Broadband matrix radio frequency switch and radio frequency calibration test system
By designing a broadband matrix RF switch and an RF calibration and testing system, the RF channels of the integrated test instrument were expanded, the problem of insufficient ports was solved, the testing cost was reduced, and the testing efficiency and accuracy were improved.
Patent Information
- Application Number
- CN202423177645.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing integrated testers have limited ports and cannot meet the automated testing needs of multi-band, multi-antenna port RF terminal products, leading to increased testing costs.
Design a broadband matrix RF switch and RF calibration comprehensive test system. The input and output ports are connected through multiple RF switch paths to expand the RF channels of the comprehensive test instrument. Multi-level switch modules are constructed using the same type of RF switch integrated circuit to realize port expansion.
It effectively solved the problem of insufficient ports, reduced testing costs, improved testing efficiency and accuracy, reduced manual operations, and saved testing time and space resources.
Smart Images
Figure CN223599839U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to radio frequency terminal test technical field especially relates to a wideband matrix radio frequency switch and radio frequency calibration comprehensive measurement system. BACKGROUND
[0002] The port of the comprehensive tester on the market is only 8, and the increasingly complex multi-frequency band, multi-antenna port radio frequency terminal product board end test cannot satisfy the condition that more than 8 ports are measured by a single instrument. UTILITY MODEL CONTENTS
[0003] The utility model discloses at least one of the technical problems in the prior art is solved, and for this purpose, the utility model provides a wideband matrix radio frequency switch and radio frequency calibration comprehensive measurement system, which can expand the radio frequency channel of the comprehensive tester and reduce the test cost.
[0004] In one aspect, the utility model embodiment provides a wideband matrix radio frequency switch, which comprises:
[0005] Input port, the number is a plurality, and each input port is used for connecting the corresponding output port of comprehensive tester;
[0006] Output port, the number of output port is more than the input port;
[0007] Multiway radio frequency switch path, and the input end of each radio frequency switch path is connected with the corresponding input port, and the output end of the multiway radio frequency switch path is connected with a plurality of output ports.
[0008] According to some embodiments of the utility model, the radio frequency switch path comprises a first switch module, a second switch module and a third switch module, the input end of each first switch module is connected with an input port, the output end of each first switch module is connected with the input end of a plurality of second switch modules in cascade, and the output end of each third switch module is connected with an output port, and the input end of each third switch module is connected with the output end of a plurality of second switch modules in cascade.
[0009] According to some embodiments of the utility model, the number of second switch modules is 4.
[0010] According to some embodiments of the utility model, the first switch module, the second switch module and the third switch module all adopt the radio frequency switch integrated circuit of the same model.
[0011] According to some embodiments of the present application, the model of the radio frequency switch integrated circuit is QPC6044.
[0012] According to some embodiments of the present application, the number of input ports is 4.
[0013] According to some embodiments of the present application, the number of output ports is 16.
[0014] In another aspect, the present application provides a radio frequency calibration comprehensive measurement system, comprising the broadband matrix radio frequency switch.
[0015] According to some embodiments of the present application, the number of broadband matrix radio frequency switches is one or more.
[0016] According to some embodiments of the present application, the radio frequency calibration comprehensive measurement system further comprises a comprehensive tester, and a plurality of output ends of the comprehensive tester are respectively connected to a plurality of input ports of the broadband matrix radio frequency switch.
[0017] The present application has at least the following advantages:
[0018] The connection between the input port and the output port is realized through the multi-path radio frequency switch, the radio frequency channel of the comprehensive tester can be expanded, the broadband matrix radio frequency switch can effectively solve the problem of few ports of the comprehensive tester, and the test cost is reduced.
[0019] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0020] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:
[0021] Figure 1 A principle block diagram of the radio frequency calibration comprehensive measurement system of the present application;
[0022] Figure 2 An internal schematic diagram of the broadband matrix radio frequency switch of the present application;
[0023] Figure 3 An internal principle schematic block diagram of the broadband matrix radio frequency switch of the present application;
[0024] Figure 4 A circuit principle diagram of the first switch module and the second switch module of the broadband matrix radio frequency switch of the present application;
[0025] Figure 5The circuit principle diagram of one of the third switch modules of the broadband matrix radio frequency switch is provided.
