is larger than the inner diameter of the positioning groove.
[0012] Preferably, the outer peripheral surface of the limiting part is provided with a plurality of recesses and protrusions in sequence, and the plurality of recesses and protrusions are distributed alternately.
[0013] Preferably, the anti-detachment component further includes a spring, which is disposed between the limiting portion and the positioning post, and the spring always has the tendency to push the positioning post closer to the positioning groove.
[0014] Preferably, a set of springs is symmetrically provided on both sides of the push rod.
[0015] Preferably, the outer surface of the positioning post is covered with a heat insulation layer.
[0016] This utility model has the following advantages and beneficial effects:
[0017] The positioning posts ensure that the capacitor is stably embedded in the positioning slot, avoiding the positional displacement problems caused by poor soldering or solder residue during traditional debugging processes. This improves the accuracy of capacitor installation and the stability of matching and debugging. Furthermore, the through-channel design combined with the push rod allows for quick capacitor removal, eliminating the need for frequent soldering and solder cleaning, significantly improving debugging efficiency and reducing the workload of engineers.
[0018] Secondly, the gradually increasing width of the positioning slot along the axial direction makes capacitor insertion and removal smoother. This gradual width design not only naturally guides the capacitor into the positioning slot but also provides additional space for movement, effectively preventing capacitor jamming caused by dimensional tolerances or improper operation, further optimizing the smoothness and convenience of debugging.
[0019] Furthermore, the adhesive layer lining the inner wall of the positioning groove increases friction, enhancing the stability of the capacitor during adjustment. Simultaneously, the adhesive layer provides cushioning, reducing wear and damage between the capacitor and the positioning groove, thus extending the tool's lifespan. This design also improves adjustment safety to some extent, preventing capacitor displacement due to vibration or external forces.
[0020] The anti-slip mechanism and limiting device further ensure the reliability and durability of the tool's operation. The anti-slip mechanism prevents the positioning pin from accidentally disengaging from the through channel through a physical limiting method. The outer diameter of the limiting device is larger than the inner diameter of the positioning groove, ensuring that the positioning pin remains within a controllable range during debugging and avoiding debugging interruptions caused by slippage or damage. At the same time, this design enhances the overall rigidity and structural stability of the tool, making it suitable for high-frequency debugging scenarios.
[0021] In summary, the auxiliary debugging tool provided in this application significantly improves the operational efficiency, safety, and tool durability of RF power amplifier matching circuit debugging through its carefully designed positioning slots, through channels, push rods, and anti-detachment components, providing an efficient, convenient, and reliable solution for RF power amplifier debugging. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 These are structural illustrations of some embodiments of this application. Figure 1 ;
[0024] Figure 2 These are structural illustrations of some embodiments of this application. Figure 2 ;
[0025] Figure 3 These are partial cross-sectional views of some embodiments of this application;
[0026] Figure 4 These are schematic diagrams illustrating the use of some embodiments of this application.
[0027] The diagram is marked as follows:
[0028] 100. Positioning pin; 110. Through channel; 120. Positioning groove; 121. Adhesive layer; 200. Push rod; 300. Anti-detachment component; 310. Limiting part; 311. Recess; 312. Protrusion; 320. Spring. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0030] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.
[0031] In related technologies, an RF power amplifier is an electronic device used to amplify the power of RF signals and is a key component in wireless communication systems. Its main function is to amplify RF signals from low-power signal sources to a sufficient power level to drive the antenna for effective signal transmission, thereby achieving reliable signal coverage and efficient propagation. In wireless communication systems, RF power amplifiers typically include several core components, including a PCB (Printed Circuit Board) and components such as capacitors for signal power adjustment and matching. The proper design and tuning of these components directly affect the performance indicators of the RF power amplifier, such as output power, efficiency, linearity, and bandwidth.
[0032] In practical production and applications, the tuning of the matching circuit is essential for RF power amplifiers to achieve ideal performance specifications. The matching circuit achieves optimal input and output impedance matching by adjusting the capacitance and position of capacitors, thereby maximizing signal transmission efficiency. However, research has shown that tuning the matching circuit of RF power amplifiers often involves a significant workload. Specifically, tuning engineers need to repeatedly change and move capacitor positions or alter their capacitance values on the PCB board to achieve precise adjustments to the matching network. However, during this process, capacitors are typically soldered to the PCB board, requiring desoldering and resoldering of existing solder joints when adjustments are needed. As the number of soldering operations increases, solder gradually accumulates on the PCB board, making subsequent capacitor movement and resoldering difficult. This solder buildup not only affects tuning efficiency but can also negatively impact the integrity of the PCB board and the performance of the matching circuit.
