211 results about "Rf testing" patented technology

The invention relates to the technical field of semiconductor testing, in particular to a radio frequency testing bonding pad and a radio frequency testing structure. The radio frequency test pad comprises a substrate; the connection supporting layer is located on the substrate, and the connection supporting layer comprises a metal layer; the connection ports are located on the connection supporting layer, and the connection ports comprise a grounding port and a signal port; the grounding port is conductively connected through the metal layer; the signal port and the metal layer are not conductive. The signal port and the metal layer are arranged to be non-conductive, so that potential difference between the signal port and a structure below is avoided, parasitic capacitance is inhibited, and the accuracy of radio frequency testing is further improved.

The utility model discloses a vector signal comprehensive test module, which consists of an internal reference clock and a VCO (Voltage Controlled Oscillator), and the reference clock has an internal and external switching function. The VCO adopts a multi-output phase adjustable device and provides local oscillation signals for the two RFICs and the six frequency conversion circuits respectively. The two RFICs are connected in parallel, and an external coherent local oscillator is provided by the VOC, so that the coherence of the two RFICs is realized. The microwave frequency conversion circuit realizes the frequency expansion function of the RFIC, expands two-path emission frequency and four-path reception frequency from tens of MHz to 9KHz, has four radio frequency test functions of vector signal generation, vector signal analysis, vector network analysis and vector transceiver, and realizes the multifunctional and multi-scene application capability of the comprehensive test instrument.

The invention relates to an intelligent detection method and device based on an upper computer, computer equipment and a medium, and the method comprises the steps: receiving a test instruction, obtaining the historical use data of test equipment, judging whether to trigger a maintenance prompt or not according to the historical use data, and triggering a chip test instruction if the state of the test equipment is normal; performing power-on detection on the to-be-tested chip based on the chip test instruction, reading firmware version information of the to-be-tested chip, and generating a radio frequency test instruction under the condition that the firmware version information is matched; executing a radio frequency test according to the radio frequency test instruction, judging whether the to-be-tested chip triggers a parameter compensation program or not according to test data, ending the test when the to-be-tested chip does not need to be compensated or after compensation is completed, and generating a test result; and analyzing a test result, if the test is passed, recording and uploading test data to the MES system, and updating historical use data of the test equipment at the same time. The method has the effect of improving the chip production quality.

The invention discloses a control system of integrated radio frequency test equipment. The control system comprises a comprehensive scheduling control platform, a radar special test control unit, a satellite navigation special test control unit, a data transmission test special test control unit, a first interface control panel, a second interface control panel and a third interface control panel, the comprehensive dispatching control platform is used for operation control of man-machine interaction and input and output of control signals; the radar special measurement control unit is used for receiving a transmitting signal of the radar and generating a radar target echo signal of a radio frequency band based on the transmitting signal of the radar; the satellite navigation special test control unit is used for simulating a satellite navigation signal and forwarding the satellite navigation signal to the satellite navigation receiver in real time; and the data transmission test special test control unit is used for converting the radio frequency signal into an intermediate frequency signal and converting the transmitted instruction signal into the intermediate frequency signal. The flexible and extensible control system and method for loose coupling between the modules are provided, and the testing efficiency and the stability of the testing system are improved.

The invention discloses a method, equipment and medium for automatically testing the sensitivity of a broadband radio frequency system, and relates to the technical field of broadband radio frequency testing, and the method comprises the steps: starting a testing process, and coordinating a plurality of calibration equipment and equipment to be tested in a wireless network in the same testing time slot, synchronously sampling spectrum data of each calibration device through an air interface and processing the spectrum data into a noise distribution parameter set; and dynamically adjusting the output power of the vector signal generator and synchronously monitoring the bit error rate change according to the received power predicted value until the difference value between the bit error rate and a preset target bit error rate threshold value meets a convergence condition, recording the received power value during convergence as a sensitivity test result, and generating a test report. By generating the high-precision dynamic noise map and calculating the compensation transmitting power calibration value, accurate sensing and active compensation of the space noise of the test environment can be realized.