[0026] Reference signs:
[0027] The broadband matrix radio frequency switch 100, the first switch module 110, the second switch module 120, the third switch module 130, the comprehensive tester 200 and the upper computer 300. DETAILED DESCRIPTION
[0028] The embodiments of the present application are described below in detail, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application.
[0029] In the description of the present application, the meaning of "several" is one or more, the meaning of "multiple" is two or more, greater than, less than, more than, etc. are understood as not including the number, "above", "below", "within", etc. are understood as including the number. If there is a description of "first", "second", etc. is only used to distinguish the technical features for the purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.
[0030] In the description of the present application, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be broadly understood, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical solution.
[0031] Please refer to Figure 1 The present embodiment discloses a kind of radio frequency calibration comprehensive test systems, including broadband matrix radio frequency switch 100.Therein, the number of broadband matrix radio frequency switch 100 is one or more.In addition, radio frequency calibration comprehensive test system also includes comprehensive tester 200, and multiple output terminals of comprehensive tester 200 are respectively connected with the multiple input ports of broadband matrix radio frequency switch 100 corresponding connection, to carry out channel expansion to the output terminal of comprehensive tester 200.Therein, comprehensive tester 200 and broadband matrix radio frequency switch 100 can be connected with upper computer 300, to carry out test control by upper computer 300.
[0032] Please refer to Figure 2 Broadband matrix radio frequency switch 100 includes input port, output port and multiple radio frequency switch paths, and the number of input port is multiple (such as Figure 2 indicated port in mark A~D), each input port is used to connect the corresponding output port of comprehensive tester 200, output port (such asFigure 2 The number of the output ports is more than the number of the input ports, the input end of each radio frequency switch path is connected with the corresponding input port, and the output end of the multi-radio frequency switch path is connected with the multiple output ports. The connection between the input ports and the output ports is realized through the multi-radio frequency switch path, the number of the output ports is more than the number of the input ports, the radio frequency channel of the comprehensive tester 200 can be expanded, the wideband matrix radio frequency switch 100 can effectively solve the problem of the few ports of the comprehensive tester 200, and the test cost can be reduced.
[0033] Please refer to Figure 3 The radio frequency switch path includes a first switch module 110, a second switch module 120 and a third switch module 130, the input end of each first switch module 110 is connected with an input port, the output end of each first switch module 110 is connected with the input end of multiple second switch modules 120 in cascade, the output end of each third switch module 130 is connected with an output port, and the input end of each third switch module 130 is connected with the output end of multiple second switch modules 120 in cascade. For example, the number of the radio frequency switch path is 4, the 4 radio frequency switch paths are numbered as A, B, C and D in sequence, and the number of the input ports is also 4, and the 4 input ports are named as port A, port B, port C and port D. Taking the radio frequency switch path numbered as A as an example, Figure 4 The circuit principle diagram of the first switch module 110 and the 4 second switch modules 120 is shown in FIG. 1, wherein the first switch module 110 has 4 output ends, the 4 output ends are connected with the 4 second switch modules 120 respectively, and each second switch module 120 is numbered as A1, A2, A3 and A4 in sequence. Similarly, for the radio frequency switch path numbered as B, each second switch module 120 is numbered as B1, B2, B3 and B4 in sequence, and the same is true for the other radio frequency switch paths. Figure 5The circuit schematic of one of the third switch modules 130 is shown in the middle. The number of the third switch modules 130 is 16. The 16 third switch modules 130 are divided into 4 groups. Each group has 4 third switch modules 130, which correspond to the RF switch paths numbered A, B, C and D respectively. The number of the output ports is 16, which are named port #A1, port #A2, port #A3, …, port #A16 in sequence. Take port #A1 as an example. The port #A1 is connected with the output end of one of the third switch modules 130. The third switch module 130 has 4 input ends, which are connected with one of the output ends of the module A1 (marked as A1-5), one of the output ends of the module B1 (marked as B1-14), one of the output ends of the module C1 (marked as C1-14) and one of the output ends of the module D1 (marked as D1-5) respectively. The modules C1 and D1 are one of the second switch modules 120 under the RF switch paths numbered C and D respectively. In order to facilitate the design and reduce the cost, the first switch module 110, the second switch module 120 and the third switch module 130 all use the same type of RF switch integrated circuit. Specifically, the type of the RF switch integrated circuit is QPC6044.
