Radio frequency module test fixture and system

Abstract

The utility model provides a radio frequency module test fixture and system. The fixture comprises a module jointed board, an adapter board, a USB serial port board, a USB HUB, a shielding box, a signal machine and a radio frequency antenna. More than two module placement seats are arranged on the module jointed board; the module jointed board is connected to the USB serial port board through the adapter board; the USB serial port board is connected with the USB HUB; the USB HUB is respectively connected with the upper computer and the signal machine arranged in the shielding box; and the signal machine is also connected with the radio frequency antenna arranged outside the shielding box. According to the utility model, the comprehensiveness and efficiency of testing can be improved, and the testing cost can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of radio frequency module testing technology, specifically to radio frequency module testing fixtures and systems. Background Technology

[0002] Due to technological advancements and market demands, RF modules are continuously shrinking in size to meet the limitations of miniaturized devices. As RF modules become increasingly smaller, the difficulty of their testing also continues to rise.

[0003] Existing technologies for RF module RF function testing mainly fall into two categories:

[0004] (1) Test using test fixtures via electrical connection;

[0005] Under this testing scheme, the RF module needs to be equipped with test pins. However, as the modules become smaller and smaller, space becomes increasingly limited, making it inconvenient to assemble test pins. The RF module has its own antenna, which does not fully utilize the advantages of the RF module itself. RF test sockets are required, which will increase the cost of the module. Only one RF module can be tested at a time, and manual switching to connect to the next RF module is required, which is inefficient and cumbersome. Adding test equipment requires adding test personnel, which is costly.

[0006] (2) Use instruments and equipment to conduct tests;

[0007] The testing process of this test plan requires the module to be in test mode, and the module is easily affected by external interference; at the same time, the module also needs to be placed in a shielded box or shielded room for testing; all of these will increase the investment in the production line and increase the cost of the module. Utility Model Content

[0008] The technical problem to be solved by this utility model is to provide a test fixture and system for radio frequency modules, which can not only improve the comprehensiveness and efficiency of testing, but also reduce testing costs.

[0009] To solve the above-mentioned technical problems, the first technical solution adopted by this utility model is as follows:

[0010] The RF module test fixture includes: a module panel, an adapter board, a USB serial port board, a USB hub, a shielded box, a signal generator, and an RF antenna; the module panel is provided with two or more module mounting bases;

[0011] The module panel is connected to the USB serial port board via the adapter board; the USB serial port board is connected to the USB hub; the USB hub is connected to the host computer and the signal generator located inside the shielded box; the signal generator is also connected to the radio frequency antenna located outside the shielded box.

[0012] Optionally, the signal controller includes a wireless communication chip, a first programmable serial port IC, a first power supply IC, and an RF connector;

[0013] The first programmable serial port IC is connected to the USB HUB, the first power IC, and the wireless communication chip respectively; the wireless communication chip is also connected to the first power IC and the RF connector respectively.

[0014] Optionally, the first programmable serial port IC includes a first USB adapter J5, a first TVS diode protection circuit, and a programmable USB chip U2;

[0015] The first USB adapter J5 is connected to the USB HUB; the first USB adapter J5 is also connected to the programmable USB chip U2 via the first TVS diode protection circuit; the programmable USB chip U2 is also connected to the power IC and the wireless communication chip respectively.

[0016] Optionally, the first power supply IC is a controllable 5V to 3.3V power supply IC.

[0017] Optionally, the USB serial port board includes a second power supply IC and a second programmable serial port IC;

[0018] The second programmable serial port IC is connected to the adapter board, the second power IC, and the USB HUB, respectively.

[0019] Optionally, the second programmable serial port IC includes a second USB adapter J5, a second TVS diode protection circuit, and a programmable USB chip U501;

[0020] The second USB adapter J5 is connected to the USB HUB; the second USB adapter J5 is also connected to the programmable USB chip U501 via the second TVS protection circuit; the programmable USB chip U501 is also connected to the second power IC and the adapter board respectively.

[0021] Optionally, the USB serial port board further includes a voltage divider control circuit; the CTS control pin of the second programmable serial port IC is connected to the second power supply IC via the voltage divider control circuit.

