115 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 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 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 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 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 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 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.

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 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.

1. Name of this product design: Radio Frequency Test Head. 2. Purpose of this design: To be installed on a test fixture for testing the conversion of an RF coaxial connector into an RF switch connector. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides an FCC, ISED and MIC application file automatic generation tool, and the system comprises a data extraction module which is used for extracting test data related to a plurality of wireless technologies from a radio frequency test report, and the test data at least comprises the maximum power, the bandwidth and the modulation mode; the data processing module is used for converting the extracted test data into standard data conforming to an FCC, ISED or MIC application format; and the application file generation module is used for automatically filling the processed standard data into the corresponding blank application template to generate a complete FCC, ISED or MIC application file. By integrating the data extraction, processing and file generation module, automatic filling of FCC, ISED and MIC authentication application files is realized, multi-standard radio frequency parameters can be automatically extracted from a test report, the efficiency and accuracy of authentication file preparation are remarkably improved, the labor cost and the error risk are reduced, and the product authentication period is shortened.

The invention provides a radio frequency test control system and a radio frequency test method. The radio frequency test control system comprises an upper computer used for sending a control instruction of a radio frequency test task; the data processing system is connected with the upper computer and used for providing level and time sequence control for the radio frequency test task and generating a path switching instruction of the radio frequency test task based on the control instruction; the test daughter board is connected with the data processing system and used for providing a radio frequency test task test piece so as to execute a radio frequency test task; the coaxial switch is connected with the test daughter board and used for switching a radio frequency test path based on the path switching instruction; the data acquisition system is connected with the test daughter board through a coaxial switch, communicates with an upper computer through a network, and is used for acquiring test data of the test piece and sending the test data to the upper computer; and the power supply system is used for providing a plurality of working power supplies with different voltages so as to provide working voltages for the radio frequency test control system.

The embodiment of the specification relates to the technical field of repeater testing, and provides a repeater radio frequency performance testing method, device, system and equipment, which comprises the following steps: receiving a to-be-tested index input by a user on an interactive interface; obtaining to-be-tested repeater equipment parameters, and configuring test parameters for a testing instrument according to the to-be-tested repeater equipment parameters; matching a target test case from a test case set according to the to-be-tested index; determining a test path according to the target test case; executing the target test case according to the test parameters and the test path to obtain a radio frequency performance test result; and judging whether the radio frequency performance test result meets a preset standard. Through the embodiment of the specification, the efficiency and accuracy of repeater radio frequency testing can be improved.

The application discloses a chip testing method, device, storage medium and program product, and belongs to the field of semiconductor chip testing. The method comprises the following steps: after being connected in communication with a target chip, the transmitting power of the target chip is calibrated; the target chip is subjected to radio frequency testing to obtain a radio frequency testing result; and the target chip is classified based on the radio frequency testing result. According to the application, the target chip is automatically calibrated, subjected to radio frequency testing and classified, and the whole testing process is independently completed by the testing device. In this way, on the one hand, the testing time can be greatly saved, and the testing efficiency is improved. On the other hand, the whole testing process does not need manual intervention, and the accuracy of the testing result can be ensured.

The embodiment of the invention provides a phased-array antenna chip self-checking method and device, a phased-array antenna system and a storage medium, and relates to the field of antenna self-checking, the method comprises the following steps: when a self-checking instruction is received, two same register backward-reading command frames are continuously sent to each chip connected with a phased-array antenna in sequence, and for each chip, a register backward-reading command frame is sent to each register backward-reading command frame; and receiving a return frame of the later read-back command frame, and performing self-inspection on each chip based on the return frame. The self-inspection can be carried out in a normal working state environment of the phased array system, and external large-scale radio frequency test equipment is not needed, so that the detection efficiency is improved to a great extent.

A radio frequency (RF) test device such as a spectrum analyzer may include an RF attenuator to attenuate a received RF signal; a mixer to down-convert the attenuated RF signal; an IF attenuator to attenuate the down-converted signal; an analog-to-digital converter (ADC) to digitize the attenuated, down-converted signal; and a processor, which may select attenuation values for one or more of the RF attenuator and the IF attenuator based on an error magnitude vector (EVM) analysis, an RF signal type, and a signal level at an input of the ADC. The processor may use a look-up table for the selection. Initial attenuation values may be selected based on an expected RF signal type, RF signal frequency, or RF signal bandwidth. The attenuation values may also be selected in an iterative manner stepping the attenuation values up or down.