The invention discloses a chip packaging test production line performance control method based on reinforcement learning, and relates to the technical field of quantum regulation and control, and the method comprises the steps: generating a joint state vector; inputting the joint state vector into a pre-trained reinforcement learning strategy model, and when a high-risk state is detected, triggering a causal intervention mark, and generating a frequency band reservation instruction, a forced forbidden instruction set and a quantum regulation and control instruction set; transmitting a frequency band reservation instruction, a forcible forbidding instruction set and a quantum regulation and control instruction set to a radio frequency test machine and chip packaging equipment through a communication interface, distributing a low-load test channel, forbidding a high-risk channel and adjusting temperature and pressure; and collecting test data of the chip function test, verifying the compliance of the test data, and generating a qualification report. According to the method, intelligent sensing and causal reasoning of the running state of the chip packaging test production line are realized through the reinforcement learning strategy model and the causal rule map.

The application discloses a kind of test system and method of radio frequency module, belong to product test technical field.System includes: multiple host computers respectively control multiple test equipment on multiple radio frequency modules to be tested placed and open radio frequency test mode;Multiple-port radio frequency test instrument is detected by multiple test ports respectively multiple radio frequency modules in radio frequency test mode The radio frequency data generated by multiple radio frequency modules, and multiple radio frequency data generated by multiple radio frequency modules are sent to multiple host computers respectively;Multiple host computers according to multiple radio frequency data generated by multiple radio frequency modules, multiple test information corresponding to multiple radio frequency modules are sent to server device;Server device generates multiple radio frequency module placement instruction according to multiple test information, and sends multiple radio frequency module placement instruction to pick-and-place device;Pick-and-place device according to multiple radio frequency module placement instruction, multiple radio frequency modules are classified and placed, multiple radio frequency modules are realized parallel automated test, and test efficiency is improved.

The invention is suitable for the technical field of chip testing, and provides a radio frequency multi-station testing system which comprises electromagnetic shielding glass, a metal plate protective cover and an operation interface which are integrally assembled and formed. A feeding device and a testing device are sequentially mounted in the metal plate protective cover; the feeding device comprises a first bearing plate; integrated bins are sequentially mounted on the surface of the first bearing plate; the integrated stock bin comprises a recycling bin, a feeding bin, an NG chip storage bin and an OK chip storage bin. A plurality of trays are arranged in the integrated stock bin; according to the device, through cooperative use of all the parts, under the condition that radio frequency testing and direct current testing of chips and modules are stable, automatic feeding and discharging are achieved, the chips for testing OK and NG are automatically sorted and independently stored, meanwhile, testing of various types of chips and modules is met, and the overall testing and carrying efficiency of the chips is improved.

A radio frequency conduction test method and a test system are provided. The test method includes: moving a radio frequency test probe to a first pad of a board so as to allow a test signal on the first pad to be transmitted to the radio frequency test probe and then transmitted to a radio frequency test instrument for a radio frequency conduction test, where the test signal in the radio frequency test probe is transmitted to the radio frequency test instrument via an impedance conversion apparatus and a directional coupler, a straight-through output port of the directional coupler is connected to a first measurement port of the radio frequency test instrument, and a coupling output port of the directional coupler is connected to a second measurement port of the radio frequency test instrument.

The invention discloses a radio frequency test socket and electronic equipment. The radio frequency test socket provided by the invention comprises a first electric contact component and an impedance module, the first electric contact component is connected with the input end of the radio frequency test seat; the impedance module is arranged on the first electric contact component, and the impedance module is in contact with the first electric contact component; wherein the impedance module is used for attenuating signal power input from the input end of the radio frequency test socket.

The utility model discloses a multifunctional test device which comprises a rack, an index plate arranged in the rack and a plurality of object carrying modules, and a feeding and discharging station, a first test station and a second test station are arranged in the rotation direction of the index plate. The first test station comprises an RF test device, a first SIM card plugging device arranged on the RF test device, and a first jacking module which is arranged below the index plate and pushes the loading module upwards to realize die assembly of the loading module and the RF test device; the second test station comprises an ICT test device, a second SIM card plugging device arranged on the ICT test device, and a second jacking module which is arranged below the index plate and pushes the loading module upwards to realize die assembly of the loading module and the ICT test device. According to the utility model, three tests can be completed on two test stations, the overall structure is simple, the design is compact, and the occupied space is small.