[0022] Optionally, the second power supply IC is a controllable 5V to 3.3V power supply IC.

[0023] Optionally, the module assembly plate is provided with module mounting seats distributed in a 6*4 matrix.

[0024] The second technical solution adopted in this utility model is:

[0025] A radio frequency module testing device includes a host computer and the aforementioned radio frequency module testing fixture.

[0026] The beneficial effects of this utility model are as follows: First, by modularizing multiple RF modules under test, multiple modules under test can be placed in place at once, eliminating the hassle of frequently replacing RF modules under test and significantly improving testing efficiency. Second, by using an adapter board to bring out all interfaces of all RF modules under test for functional testing, it is possible to perform RF function testing on the RF modules and also add testing on the GPLO port function of the RF modules, improving the comprehensiveness of the testing. Furthermore, based on the signal controller located in the shielded box, the antenna coupling test method is used for RF function testing, which not only eliminates the need for RF test sockets and test pins, reducing the cost of RF modules, but also the signal controller, which replaces the test instruments, uses a domain name serial testing method, eliminating the need to build a special shielded room or reducing the number of shielded boxes, thereby achieving the effect of reducing testing costs. Attached Figure Description

[0027] Figure 1 This is a schematic diagram showing the structural composition and connection of a radio frequency module test fixture provided in Embodiment 1 of this utility model;

[0028] Figure 2 This is a schematic diagram showing the distribution of module mounting seats on the module assembly plate in a preferred embodiment of this utility model;

[0029] Figure 3 This is a schematic diagram of the test interface of the host computer in a preferred embodiment of this utility model;

[0030] Figure 4 This is a schematic diagram of the circuit structure of the signal device in Embodiment 2 of this utility model;

[0031] Figure 5 This is a schematic diagram of the circuit structure in Embodiment 2 of this utility model;

[0032] Figure 6 This is a schematic diagram illustrating the process of radio frequency module testing using the radio frequency module testing fixture in Embodiment 2 of this utility model.

[0033] Label Explanation:

[0034] 1. Module panel; 2. Adapter board; 3. USB serial port board; 4. USB hub; 5. Shielding box;

[0035] 6. Signal ignition; 7. Radio frequency antenna;

[0036] 10. Host computer. Detailed Implementation

[0037] To illustrate in detail the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this utility model, the following detailed description is provided in conjunction with the listed specific embodiments and accompanying drawings. The embodiments described herein are merely illustrative of the technical solutions of this utility model and are therefore intended to limit the scope of protection of this utility model.

[0038] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0039] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0040] In the description of this utility model, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" logical relationship.

[0041] In this invention, terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy, or order between these entities or operations.

[0042] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this invention is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a series of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0043] Similar to the understanding in the Examination Guidelines, in this utility model, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments of this utility model, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0044] In the description of the embodiments of this utility model, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the convenience of describing the specific embodiments of this utility model or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.

[0045] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this utility model, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this utility model pertains, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.

[0046] Please refer to Figure 1 Embodiment 1 of this utility model is as follows:

[0047] like Figure 1 As shown, this embodiment provides a radio frequency module test fixture, including: a module panel 1, an adapter board 2, a USB serial port board 3, a USB HUB 4, a shielding box 5, a signal generator 6, and a radio frequency antenna 7; the module panel is provided with two or more module mounting seats;

[0048] The module panel 1 is connected to the USB serial port board 3 via the adapter board 2; the USB serial port board 3 is connected to the USB HUB 4; the USB HUB 4 is connected to the host computer 10 and the signal generator 6 located inside the shielded box 5; the signal generator 6 is also connected to the radio frequency antenna 7 located outside the shielded box 5.

[0049] In this embodiment, the module panel has multiple module mounting bases for placing the RF modules under test (DUTs). Each module mounting base establishes a serial port connection with the DUT via a pin. This module panel allows multiple DUTs to be placed in place at once, and subsequent testing sequentially of the DUTs connected to the panel. This effectively solves the problems of existing technologies that can only test one module at a time, requiring frequent replacements, resulting in cumbersome operations and low efficiency, thus greatly improving testing efficiency.