[0033] Furthermore, during the commissioning of RF power amplifiers, capacitors typically have high surface temperatures due to power-on or soldering, especially under frequent desoldering and relocation. Capacitors may continue to operate in a heated environment. This heating not only inconveniences commissioning engineers but also poses a potential risk of burns. Simultaneously, the heat can cause engineers to misalign capacitors during PCB installation due to the heat, affecting the adjustment accuracy of the matching circuit and increasing the likelihood of repeated soldering, further reducing commissioning efficiency. These problems are prevalent in existing technologies and have not been effectively resolved, directly leading to low matching and commissioning efficiency for RF power amplifiers, making it difficult to meet the demands of modern communication equipment for efficient commissioning and rapid iteration.
[0034] Therefore, optimizing the matching and debugging process of RF power amplifiers, reducing the number of soldering operations, and improving debugging efficiency have become urgent technical problems to be solved in this field.
[0035] Based on this, embodiments of this application provide an auxiliary debugging tool for radio frequency power amplifiers. Please refer to... Figures 1-4 The tool includes a positioning post 100 and a push rod 200; wherein, the positioning post 100 has a through channel 110 and a positioning groove 120, the positioning groove 120 is located at the front end of the positioning post 100 and is used for partial embedding of the capacitor, the through channel 110 is opened through the positioning groove 120 along the axial direction of the positioning post 100, and the through channel 110 is connected to the positioning groove 120.
[0036] Meanwhile, the push rod 200 slides through the through channel 110 and is used to push out the capacitor embedded in the positioning groove 120. For example, the push rod 200 is straight and has a circular cross-section, and the through channel 110 also has a circular cross-section to facilitate the movement of the push rod 200 within the through channel 110.
[0037] Thus, by combining the positioning post 100 and the push rod 200, the efficiency and accuracy of RF power amplifier matching circuit debugging are significantly improved. The positioning post 100 has a positioning groove 120 at its front end for capacitor embedding, and a through channel 110 communicating with the positioning groove 120 is provided axially through the positioning post 100. This provides precise support and guidance for capacitor installation and positioning, avoiding matching debugging deviations caused by improper capacitor placement. The push rod 200 slides through the through channel 110, allowing the push rod 200 to push out the capacitor embedded in the positioning groove 120 through sliding action. This design effectively avoids the difficulties in capacitor movement and solder buildup caused by frequent soldering and desoldering during traditional debugging processes.
[0038] Furthermore, by employing mechanical assistance for capacitor installation and relocation, the frequency of direct contact between debugging engineers and high-temperature capacitors is reduced, thereby lowering the operational risks caused by high capacitor surface temperatures and improving safety during debugging. Simultaneously, the sliding ejection function of the push rod 200 simplifies capacitor removal, avoiding repeated debugging caused by capacitor displacement at high temperatures, further improving the debugging efficiency and accuracy of the matching circuit. The combined use of the positioning slot 120 and the push rod 200 not only ensures stable capacitor installation but also enables rapid and precise capacitor removal and replacement, reducing solder joint damage and solder buildup caused by repeated soldering on the PCB board, effectively extending the PCB board's lifespan and maintaining the overall performance stability of the matching circuit.
[0039] In summary, this application, through the innovative combination structure of the positioning post 100 and the push rod 200, significantly reduces the complexity of debugging the matching circuit of the RF power amplifier, improves the convenience and efficiency of capacitor adjustment, and solves the technical problems of solder accumulation, difficult operation and low debugging efficiency in the prior art, providing a safe, reliable and efficient solution for the efficient debugging of RF power amplifiers.
[0040] For example, along the axial direction of the positioning post 100, the width of the positioning groove 120 gradually increases from one end near the through channel 110 to the end away from the through channel 110. For example, the cross-sectional shape of the positioning groove 120 is trapezoidal. The gradual increase in the width of the positioning groove 120 creates a natural guiding and limiting effect, facilitating the smooth embedding of the capacitor into the positioning groove 120 during debugging, while reducing installation resistance caused by capacitor shape and size tolerances. In addition, the gradually increasing width provides more room for movement when removing the capacitor. Combined with the sliding action of the push rod 200, it can effectively prevent the capacitor from being difficult to remove due to excessive tight embedding, further improving the smoothness and efficiency of the debugging process. This design ensures stable installation of the capacitor while facilitating removal and replacement.