The invention discloses a plugboard replaceable radio frequency module structure, and particularly relates to the technical field of test equipment, the plugboard replaceable radio frequency module structure comprises a radio frequency mainboard used for radio frequency test, a radio frequency module and a radio frequency test machine slot, the radio frequency module is fixed on the outer side of the radio frequency mainboard, a floating cavity is formed in the surface of one side of the radio frequency module, and the floating cavity is communicated with the radio frequency test machine slot. The interior of the floating cavity is slidably connected with a first bunched radio frequency interface, and one side of the inner wall of the radio frequency testing machine slot is fixedly connected with a second bunched radio frequency interface. According to the invention, rapid module replacement is realized, an operation handle is rotated to synchronously trigger mechanical locking, electromagnetic adsorption and pneumatic interface crimping, locking and air pressure adjustment are formed to maintain constant contact force of a radio frequency interface, an electric interface is preferentially separated through pressure relief during unlocking so as to avoid arc damage, and a polytetrafluoroethylene coating reduces signal interference and mechanical wear. Finally, efficient replacement of the test module and connection reliability of vibration and impact resistance are achieved, and the measurement precision and the measurement stability of the radio frequency test system are remarkably improved.

The invention provides a testing head and a testing method thereof, and the testing head comprises a pedestal which is made of a conductive material and is provided with a first through hole; the sleeve is made of a conductive material, and one end of the sleeve penetrates through the first through hole and is connected with the base; the connecting port is formed at the other end of the sleeve; the transmission line is arranged in the sleeve, one end of the transmission line forms a contact in the connecting port, and the other end of the transmission line penetrates out of the first through hole and extends out by a preset length; the at least two supporting legs are made of conductive materials, one end of each supporting leg is rotatably connected with the base, and the other end of each supporting leg is in a spine shape. By using the test head provided by the invention, the debugging efficiency of the radio frequency test is improved.

The invention discloses a frequency mixer test method, and relates to the technical field of microwave radio frequency test, and the method comprises the following steps: S1, building a test platform; s2, calibrating the test platform; s3, testing indexes; and according to the received reflection signal and standing wave signal, port isolation test, frequency conversion loss test, port standing wave test and output 1dB compression point test are carried out on the mixer to be tested, and a test curve of each index is drawn after the test is completed. According to the method, all key indexes of the mixer can be tested at different power frequency points through one-time calibration, meanwhile, standing wave testing of the LO port under high power can be achieved, the testing efficiency and accuracy are greatly improved, and the technical problems that in the prior art, multiple times of calibration are needed in the testing process, and the testing efficiency is low are solved.

The invention provides a control method and a control device of a radio frequency signal detection device and detection equipment, relates to the technical field of radio frequency, and discloses the control method of the radio frequency signal detection device, which comprises the following steps: acquiring a preset signal parameter; controlling the to-be-tested radio frequency transmitter to work according to the test setting parameters so as to enable the to-be-tested radio frequency transmitter to emit a first radio frequency signal, and adjusting the first radio frequency signal according to the preset signal parameters to obtain a second radio frequency signal; outputting the second radio frequency signal to a radio frequency test board, and obtaining a first receiving error rate output by the radio frequency test board; and determining whether the radio frequency transmitter to be tested is qualified or not according to the first receiving error rate. According to the invention, a radio frequency test instrument is not needed, the signal quality of the radio frequency emission signal can be tested, and the test cost and difficulty are reduced.