[0050] The aforementioned adapter board is used to connect the pins of all module mounting bases on the module assembly board to a USB serial port board, thereby enabling the interfaces of all RF modules under test to be brought out for corresponding functional testing. Specifically, existing RF module test fixtures can only test the RF function of the module, while in this embodiment, by bringing out all interfaces, including the GPLO interface, through the adapter board, the GPLO interface function of the RF module can also be tested simultaneously. This prevents the module's function from being affected by GPLO short circuits or poor soldering, achieving a more comprehensive test of the RF module.

[0051] The USB serial port board is a programmable USB serial port board used to connect the serial ports brought out by the adapter board to the USB HUB. Together with the adapter board and the USB HUB, it forms a serial communication bridge between the RF module under test and the host computer, and also provides power to the adapter board and the USB HUB.

[0052] The USB HUB is a USB hub with multiple USB interfaces that can connect to multiple USB serial ports brought out by a USB serial port board. This allows all the USB serial ports of the RF modules connected to the USB serial port board to be connected to other devices, such as a host computer and a signal controller, thereby enabling serial communication between all RF modules and the host computer and signal controller.

[0053] The aforementioned signal generator is used to perform radio frequency function tests on the radio frequency module under test.

[0054] In some specific embodiments of this example, the module mounting seats on the module panel are distributed in a matrix and correspond to the distribution of the RF modules under test displayed on the test interface in the host computer. That is, each module mounting seat in the first row of the module panel corresponds one-to-one with the first row of RF modules under test displayed on the test interface from left to right, and the second, third, and fourth rows also have a one-to-one correspondence.

[0055] As a preferred example, such as Figure 2 As shown, the module assembly board has module mounting bases arranged in a 6*4 matrix, and the corresponding test interface in the host computer is as follows. Figure 3 As shown.

[0056] The advantages of doing this are: 1. Clearly identify which RF module each USB serial port corresponds to; this facilitates efficient judgment of whether the module and adapter board are making good contact when debugging the fixture; 2. Through the correspondence, the test results of each RF module on the module panel can be intuitively confirmed. For example, if a red (failure) box is displayed on the interface, its position can be used to quickly identify which module in the module panel failed the test; 3. It is convenient to conduct tests on each module one by one on the host computer via the serial port number, such as testing them one by one from top to bottom (first row to fourth row) and from left to right.

[0057] The connection process for the RF module test fixture described in this embodiment before conducting RF module testing is as follows:

[0058] The module panel is placed on the test rack, and the pins of the module panel are connected to the adapter board; the USB serial port board is connected to the serial port in the adapter board, and the USB connector of the USB serial port board is connected to the USB HUB; the USB connector of the USB HUB is connected to the USB interface of the host computer.

[0059] Place the signal controller in the signal shielding box, and plug the signal controller's USB interface into the USB adapter inside the signal shielding box; connect the signal controller's radio frequency signal to the radio frequency adapter inside the shielding box via a radio frequency cable; connect the USB adapter outside the signal shielding box to the USB HUB via a USB extension cable; connect the radio frequency adapter outside the signal shielding box to the radio frequency antenna via a radio frequency cable.

[0060] The working principle of the RF module test fixture described in this embodiment for conducting RF module testing is as follows:

[0061] Connect the corresponding number of RF modules under test to the module mounting bases on the module panel; power on the fixture system; after receiving the test start command, the host computer tests each RF module under test on the module panel one by one according to the serial port number and obtains the corresponding test results.

[0062] The testing principle for a single serial port number, i.e., a single RF module under test, is as follows: The host computer calls a specific serial port number and starts the corresponding test program; the RF module corresponding to that serial port number is powered on and begins to work; the RF module interacts with the host computer through a communication link built on an adapter board, a serial port board, and a USB hub. The RF module uploads its serial port data to the host computer, which then detects the serial port data, especially testing the functionality of the GPLO port; simultaneously, the host computer also enables a signal generator via the USB hub to perform RF function tests on the RF module under test. The signal generator then feeds back the received RF signals to the host computer via the USB hub; the host computer obtains the test results for the corresponding RF module (including interface and RF functions) and displays the results on the interface by marking the corresponding boxes (e.g., green for passing and red for failing).