[0034] In some application examples, the RF calibration comprehensive test system includes the comprehensive tester 200 and two wideband matrix RF switches 100. The comprehensive tester 200 has 8 output ends, which are numbered #1~#8. The wideband matrix RF switch 100 has 4 input ends and 16 output ends. In this way, the 8 output ends of the comprehensive tester 200 can be expanded into 32 output ends, which are numbered #1~#32. The host computer 300 is connected with the comprehensive tester 200 and the two wideband matrix RF switches 100 through USB ports respectively, so as to control the test. The host computer 300 controls the wideband matrix RF switch 100 to switch the test ports numbered #1~#32 to the test ports of the comprehensive tester 200 in sequence. At the same time, the host computer 300 controls the comprehensive tester 200 to complete the test of the RF parameters of the measured object. Through system networking, 3 comprehensive testers 200 can be saved, which has obvious advantages in cost and machine space.
[0035] In the 12-port mobile phone RF test scene, only once the 12 RF ports of the mobile phone are connected to the corresponding ports of the wideband matrix RF switch 100 through RF cables. The host computer 300 controls the comprehensive tester 200 and the wideband matrix RF switch 100 to automatically complete the test of the RF indicators. In this way, the following can be achieved:
[0036] 1) One connection, automatic completion of the test of the RF indicators.
[0037] 2), reduce the intensity of labor, reduce test time, improve production efficiency.
[0038] 3), the wideband matrix RF switch 100 built-in matching load, idle port is automatically connected to the matching load, to ensure the accuracy and consistency of test results.
[0039] 4), the test results automatically generate test report.
[0040] The wideband matrix RF switch 100 can effectively solve the contradiction between the fewer ports of the comprehensive tester 200 and the gradually increasing ports of the measured piece, and can effectively solve the problem of low utilization rate of the instrument (comprehensive tester 200). According to the instrument measurement time and the time of manually connecting the measured piece, a plurality of stations are configured with one instrument, the instrument is used in time sharing mode, the utilization efficiency of the instrument is improved, the production cost is reduced, and good economic benefits are brought.
[0041] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A broadband matrix radio frequency switch, characterized by The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch.
2. The wideband matrix radio frequency switch of claim 1, wherein, The application relates to a wideband matrix radio frequency switch.
3. The wideband matrix radio frequency switch of claim 2, wherein, The application relates to a wideband matrix radio frequency switch.
4. The wideband matrix radio frequency switch according to claim 2 or 3, characterized in that, The application relates to a wideband matrix radio frequency switch.
5. The wideband matrix radio frequency switch of claim 4, wherein, The application relates to a wideband matrix radio frequency switch.
6. The wideband matrix radio frequency switch of claim 1, wherein, The application relates to a wideband matrix radio frequency switch.
7. The wideband matrix radio frequency switch according to any of claims 1 to 3, 5 or 6, characterized in that, The application relates to a wideband matrix radio frequency switch.
8. A radio frequency calibration metrology system, comprising: The application relates to a wideband matrix radio frequency switch.
9. The radio frequency calibration metrology system of claim 8, wherein, The application relates to a wideband matrix radio frequency switch.
10. The radio frequency calibration metrology system of claim 8 or 9, wherein, The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch. The application relates to a wideband matrix radio frequency switch.