The present application discloses a test fixture and a radio frequency test system. The test fixture includes a carrier. The carrier is provided with at least one first test terminal and at least one second test terminal. The first test terminal is used to dock with the third test terminal of the device under test in a one-to-one correspondence, and the second test terminal is used to dock with the fourth test terminal of the test equipment. At least part of the first test terminal is connected to at least part of the second test terminal to establish a radio frequency transmission channel between the device under test and the test equipment. The test fixture is connected to the device under test and the test equipment respectively by docking, which is easy to disassemble and assemble, and the replacement cycle is shorter, thereby improving the efficiency of radio frequency testing.

The utility model discloses a fixture for a 5G chip radio frequency test. The fixture comprises a test base, a first start button, a second start button, a scram button, a flatness sensor, a profiling positioning groove, a translation guide rail, a translation cylinder, a translation frame, a pressure head, a pressure head cylinder, a code reading assembly and a controller. Through the above mode, the clamp for the 5G chip radio frequency test greatly improves the production efficiency and the test accuracy and stability, thereby improving the production yield, reducing the labor intensity of workers, reducing the production cost, and improving the test safety.

The invention provides a radio frequency automatic test system and method. The radio frequency automatic test system comprises a control device, a signal generator and a signal detector, wherein the signal generator and the signal detector are connected with the control device; wherein a serial port module and a driving module are arranged in the control equipment; the driving module is used for packaging and sending a packaged test program to the signal generator, the signal detector and the frequency conversion equipment to be detected through the serial port module; the signal generator is used for providing an input signal for the to-be-detected frequency conversion equipment according to the test program; the signal detector is used for detecting test data output by the to-be-detected frequency conversion equipment and sending the test data to the control equipment; and the control equipment is also used for recording and displaying the test data. According to the invention, the automation degree of the radio frequency test can be improved, and the flexibility and efficiency of the test are improved.

The present invention discloses an ultra-wideband coaxial interconnect structure, which belongs to the field of microwave radio frequency technology and solves the problems of cumbersome installation, risk of mis-insertion and limited high-frequency performance caused by the special-shaped pairing of traditional interfaces. Its innovation lies in the combination of an Ω-shaped rectangular coaxial transmission line and a SU-8 photoresist dielectric support to achieve efficient connection between circular / rectangular coaxial and waveguides without male-female distinction. The elastic buffer in the middle section of the Ω-like structure can absorb the deformation of the inner conductor during plugging and unplugging, thereby improving mechanical stability and durability. Cavity structures are set at both ends of the interface to suppress parasitic coupling, and the protruding design of the inner conductor enhances electrical contact, ensuring impedance matching and signal integrity in the high-frequency band. The structure supports multi-form interconnection, and has demonstrated excellent radio frequency performance in actual measurements from DC to 110 GHz. The theoretical upper limit is 300 GHz, and it is adaptable to multiple interfaces, has low loss and simple assembly advantages. It is particularly suitable for high-frequency testing and packaging scenarios, providing a reliable and low-loss system solution for ultra-wideband heterogeneous interconnection, significantly reducing operational complexity and improving system reliability.

The utility model relates to the technical field of wireless communication and radio frequency testing, and particularly discloses a short wave emission and antenna feeder system on-line detection device which comprises a front end detection module, a rear end detection module, a concentrator and a monitoring platform, and the front end detection module comprises a bi-directional coupler, a power measurement module, an acquisition module and a communication transmission module. According to the technical scheme, forward and reverse power of the output end of the transmitter and the input end of the antenna are measured on line through the front-end detection module and the rear-end detection module, working states of the transmitter, a transmission feeder line and the antenna are monitored in real time, an alarm can be given in time when a fault occurs, a platform is monitored in real time to record measurement data, and transmitting power query and backtracking functions are achieved. By analyzing and comparing the data, soft faults such as performance reduction of equipment can be found, workers can be reminded of timely processing, full-band forward and reverse power of an antenna end is measured in a frequency scanning mode, a full-band standing wave curve of the antenna can be obtained, the optimal working frequency is selected according to the standing wave curve during working, and the communication quality is improved.

