CN116743272A - Baseband signal generation module adjusting and measuring device and method - Google Patents
Baseband signal generation module adjusting and measuring device and method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
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- H05K7/14—Mounting supporting structure in casing or on frame or rack
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Abstract
The application discloses a baseband signal generation module adjusting and measuring device and a baseband signal generation module adjusting and measuring method, and belongs to the technical field of adjusting and measuring devices. The system comprises a first control unit, a second control unit, a signal source and a signal modulation unit; the first control unit is used for acquiring the modulation and measurement requirements of a tester and generating a modulation and measurement flow, the signal source is used for sending a 5GHz reference signal to the baseband signal sending module to be tested, the second control unit is used for acquiring the modulation and measurement requirements and sending a control signal and a clock signal to the baseband signal sending module to be tested according to the modulation and measurement requirements, the baseband signal sending module to be tested generates a signal to be tested according to the 5GHz reference signal and the control signal, and the signal modulation and measurement unit is used for acquiring the signal to be tested and the modulation and measurement flow and performing modulation and measurement according to the modulation and measurement flow. The method realizes high-efficiency and automatic debugging of the baseband signal generation module, and solves the problems of low debugging efficiency and large relation between adjustable measurement quality and personnel quality in the prior art.
Description
Technical Field
The application relates to the technical field of a modulating and measuring device, in particular to a modulating and measuring device and method of a baseband signal generating module.
Background
The statements in this section merely relate to the background of the present disclosure and may not necessarily constitute prior art.
The baseband signal generating module (hereinafter referred to as a module) in the microwave signal generator is a core integral part of the vector signal generator, determines the core indexes such as the modulation bandwidth, the signal pattern, the storage depth of any wave and the like of the vector signal generator, provides broadband complex multi-system baseband I/Q signals participating in vector modulation for the whole vector signal generator, can realize real-time baseband signal generation based on real-time operation, can realize high-capacity random wave data baseband signal generation through a random wave playback function, and realizes that a single baseband signal generator supports two paths of independent baseband I/Q signals to be output.
The input/output ports of the baseband signal generating module are 12 paths in total, the single-path modulation and measurement indexes are more, and the modulation and measurement technology is complex to realize. At present, the similar function board is not provided with a special tool, is mainly debugged along with a complete machine, has low debugging efficiency and large relation between adjustable quality and personnel quality, has bottleneck in debugging of the baseband signal generating module, and cannot realize high-quality and high-efficiency manufacturing of the vector signal source baseband signal generating module.
With the development of communication technology, high performance test signals are required in more and more occasions. The market demand of excellent measuring instruments such as a vector signal generator is continuously increased, the production and debugging quantity of the whole machine is improved, and higher requirements are provided for a method for adjusting and testing a flow from a module to the whole machine. In order to meet the production requirements of more quality and quantity, a design of a module adjusting and measuring device and a convenient, rapid and high-accuracy adjusting and measuring method are needed.
The existing module debugging scheme is manual debugging. The adjusting and measuring platform is a complete machine platform and has no special platform. The cable connection is complicated, needs manual plug cable and change test instrument, because the module is at the tail department of 5U model, just can pull out the plug module after need erectting the quick-witted case, and the quick-witted case after erectting is unstable rocks easily, has the security risk. The fan is a complete machine fan, the original air duct cannot realize module heat dissipation, and the debugging process needs to manually test and manually record and sort various indexes, so that the industrial production mode of the vector signal source cannot be supported.
Disclosure of Invention
In order to solve the defects in the prior art, the application provides a device and a method for adjusting and measuring a baseband signal generating module, which are designed and developed to break through the bottleneck of adjusting and measuring the baseband signal generating module and are beneficial to forming a fixed and efficient adjusting and measuring process.
In a first aspect, the present application provides a baseband signal generating module adjusting device;
a baseband signal generation module adjusting and measuring device comprises a first control unit, a second control unit, a signal source and a signal adjusting and measuring unit;
the first control unit is used for acquiring the modulation requirement of a tester and generating a modulation flow, the signal source is used for sending a 5G reference signal to the baseband signal sending module to be tested, the second control unit is used for acquiring the modulation requirement and sending a control signal and a clock signal to the baseband signal sending module to be tested according to the modulation requirement, the baseband signal sending module to be tested generates a signal to be tested according to the 5GHz reference signal and the control signal, and the signal modulation unit is used for acquiring the signal to be tested and the modulation flow and performing modulation according to the modulation flow.