The utility model discloses a detection jig capable of performing RF (Radio Frequency) test and acoustic performance test. The detection jig comprises a first cover plate, a second cover plate and a die body, the first cover plate is provided with a slot position; the second cover plate is hinged with the first cover plate, and an accommodating groove for accommodating the RF antenna plate is formed in the second cover plate; the mold body is arranged in the groove position, an earphone groove matched with an earphone is formed in the mold body, and the mold body is provided with a connecting part connected with an artificial ear. The accommodating groove for accommodating the RF antenna plate is formed in the second cover plate, the earphone groove matched with the earphone is formed in the mold body, and the mold body is provided with the connecting part connected with the artificial ear, so that the jig can carry out RF test and acoustic performance test, two stations are combined into one, the test can be carried out singly, and the test efficiency is improved. And dual-channel simultaneous testing can be carried out without separate operation, so that convenience is brought to detection personnel, the operation efficiency is improved, and resource waste is reduced.

The utility model discloses a test device, comprising an index plate, a rotation driving member for driving the index plate to rotate and a plurality of carriers, each carrier is provided with a groove for placing a product and an upper cover plate for covering the groove and pressing the product, a feeding and discharging station, an RF testing station and an ICT testing station are arranged in the rotating direction of the index plate. The feeding and discharging station is provided with a visual detection module and an opening and closing driving mechanism for driving the upper cover plate to be closed or opened. A first pressing module and an RF testing module are arranged on the RF testing station; a second pressing module and an ICT test module are arranged on the ICT test station; the first pressing module and the second pressing module are each provided with a plurality of first positioning pins matched with the carrier for positioning and a pressing assembly for pressing a product in the carrier. According to the utility model, the positioning precision of the product in the carrier can be improved, the test reliability can be ensured, and the test efficiency can also be improved.

The invention relates to the technical field of radio frequency test circuit design, in particular to a radio frequency test high-power protection device and a working method.The radio frequency test high-power protection device comprises a power protection mechanism and an automatic test device, and the power protection mechanism is connected with the automatic test device through a radio frequency test cable; the power protection mechanism comprises at least one radio frequency switch, at least one attenuation unit and at least one right-bend compensation structure, the radio frequency switches, the attenuation units and the right-bend compensation structures are arranged on the coplanar waveguide substrate, each radio frequency switch is provided with a straight plate upper electrode and a lower electrode, the straight plate upper electrodes are connected with the attenuation units through grounding conduction bands and middle conduction bands, and the lower electrodes are connected with the attenuation units through grounding conduction bands. An attenuation path is formed when the straight plate upper electrode and the attenuation unit are conducted, the lower electrode is connected with the right-bend compensation structure through the grounding conduction band and the middle conduction band, and a reference compensation path is formed when the lower electrode and the right-bend compensation structure are conducted; effective power absorption is achieved, multichannel high-frequency high-power radio frequency testing is achieved, the stability and consistency of testing are improved, and the working efficiency of testing engineers is improved.

The invention provides a line loss calibration method, device, equipment and system and a storage medium, and the method comprises the steps: obtaining an initial line loss value of initial radio frequency test equipment according to the initial radio frequency test equipment and a preset gold sample; controlling the initial radio frequency test equipment to perform radio frequency test on the N reference samples to obtain a test data set; and determining a target line loss value of the initial radio frequency test equipment based on the test data set and a preset data standard, and calibrating the initial radio frequency test equipment based on the target line loss value. According to the method, the initial line loss value of the initial radio frequency test equipment is corrected by adopting the test data set actually measured by the initial radio frequency test equipment to obtain the actual line loss value of the initial radio frequency test equipment, and the initial radio frequency test equipment is calibrated based on the target line loss value to obtain the standard equipment test equipment; the result of the radio frequency quality test performed by using the standard radio frequency test equipment subsequently can feed back the real radio frequency performance of the to-be-tested sample, and the accuracy of the radio frequency quality test is improved.

The invention belongs to the technical field of near-field imaging, and particularly relates to a near-field imaging device and method based on a vector network analyzer. The vector network analyzer host is used for outputting a radio frequency local oscillator signal and a radio frequency test signal and receiving an intermediate frequency test signal; the millimeter wave terahertz spread spectrum module is used for frequency multiplication and signal separation of radio frequency test signals; frequency multiplication is carried out on the radio frequency local oscillation signal, and the frequency multiplication radio frequency local oscillation signal and a near-field signal are mixed and then output; an antenna, a quasi-light path and a near-field scanning control module; and the control machine is respectively connected with the vector network analyzer host and the near-field scanning control module. According to the millimeter wave terahertz near-field imaging device based on the vector network analyzer, generation and demodulation processing of millimeter wave terahertz test signals can be realized at the same time through the vector network analyzer host, and the size and the weight of a millimeter wave terahertz near-field imaging test system are reduced; and the integration level of the millimeter wave terahertz near-field imaging test system is improved.