A calibration method for a radio frequency test fixture, the radio frequency test fixture comprising a test instrument and a shielding box, the test instrument having a first signal interface and a second signal interface, a fixing table provided in the shielding box, a coupling plate installed on the fixing table, a first connection point and a second connection point provided on the side wall of the shielding box, the second signal interface and the second connection point being connected via a third cable, and the second connection point and the coupling plate being connected via a fourth cable. The calibration method comprises the following steps: measuring the line loss of the entire loop, measuring the line loss of the fifth cable, measuring the sum of the line losses of the first cable and the second cable; and calculating the line loss of the radio frequency test fixture. The calibration method can significantly improve the efficiency of the calibration of the radio frequency test fixture, while significantly reducing the cost.

The invention discloses an LLM-based automatic test software rapid establishment system and method, electronic equipment and a storage medium, and the test software system comprises a script conversion system which is used for inputting a script matched with an SCPI and converting the script into a high-level language source code; the compiling system is used for compiling the high-level language source code into a dynamic link library; the large language model interaction system is stored in the large language model server, converts a declaration file corresponding to the radio frequency test instrument into Prompt, and reads and stores data returned by the large language model; the project processing system is developed, the blank template project is created, and the stored return data is written into the blank template project to obtain the project which can be used for executing the radio frequency test. According to the method and the device, the required script file is configured once, and the relevant function corresponding to the radio frequency test instrument can be permanently called to realize a specific function; the repeated process of looking up a user manual and writing codes again due to instrument replacement during the radio frequency automatic test is avoided.

The invention relates to the technical field of antenna testing, and discloses an antenna radio frequency and impedance testing system. The system comprises an antenna test template library, a flow chart integration unit and a test demand mapping unit. The antenna test template library stores a plurality of antenna type templates, and each template is associated with a radio frequency test flow chart containing radio frequency parameter processing nodes; the flow chart integration unit combines the radio frequency test flow charts of the antennas of the same type into an integrated radio frequency test flow chart; the test demand mapping unit obtains radio frequency and impedance test demands, selects a corresponding integrated radio frequency test flow chart based on radio frequency performance demands, and extracts a basic radio frequency test flow chart from the integrated radio frequency test flow chart based on impedance test demands. The system realizes standardized management and flexible calling of an antenna test process, promotes cooperative linkage of radio frequency and impedance tests, adapts to different test requirements and antenna types, and improves test efficiency and integrity.

The utility model discloses a radio frequency signal jig for a non-radio frequency test seat, which is characterized in that a tunable coupling plate is correspondingly arranged on the surface of an upper cover of the jig and at the projection position of an onboard antenna, and the area of the tunable coupling plate is adjusted to be the same as the projection area of the onboard antenna. And the distance between the tunable coupling plate and the onboard antenna is adjusted to be within a set distance range, and the load impedance of the radio frequency link is adjusted to be close to an impedance point by 50 ohms, so that the frequency response characteristic of the radio frequency signal is changed, impedance matching is realized, the anti-interference capability of the onboard measurement radio frequency signal is improved, and the mismeasurement proportion of a radio frequency modulation index is reduced. Besides, the tunable coupling plate is also connected with the impedance matching circuit, the inductance value or capacitance value of a tuning element in the impedance matching circuit is adjusted, the matching tuning impedance is replaced to enable the tunable coupling plate to be coupled and parasitic, and the impedance track of the radio frequency signal jig is moved to a 50-ohm matching point, so that better impedance matching is realized, and the impedance matching precision is improved. And the test precision and efficiency are further improved.

The invention discloses an ultra-wideband coaxial interconnection structure, belongs to the technical field of microwave radio frequency, and solves the problems of complicated installation, misplug risk and limited high-frequency performance caused by special-shaped pairing of traditional interfaces. The method is characterized in that an omega-like rectangular coaxial transmission line is combined with an SU-8 photoresist medium support to realize high-efficiency connection of circular / rectangular coaxial and waveguide without male and female distinguishing. The middle elastic buffer area of the omega-like structure can absorb the deformation of the inner conductor during plugging, thereby improving the mechanical stability and durability. Cavity structures are arranged at the two ends of the interface to suppress parasitic coupling, the protruding design of the inner conductor enhances electric contact, and high-band impedance matching and signal integrity are guaranteed. The structure supports multi-form interconnection, shows excellent radio frequency performance in actual measurement from DC to 110GHz, has the theoretical upper limit of 300GHz, is adaptive to various interfaces, and has the advantages of low loss and simple assembly. The method is particularly suitable for high-frequency testing and packaging scenes, provides a reliable and low-loss system solution for ultra-wideband heterogeneous interconnection, remarkably reduces the operation complexity and improves the system reliability.