Further, the microwave oven also comprises a program control microwave switch; the program-controlled microwave switch is used for screening signals sent by the baseband signal generating module to be tested according to the testing requirements, obtaining signals to be tested and sending the signals to the signal testing unit.
Further, the signal modulation unit comprises a signal analyzer and an oscilloscope;
the signal analyzer is used for debugging the signal to be measured and measuring the index range of the signal to be measured, and the oscilloscope is used for measuring the waveform and the index range of the signal to be measured.
Further, the device also comprises a regulating box body;
the second control unit, the signal source and the program-controlled microwave switch are arranged in the modulation box body;
the top of the adjusting box body is provided with an installing clamping groove, the bottom of the adjusting box body is provided with a base, and the base is connected with the adjusting box body through a hinge; and the two ends of the adjusting box body along the length direction are provided with cooling fans.
Further, lever lifting mechanisms are arranged on two sides of the adjusting box body along the width direction, one end of the lever lifting mechanism along the length direction is hinged with the machine box, and the other end of the lever lifting mechanism along the length direction is in contact with the baseband signal generating module inserted in the installation clamping groove.
Further, the number of the lever lifting mechanisms is multiple, and the lever lifting mechanisms are uniformly distributed along the width direction of the adjustment box body;
the lever lifting mechanism is of a hook-shaped structure, and the bending part of the lever lifting mechanism is hinged with the detection box body through a connecting piece.
Further, the first control unit is a computer provided with module adjusting software.
In a second aspect, the present application provides a method for adjusting a baseband signal generating module;
a baseband signal generation module adjusting and measuring method comprises the following steps:
s1, inserting a baseband signal generating module to be tested into an installation clamping groove, acquiring a testing requirement of a tester by a first control unit, generating a testing procedure, sending the testing requirement to a second control unit, and sending the testing procedure to a signal detection unit;
s2, a signal source sends a 5GHz reference signal to a baseband signal sending module to be tested, a second control unit receives a modulation and measurement requirement and sends a control signal and a clock signal to the baseband signal sending module to be tested according to the modulation and measurement requirement, and the baseband signal sending module to be tested generates a signal to be tested according to the 5GHz reference signal, the control signal and a time signal;
s3, the signal adjustment and measurement unit collects signals to be measured, and adjusts and measures the signals to be measured according to an adjustment and measurement process.
Further, step S3 includes:
the step S3 comprises the following steps:
s301, collecting vector modulation signals with the frequency of 5GHz and the power of 0dBm, and automatically calibrating the vector modulation signals through a signal analyzer;
s302, measuring an EVM index range of the vector modulation signal through a signal analyzer;
s303, measuring the flatness of an external baseband input signal through a signal analyzer;
s304, measuring index ranges of 8 paths of signals of the differential output signal, the marking output signal and the 5G clock output signal by the control signal analyzer and the oscilloscope.
Further, the method further comprises the following steps:
s4, the signal detection unit sends the test result to the first control unit, and the first control unit receives and stores the test result.
Compared with the prior art, the application has the beneficial effects that:
1. the technical scheme provided by the application designs a regulating and measuring device and a regulating and measuring method of a baseband signal generating module, designs a special regulating and measuring platform, and improves the whole debugging efficiency and the straight-through rate; the circuit board debugging in the signal source production debugging process is automated, the efficiency and accuracy of circuit board debugging are improved, the manual setting and data recording processes of debugging personnel on a test instrument are reduced, various index results of the test generate a document with unified test standard, the traceability of debugging data is enhanced, and meanwhile, the uniformity and the difference between the circuit boards in the same batch and the circuit boards in different batches can be analyzed according to the data.