[0041] In some implementations, combined with Figure 3 , Figure 4An adhesive layer 121 is provided on the inner wall of the positioning groove 120. This increases the friction between the inner wall and the capacitor surface, effectively improving the stability of the capacitor within the positioning groove 120. This prevents capacitor position displacement due to vibration or external forces, ensuring the accuracy of the capacitor position during matching and debugging. Furthermore, the adhesive layer 121 also provides a buffering effect, reducing wear or damage that may be caused by direct contact between the capacitor and the inner wall of the positioning groove 120, extending the tool's lifespan, and further improving the safety and reliability of RF power amplifier matching circuit debugging. For example, the adhesive layer 121 is a high-temperature resistant double-sided adhesive, a type of double-sided adhesive tape with high-temperature resistance. It is typically composed of a high-performance substrate (such as polyimide, PET, etc.) and a high-temperature resistant adhesive (such as silicone, acrylic, etc.), maintaining good adhesion and stability in high-temperature environments. Furthermore, tapes using polyimide (PI) substrates can withstand temperatures of 200°C - 260°C, and some can withstand temperatures of up to 300°C for short periods, thus allowing capacitors in a heated state to be temporarily bonded to the positioning groove 120.
[0042] In some implementations, combined with Figure 3 , Figure 4 The length of the push rod 200 is greater than the length of the through channel 110; and / or, the inner diameter of the through channel 110 is greater than the outer diameter of the push rod 200. This design ensures that a portion of the push rod 200 always protrudes outside the through channel 110 when sliding within it. This design facilitates gripping and applying force without the need for additional tools, improving debugging efficiency and ease of operation. Simultaneously, the design of the through channel 110's inner diameter being greater than the push rod 200's outer diameter provides the push rod 200 with a certain amount of movement within the channel, reducing the risk of jamming due to manufacturing tolerances or thermal expansion. This loose design not only ensures smooth sliding of the push rod 200 but also accommodates, to some extent, any solder residue or other minor impurities that may exist within the through channel 110, preventing interference with the push rod 200's movement and further improving the tool's durability and lifespan. For example, in order to improve the smoothness of the movement of the push rod 200 within the through channel 110, a polytetrafluoroethylene layer is provided on the inner wall surface of the through channel 110.
[0043] In some implementations, combined with Figure 1 , Figure 2 The positioning post 100 has an anti-detachment component 300 at the end away from the positioning groove 120. The anti-detachment component 300 is used to prevent the positioning post 100 from detaching from the end of the through channel 110 near the positioning groove 120. For example, refer to Figure 3The anti-detachment component 300 includes a limiting part 310, the outer diameter of which is larger than the inner diameter of the positioning groove 120. This structural design further enhances the operational reliability and safety of the auxiliary debugging tool, effectively solving the problem that the positioning post 100 may accidentally detach from the positioning groove 120 during use. Specifically, the anti-detachment component 300, through physical limiting, prevents the positioning post 100 from detaching from the end of the through channel 110 near the positioning groove 120, thereby ensuring the stability and controllable sliding range of the positioning post 100 within the through channel 110, and avoiding debugging interruptions or tool damage due to the positioning post 100 accidentally sliding out.
[0044] Furthermore, the design of the limiting part 310 having an outer diameter larger than the inner diameter of the positioning groove 120 provides an additional protection mechanism when the capacitor is embedded in the positioning groove 120 and needs to be precisely ejected. Even if the force applied by the push rod 200 is large during operation, the limiting part 310 can limit the displacement range of the positioning post 100 through size matching, preventing the positioning post 100 from completely detaching from the through channel 110 or damaging the debugging device due to excessive sliding of the push rod 200 or external impact. In addition, the presence of the limiting part 310 also optimizes the structural rigidity of the tool to a certain extent, making the entire device more stable and reducing the loosening problems that may be caused by repeated operation.
[0045] This anti-detachment design is particularly suitable for frequent debugging scenarios in RF power amplifier matching circuits. While ensuring the structural integrity of the positioning post 100 and the through-channel 110, it also significantly improves the operational safety and durability of the debugging tool. Furthermore, this structure provides crucial protection for long-term, high-intensity use of the tool, avoiding debugging interruptions or tool replacement needs due to component slippage or damage. In summary, the anti-detachment component 300 effectively solves the risk of detachment and durability issues of the positioning post 100 and the through-channel 110 during high-frequency use, improving the continuity and efficiency of RF power amplifier matching debugging and extending the tool's lifespan.