The present disclosure relates to a radio frequency integrated socket, a printed circuit board, and a terminal device. The radio frequency integrated socket includes a coaxial seat stop and a radio frequency test seat stop. The coaxial seat stop and the radio frequency test seat stop are arranged along the direction in which the radio frequency integrated socket is inserted into the radio frequency integrated plug. An elastic component is provided with a concave structure on the side of the elastic component that is away from the direction in which the radio frequency integrated socket is inserted into the radio frequency integrated plug. The concave structure is recessed in the direction in which the radio frequency integrated socket is inserted into the radio frequency integrated plug. The concave structure is electrically connected to the radio frequency signal pad on the radio frequency integrated socket through the elastic component. When the elastic component is compressed to the coaxial seat stop, the contact area between the radio frequency integrated plug and the concave structure is smaller than the contact area between the radio frequency integrated plug and the concave structure when the elastic component is compressed to the radio frequency test seat stop. Through the technical solution of the present disclosure, the radio frequency integrated socket can be compatible with the functions of the coaxial seat and the radio frequency test seat.

Techniques for determining calibration data associated with a radio frequency (RF) testing environment are discussed herein. For example, an RF signal can be input to the RF enclosure and selectively applied to discrete attenuators. The attenuators can attenuate a strength of the signal and a signal strength can be measured by various user equipment (UEs) that are located within an RF enclosure. In some examples, a plurality of measured reference signal received power (RSRP) values can be determined by a plurality of UEs associated with a particular attenuation level. Different attenuation levels can be measured, and an average attenuation can be determined for attenuation steps. Measured attenuation steps can be extrapolated to other attenuation levels to expedite the calibration process. Then, a testing plan can be applied to the RF enclosure and the calibration data can be used to ensure accurate signals for testing UEs.

The present invention discloses a radio frequency test cable assembly with color markings, belonging to the field of microwave communication technology. It includes a housing, a radio frequency connector, a fixed bushing connecting the housing and the radio frequency connector, a coaxial cable, and a welding bushing. An armor made of a metal material is provided outside the coaxial cable, and the welding bushing is welded outside the armor of the coaxial cable. The fixed bushing is sleeved at the end of the coaxial cable, and threaded portions for connecting the radio frequency connector and the outer ring of the housing are provided at both ends. The housing is made of a metal material and is sleeved outside the fixed bushing. An identification ring for distinguishing the specifications of the radio frequency connector is provided on the outer surface of the housing, and each color of the identification ring corresponds to a specification of the port of a radio frequency test assembly. The present invention has good protection effect, firm connection, is not easily damaged, and is easy to distinguish the specifications of the radio frequency connector.

The application relates to the technical field of antenna testing, and discloses an antenna radio frequency and impedance testing system. The system comprises an antenna testing template library, a flowchart integration unit and a testing requirement mapping unit. The antenna testing template library stores various antenna type templates, each of which is associated with a radio frequency testing flowchart comprising a radio frequency parameter processing node; the flowchart integration unit combines the radio frequency testing flowcharts of the same type of antenna into an integrated radio frequency testing flowchart; and the testing requirement mapping unit obtains radio frequency and impedance testing requirements, selects a corresponding integrated radio frequency testing flowchart based on the radio frequency performance requirements, and extracts a basic radio frequency testing flowchart from the integrated radio frequency testing flowchart based on the impedance testing requirements. The system realizes standardized management and flexible calling of the antenna testing process, promotes the collaborative linkage of radio frequency and impedance testing, adapts to different testing requirements and antenna types, and improves the testing efficiency and completeness.