2. According to the technical scheme provided by the application, the special 4U chassis and the special tools for multiple places are designed, so that the module is more firm and reliable in connection and more reasonable in heat dissipation while being beneficial to test and plug, and the microwave switch module is designed to replace manual operation, so that automatic switching and testing of multiple paths of signals are realized. The automatic debugging function of the module is directly embedded into the whole machine software, and the automatic testing of the module is realized through software based on a unified testing method and a judging basis. After the tested module is inserted, the number of the tested module, the information of the temperature and humidity, the test personnel and the like are only input into an interface, all other processes are completed through man-machine interaction by software control, and the method comprises the state setting of each switch of the tested whole machine, the gating and testing of a microwave switch signal channel, the setting of a calibration value, the switching of a test instrument, the reading, writing and arrangement of test results. High-efficiency and automatic circuit board debugging is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.
FIG. 1 is a schematic flow chart provided in an embodiment of the present application;
fig. 2 is a schematic top view of a chassis according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a lever lifting mechanism according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a cascade design of programmable microwave switches according to an embodiment of the present application;
fig. 5 is a schematic installation diagram of a cooling fan according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a cooling fan according to an embodiment of the present application.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms also are intended to include the plural forms, and furthermore, it is to be understood that the terms "comprises" and "comprising" and any variations thereof are intended to cover non-exclusive inclusions, such as, for example, processes, methods, systems, products or devices that comprise a series of steps or units, are not necessarily limited to those steps or units that are expressly listed, but may include other steps or units that are not expressly listed or inherent to such processes, methods, products or devices.
Embodiments of the application and features of the embodiments may be combined with each other without conflict.
Example 1
The modulation of the baseband signal generation module in the prior art has the following defects:
1. the whole machine platform is adopted for debugging, and a special stable and reliable platform is not adopted.
2. The cable connection is complex, and the cable is required to be manually plugged and unplugged and the testing instrument is required to be replaced when different interfaces or different indexes are tested each time, so that the efficiency is low and the interfaces are easy to damage.
3. The module is in platform tail department, only can pull out the plug module after erecting the platform at every turn, pulls out and inserts extremely inconvenient, and has the potential safety hazard.
4. The module has poor heat dissipation, and no special heat dissipation device is used for heat dissipation.
5. The method has no unified and reliable test method and judgment basis, and different test results are not unified due to different test methods of different testers, so that the module test results and data analysis are affected.
6. The debugging process needs to manually test and manually record and sort various indexes, and is complicated.
Therefore, in order to solve the above-mentioned problems, the present application provides a baseband signal generating module tuning device.
Next, a baseband signal generating module adjusting device disclosed in this embodiment will be described in detail with reference to fig. 1 to 6. The baseband signal generating module adjusting and measuring device comprises a first control unit, a second control unit, a signal source, a signal adjusting and measuring unit, a program-controlled microwave switch and an adjusting and measuring box body, wherein the first control unit forms a control platform, the second control unit, the signal source and a power supply form a basic platform, and the program-controlled microwave switch and the signal detecting unit form a signal detecting platform.
The first control unit is respectively in communication connection with the second control unit and the signal detection unit, the second control unit is respectively in communication connection with the signal source and the baseband signal generation module to be detected, the baseband signal generation module to be detected is in communication connection with the program-controlled microwave switch, and the program-controlled microwave switch is in communication connection with the signal detection unit.
The first control unit, that is, the control platform is an industrial control computer, adopts the research science 610L, is mainly used for installing LabVIEW development platform, excel, mySQL and other databases and data report table supporting software, is connected with the test instrument through the GPIB control card to control the state of the platform and the program-controlled test instrument to execute test items, analyze data and store analysis; the device is connected with a program-controlled microwave switch through a USB to control the switching of a tested radio frequency channel; and generating a test flow by module test software according to the test requirements of the testers. The second control unit is a CPU module and sends out control signals to the baseband signal generating module according to the modulation and measurement requirements. The signal source is a signal generator, and the CPU module, the signal generator and the power supply form a basic platform for providing working voltage and 5GHz reference signals for the baseband signal generation module; the signal detection unit comprises a signal analyzer and an oscilloscope.