[0063] The RF module test fixture provided in this embodiment can significantly improve test efficiency and reduce test costs. More importantly, it can also test all interface functions of the module under test, improving the comprehensiveness of the test.

[0064] Please refer to Figure 4 and Figure 5 Embodiment two of this utility model is as follows:

[0065] This embodiment is a further extension of the first embodiment described above, and the structure of its signal generator and USB serial port board is explained in detail.

[0066] like Figure 4 As shown, the signal controller in this embodiment includes a wireless communication chip ( Figure 4 The U3 circuit structure in the first programmable serial port IC) Figure 4 The U2 circuit structure in the first power supply IC) Figure 4 The U1 circuit structure in the circuit includes a radio frequency connector; wherein the first programmable serial port IC is connected to the USB HUB, the first power IC, and the wireless communication chip respectively; the wireless communication chip is also connected to the first power IC and the radio frequency connector respectively.

[0067] The wireless communication chip is used to perform radio frequency function tests according to radio frequency test instructions;

[0068] The first programmable serial port IC is used to transmit serial commands issued by the host computer to the wireless communication chip;

[0069] The first power IC is used to provide power to the first programmable serial port IC and the wireless communication chip;

[0070] The radio frequency connector, as a directional antenna, is used to transmit radio frequency signals under the control of the wireless communication chip.

[0071] In some specific implementations, such as Figure 4 As shown, the first programmable serial port IC specifically includes a first USB adapter J5, a first TVS diode protection circuit, and a programmable USB chip U2; the first USB adapter J5 is connected to the USB HUB; the first USB adapter J5 is also connected to the programmable USB chip U2 via the first TVS diode protection circuit; the programmable USB chip U2 is also connected to the power supply IC and the wireless communication chip respectively.

[0072] The first programmable serial port IC is connected to the USB HUB through its first USB adapter J5 to establish a communication relationship with the host computer; the first TVS diode protection circuit provides overvoltage protection; and the programmable USB chip U2 enables data transmission control.

[0073] In some specific embodiments, the first power supply IC is a controllable 5V to 3.3V power supply IC to convert the input voltage into a voltage usable by the signal device.

[0074] In this embodiment, the signal controller is actually a transmitter structure with a beacon. During the radio frequency function test, the signal controller transmits a beacon, which is received by the radio frequency module under test and compared with a pre-stored beacon. Only if they match can a communication relationship be established with the transmitter. For other useless signal modules, the signal controller will not process them, thereby improving the accuracy of the radio frequency function test.

[0075] like Figure 5 As shown, the USB serial port board in this embodiment specifically includes a second power supply IC ( Figure 5 The U500 circuit structure and the second programmable serial port IC (in the text) Figure 5 (U501 circuit structure in the middle); the second programmable serial port IC is connected to the adapter board, the second power supply IC and the USB HUB respectively.

[0076] The second power IC is used to provide power to the USB serial port board;

[0077] The second programmable serial port IC is used to transmit the serial port information brought out from the adapter board to the USB HUB.

[0078] In some specific embodiments, the USB serial port board further includes a voltage divider control circuit; the CTS control pin of the second programmable serial port IC is connected to the second power supply IC via the voltage divider control circuit. Optionally, as... Figure 5As shown, the voltage divider control circuit includes resistors R506 and R511 connected in series.

[0079] The CTS control pin is a signal input pin of the second programmable serial port IC, used to determine whether the serial port can receive data. If the receiving signal is low, it means that the serial port does not receive data; if it is high, it means that data is received.

[0080] In some specific implementations, such as Figure 5 As shown, the second power supply IC includes resistors R508, R509, and R510 to achieve precise control of the output voltage.

[0081] In some specific implementations, such as Figure 5 As shown, the second programmable serial port IC includes a second USB adapter J5, a second TVS diode protection circuit, and a programmable USB chip U501; the second USB adapter J5 is connected to the USB HUB; the second USB adapter J5 is also connected to the programmable USB chip U501 via the second TVS diode protection circuit; the programmable USB chip U501 is also connected to the second power IC and the adapter board respectively.

[0082] The second programmable serial port IC is connected to the adapter board through the serial port of its programmable USB chip U501, and the serial port data of the adapter board is brought out. Then, the data is transmitted to the USB HUB via the second USB adapter J5 and sent to the host computer. The second TVS diode protection circuit provides overvoltage protection.