[0046] In some implementations, combined with Figure 2 The outer peripheral surface of the limiting part 310 is provided with a plurality of recesses 311 and protrusions 312, which are staggered. This increases the friction between the recesses 311 and protrusions 312 and the engineer's hand when the limiting part is held, thereby improving stability during operation. For example, to further increase friction, a rubber layer 121 is provided on the outer surface of the limiting part 310.
[0047] In some implementations, reference is made to Figure 3 , Figure 4The anti-detachment component 300 also includes a spring 320, which is disposed between the limiting portion 310 and the positioning post 100. The spring 320 always tends to push the positioning post 100 towards the positioning groove 120. For example, one end of the spring 320 is connected to the surface of the limiting portion 310 near the positioning post 100, and the other end is connected to the surface of the positioning portion near the limiting portion 310. The extension direction of the spring 320 is parallel to the axial direction of the positioning post 100. Furthermore, when the spring 320 is in its maximum extension state, a portion of the push rod 200 is also within the through channel 110. This prevents the push rod 200 from easily moving out of the opening at the end of the through channel 110 away from the positioning groove 120 under the restraining action of the spring 320, ensuring that the push rod 200 remains stably within the through channel 110.
[0048] For example, a set of springs 320 are symmetrically provided on both sides of the push rod 200, which can improve the limiting ability of the push rod 200 and make the elastic force applied by the springs 320 to the push rod 200 more balanced.
[0049] In some embodiments, the outer surface of the positioning post 100 is covered with a heat insulation layer. For example, the heat insulation layer is made of either polyurethane foam or polystyrene. This reduces the temperature when the commissioning engineer holds the positioning post 100, improving operational comfort.
[0050] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.
Claims
1. An auxiliary debugging tool for an RF power amplifier, characterized in that, The device includes a positioning post (100), which has a through channel (110) and a positioning groove (120). The positioning groove (120) is located at the front end of the positioning post (100) and is used for partial embedding of a capacitor. The through channel (110) is opened through the positioning groove (120) along the axial direction of the positioning post (100), and the through channel (110) is connected to the positioning groove (120). It also includes a push rod (200) that slides through the through channel (110) and is used to push out a capacitor embedded in the positioning groove (120).
2. The auxiliary debugging tool for an RF power amplifier according to claim 1, characterized in that, Along the axial direction of the positioning post (100), the width of the positioning groove (120) gradually increases from one end near the through channel (110) to the end away from the through channel (110).
3. The auxiliary debugging tool for an RF power amplifier according to claim 1, characterized in that, The inner wall of the positioning groove (120) is covered with an adhesive layer (121).
4. The auxiliary debugging tool for an RF power amplifier according to claim 1, characterized in that, The length of the push rod (200) is greater than the length of the through channel (110); and / or, the inner diameter of the through channel (110) is greater than the outer diameter of the push rod (200).
5. The auxiliary debugging tool for an RF power amplifier according to claim 1, characterized in that, The positioning post (100) is provided with an anti-detachment component (300) at one end away from the positioning groove (120), and the anti-detachment component (300) is used to prevent the positioning post (100) from detaching from both ends of the through channel (110).
6. The auxiliary debugging tool for an RF power amplifier according to claim 5, characterized in that, The anti-detachment component (300) includes a limiting part (310), the outer diameter of which is larger than the inner diameter of the positioning groove (120).
7. The auxiliary debugging tool for an RF power amplifier according to claim 6, characterized in that, The outer peripheral surface of the limiting part (310) is provided with a plurality of recesses (311) and protrusions (312) in sequence, and the plurality of recesses (311) and protrusions (312) are distributed alternately.
8. The auxiliary debugging tool for an RF power amplifier according to claim 6, characterized in that, The anti-detachment component (300) also includes a spring (320), which is disposed between the limiting part (310) and the positioning post (100). The spring (320) always has the tendency to push the positioning post (100) closer to the positioning groove (120).
9. The auxiliary debugging tool for an RF power amplifier according to claim 8, characterized in that, The springs (320) are symmetrically arranged on both sides of the push rod (200).
10. An auxiliary debugging tool for an RF power amplifier according to claim 8, characterized in that, The outer surface of the positioning post (100) is covered with a heat insulation layer.