The utility model relates to the technical field of product testing, and discloses a testing device. The testing device comprises a shielding box, a signal transmission module and a clamp. The shielding box comprises a box body and a cover body which are connected, the box body is provided with a containing cavity with an opening, and the cover body seals the opening. The signal transmission module is movably arranged in the accommodating cavity, and the signal transmission module is used for being electrically connected with the to-be-tested module so as to transmit a test signal to the to-be-tested module. The clamp is arranged in the containing cavity and comprises a driving mechanism and a clamping piece which are connected, and the driving mechanism drives the clamping piece to fix the signal transmission module to the position, separated from the to-be-tested module, in the containing cavity. According to the testing device provided by the invention, the accuracy of a testing result can be improved when a radio frequency test is carried out.

This invention provides a line loss measurement device and method for an RF test system. The method involves connecting both ends of the entire RF test system's line system to a first standard line connected to two ports of a network divider, measuring and recording the line loss value LossArray_Cable. One end of a second standard line is connected to the network divider, and the other end is connected to the measurement probe of an Agilent power meter. The network divider is controlled to transmit a first signal, and the first signal value is read from the Agilent power meter and denoted as LossArray_PowerMeter. The Agilent power meter's measurement probe is connected to the measurement port of a comprehensive test instrument, and the comprehensive test instrument is controlled to transmit a second signal. The second signal value is read from the power meter and used as LossArray_Base. LossArray_PowerMeter is subtracted from LossArray_Base to obtain LossArray_InterLoss. The line loss value of the entire RF test system is calculated using the formula LossArray_Cable + LossArray_InterLoss, achieving a simple, efficient, and reliable measurement of the line loss value of the RF test system.

1. The name of the design product: Radio frequency test box (iODM-SC8). 2. The use of the design product: The design product is used for testing equipment for detecting the radio frequency performance of the circuit board. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The present specification relates to a universal network equipment radio frequency test system and method, the system comprising: a signal source port, a plurality of input ports, a coupling unit, a signal processing unit and a control unit; wherein the control unit comprises a plurality of digital switches, the coupling unit comprises a plurality of couplers, and the signal processing unit comprises at least a filter or an attenuator; the signal source port is used to receive signals emitted by a signal source, and the signal source port is connected to the input ports through the control unit and the coupling unit; the coupling unit is used to couple and transmit signals received by at least one signal source port to at least one input port; the control unit is used to switch the connection lines of the signal source port, the coupling unit, the signal processing unit and the input ports in response to a control instruction; and the plurality of input ports are used to send signals emitted by the signal source to a device under test connected to the system. The present application saves cost, reasonably utilizes resources, and improves the reusability and maintainability of test work.

The utility model relates to the technical field of radio frequency test, in particular to a high-stability radio frequency test probe seat structure, which comprises a probe seat, and a probe is mounted on the probe seat through a probe arm. A bottom plate is fixed at the bottom of the probe seat, a second metal plate and a first metal plate which are attached to the mounting platform and are arranged up and down are arranged at the bottom of the bottom plate, and the ball is arranged in the second metal plate through a first elastic piece; the strong magnetic plate is arranged in the first metal plate and the second metal plate, the top of the strong magnetic plate is fixedly provided with a lifting rod, one end of the lifting rod penetrates through and extends to the position above the second metal plate, the lifting rod is fixed to the position below the bottom plate, and the outer side of the lifting rod is sleeved with a second elastic piece located between the bottom plate and the second metal plate. Tension of the first elastic piece enables the ball to be tightly attached to the installation platform, the probe base can flexibly move through the ball, and the rolling characteristic of the ball can allow the probe base to adjust the position in a self-adaptive mode within a small range.

The utility model discloses a WiFi (Wireless Fidelity) radio frequency testing device, and relates to the technical field of WiFi radio frequency testing, and the WiFi radio frequency testing device comprises a signal generator, a spread spectrum module, a first tester and a test monitoring device, the signal generator is used for generating a test signal; the spread spectrum module is connected between the signal generator and the tested equipment and is used for improving the frequency of the test signal, so that the test signal received by the tested equipment meets a WiFi (Wireless Fidelity) radio frequency test requirement; the first tester is connected with the tested equipment and is used for testing the signal receiving performance of the tested equipment; and the test monitoring device is connected with the first tester and is used for collecting test data and analyzing a test result. According to the invention, the test requirements of the WiFi 7 technology can be met, and the radio frequency test of the WiFi 7 equipment can be realized.