[0083] In some specific embodiments, the second power supply IC is a controllable 5V to 3.3V power supply IC, which converts the input voltage to a voltage usable by the USB serial port board.

[0084] Combination Figure 6 The simplified flowchart illustrates the process of RF module testing using the RF module testing fixture described in this embodiment:

[0085] S1: System powered on;

[0086] The fixture can be powered via a USB hub, which has a 12V / 2A input power supply.

[0087] S2: Upon power-up, all serial ports are initialized, and the CTS control pin of the USB serial port board outputs a low level; the CTS control pin is connected to the enable pin of the second power IC; the output voltage of the second power IC is zero, and the RF module under test is not working.

[0088] S3: The host computer receives the start test command triggered by its test button, and starts testing from the first RF module in the first row of the top left corner, and so on, from left to right, until the test of the last RF module in the bottom right corner is completed.

[0089] S4: The CTS control pin of the USB serial port board outputs a high level, and the enable pin of the second power IC on the USB serial port board is also high. The power supply provides power to the RF module under test through the connection line, while other RF modules are not powered.

[0090] S5: After the RF module under test is powered on, it begins to search for RF signals. When the beacon emitted by the signal controller matches the beacon stored in the module itself, the RF module establishes a wireless RF communication bridge with the signal controller.

[0091] S6: The RF module under test exchanges data with the signal transmitter. The signal transmitter transmits the signal strength value received from the RF module and the frequency error value of the RF module to the RF module. The RF module stores these two values ​​in its register. At the same time, the RF module also parses the signal strength value received from the signal transmitter, which corresponds to the receiving sensitivity of the RF module.

[0092] S7: The RF module transmits these three values, namely the "signal strength value received from the RF module" and the "frequency error value of the RF module" sent by the signal receiver, and the "signal strength value received from the signal receiver" solved by itself, to the host computer.

[0093] S8: The host computer compares the values ​​set in the program to obtain the values ​​of transmit power, receive sensitivity and frequency error; if all three values ​​are within the range set in the program, the test is qualified; execute S10; otherwise, return to execute S6, which can be repeated three times. If the test values ​​are still not within the range set in the program, execute S9.

[0094] S9: The host computer displays a failure message, and at the same time, the host computer displays the box corresponding to the RF module in red on the interface to indicate that the RF module test has failed; proceed to S10.

[0095] S10: The host computer displays a success message, and at the same time, the host computer displays the box corresponding to the RF module in the interface in green, indicating that the RF module has passed the test; proceed to S11.

[0096] S11: The host computer exits the test of the current RF module. The CTS control pin of the USB serial port board outputs a low level, and the power supply to the RF module is turned off accordingly.

[0097] S12: The host computer automatically starts testing the next RF module based on the serial port number, starting from S4, until all RF modules have been tested.

[0098] The RF module test fixture provided in this embodiment can test multiple RF modules sequentially at once, improving the testing efficiency of RF modules; it uses a signal transceiver that costs thousands of times less than dedicated test instruments to achieve the corresponding RF testing functions, and there is no need to build a shielded room, which can greatly reduce the investment cost of testing; in particular, the test fixture only supplies power to the RF module currently being tested, thereby avoiding signal interference between modules; at the same time, the signal transceiver and the RF module under test establish a communication connection based on a beacon, which can effectively shield the interference of other useless signals, ensure the accuracy of the connection, and thus improve the accuracy of the test.

[0099] Example 3

[0100] This embodiment, based on Embodiment 1 or Embodiment 2 above, provides an RF module testing device, including a host computer and the RF module testing fixture described in Embodiment 1 or Embodiment 2 above. The specific structure of the RF module testing fixture will not be repeated here; please refer to the description in Embodiment 1 or Embodiment 2 above for details.

[0101] The host computer can be a computer, tablet, or other device with the ability to send control commands and display a screen.

[0102] This embodiment provides an RF module testing device that allows multiple RF modules under test to be placed in one go and tested sequentially through a modular assembly of fixtures, eliminating the hassle of frequently changing RF modules under test and significantly improving testing efficiency. The fixture's adapter board brings out all interfaces of all RF modules under test and connects them to a host computer for functional testing. This not only performs RF function testing on the RF modules but also adds testing of the GPLO port function, improving the comprehensiveness of the testing. The fixture is based on a signal transceiver housed in a shielded box and uses an antenna coupling test method for RF function testing. This not only eliminates the need for RF test sockets and test pins, reducing the cost of RF modules, but also uses a domain-based serial testing method instead of test instruments, eliminating the need for a specially constructed shielded room or reducing the number of shielded boxes, thereby achieving the effect of reducing testing costs. Furthermore, the fixture only supplies power to the RF module currently being tested, thereby avoiding signal interference between modules; at the same time, the signal transceiver and the RF module under test establish a communication connection based on a beacon, which can effectively shield interference from other useless signals, ensure the accuracy of the connection, and thus improve the accuracy of the test.

[0103] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A radio frequency module test fixture, comprising: The application relates to a radio frequency module test fixture. The radio frequency module test fixture comprises a module assembling plate, an adapter plate, a USB serial port plate, a USB HUB, a shielding box, a signal machine and a radio frequency antenna. The module assembling plate is provided with two or more module installation seats. The module assembling plate is connected to the USB serial port plate via the adapter plate; the USB serial port plate is connected with the USB HUB; the USB HUB is connected with an upper computer and the signal machine arranged in the shielding box; the signal machine is further connected with the radio frequency antenna arranged outside the shielding box.

2. The RF module test fixture of claim 1, wherein The signal machine comprises a wireless communication chip, a first programmable serial port IC, a first power supply IC and a radio frequency connector. The first programmable serial port IC is connected with the USB HUB, the first power supply IC and the wireless communication chip; the wireless communication chip is further connected with the first power supply IC and the radio frequency connector.

3. The RF module test fixture as described in claim 2, characterized in that, The first programmable serial port IC comprises a first USB adapter J5, a first TVS tube protection circuit and a programmable USB chip U2. The first USB adapter J5 is connected with the USB HUB; the first USB adapter J5 is further connected with the programmable USB chip U2 via the first TVS tube protection circuit; the programmable USB chip U2 is further connected with the power supply IC and the wireless communication chip.

4. The RF module test fixture as described in claim 2, characterized in that, The first power supply IC is a controllable 5V-to-3.3V power supply IC.

5. The RF module test fixture of claim 1, wherein the RF module test fixture is configured to test the RF module by applying a signal to the RF module and measuring a response of the RF module to the signal. The USB serial port plate comprises a second power supply IC and a second programmable serial port IC. The second programmable serial port IC is connected with the adapter plate, the second power supply IC and the USB HUB.

6. The RF module test fixture of claim 5, wherein the RF module test fixture further comprises a plurality of RF probes, each of the plurality of RF probes being configured to electrically couple to a respective one of the plurality of RF modules. The second programmable serial port IC comprises a second USB adapter J5, a second TVS tube protection circuit and a programmable USB chip U501. The second USB adapter J5 is connected with the USB HUB; the second USB adapter J5 is further connected with the programmable USB chip U501 via the second TVS tube protection circuit; the programmable USB chip U501 is further connected with the second power supply IC and the adapter plate.

7. The RF module test fixture of claim 5, wherein the RF module test fixture further comprises a plurality of RF probes, each of the plurality of RF probes being configured to electrically couple to a respective one of the plurality of RF modules. The USB serial port plate further comprises a voltage division control circuit; a CTS control pin of the second programmable serial port IC is connected with the second power supply IC via the voltage division control circuit.

8. The RF module test fixture of claim 5, wherein the RF module test fixture further comprises a plurality of RF probes, each of the plurality of RF probes being configured to electrically couple to a respective one of the plurality of RF modules. The second power supply IC is a controllable 5V-to-3.3V power supply IC.

9. The RF module test fixture as described in claim 1, characterized in that, The module assembling plate is provided with 6*4 matrix distributed module installation seats.

10. A radio frequency module test apparatus, comprising: The radio frequency module test fixture comprises an upper computer and the radio frequency module test fixture according to any one of claims 1 to 9.

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