The control platform is used for acquiring the debugging and testing requirements of the testers and generating a debugging and testing flow, the CPU module is used for acquiring the debugging and testing requirements and sending control signals to the baseband signal sending module to be tested according to the debugging and testing requirements, the signal generator in the basic platform is used for sending 5GHz reference signals to the baseband signal sending module to be tested according to the control instructions sent by the control platform to generate 5GHz reference clocks, and the reference clock signals are sent to chips such as FPGA (field programmable gate array), DAC (digital-to-analog converter) and the like through frequency synthesis, frequency division distribution and other processes, so that the baseband signal generating module works normally. The baseband signal sending module to be tested generates a signal to be tested according to the control signal, the program-controlled microwave switch is used for collecting the signal to be tested, and the signal adjusting and measuring unit is used for obtaining the signal to be tested and an adjusting and measuring flow and adjusting and measuring according to the adjusting and measuring flow.
The basic platform and the program-controlled microwave switch are arranged in the adjusting and measuring box body, the top of the adjusting and measuring box body is provided with an installing clamping groove, the bottom of the adjusting and measuring box body is provided with a base, and the base is connected with the adjusting and measuring box body through a hinge; and the two ends of the adjusting box body along the length direction are provided with cooling fans, and fan covers are arranged outside the cooling fans. The two sides of the adjusting box body along the width direction are provided with lever lifting mechanisms, one end of each lever lifting mechanism along the length direction is hinged with the adjusting box body, and the other end of each lever lifting mechanism along the length direction is in contact with a baseband signal generating module inserted into the adjusting box body. The number of the lever lifting mechanisms is 8, and the levers are 4 on one side and are uniformly distributed along the width direction of the adjustment box body; the lever lifting mechanism is of a hook-shaped structure, and the bending part of the lever lifting mechanism is hinged with a connecting piece on the adjusting box body.
The output signals are collected by using the program-controlled microwave switch, and the input and output ports of the baseband signal generating module are 12 paths in total, so that the single-path modulation and measurement indexes are more, and the modulation and measurement technology is complex to realize. The program-controlled microwave switch is designed to effectively avoid unstable index test caused by frequent cable connection conversion, and the test efficiency and the automation level are improved. The microwave bin is designed to fix the tool, which is used to fix the program control microwave switch in the groove of the circuit board, optimize the internal structure and make the connection more reliable.
The baseband signal generating module has serious heating of devices such as a power amplifier and the like, the module is arranged outside the chassis, and no fan is arranged inside the chassis to radiate the heat. Therefore, the external fan is designed, and a fan cover is designed for protecting in order to prevent damage to people or articles caused by rotation of the fan. The fan design has fixed frock, and fixed frock can carry out position adjustment, can install fan housing in quick-witted case position, and this position can make quick-witted incasement portion form the wind channel, does benefit to the module heat dissipation.
The automatic target adjustment in this embodiment is to gate each output signal mentioned above through a programmable microwave switch, input the signal source analyzer (FSW 67) and the input end of the oscilloscope (tek DPO 4054) for measurement and reading. The working flow of the device is mainly completed by sending an instruction to call a library function of a CPU module in the debugging plane to enable the module to work through a LabVIEW program control basic platform and a baseband signal generating module, and directly controlling each signal switch of the tested module through a bottom layer and writing related DAC values into a specific register. And simultaneously, a program-controlled microwave switch, a signal source analyzer and an oscilloscope which are connected with the LAN port are controlled through a VISA protocol. And then, the Office installed on the whole machine platform is connected through an ActiveX technology to perform Excel document operation, and test data are stored.
Example two
The embodiment discloses a baseband signal generating module adjusting and measuring method, which comprises the following steps:
s1, inserting a baseband signal generating module to be tested into the mounting clamping groove, clicking a power button of the basic platform, starting power supply, and ensuring that the working power supply of the baseband signal generating module is normal. The first control unit acquires the testing requirements of the tester and generates a testing procedure, the testing requirements are sent to the second control unit, and the testing procedure is sent to the signal detection unit.
Specifically, an operator inputs a test requirement through a control platform. Illustratively, an operator clicks test software of a baseband signal generation module in a control platform, fills in the number of the test module and the temperature and humidity of a test environment, and automatically reads the date of the test on the same day and generates a test form; and after checking test items of the base band signal generation module test software, running the software, and acquiring the test requirements of testers by the control platform, generating a test flow, sending the test requirements to the base platform, and sending the test flow to the signal detection platform.
S2, the signal generator sends a 5GHz reference signal to a 5GHz clock input interface of the baseband signal sending module to be tested, so that the baseband signal sending module works normally, a CPU module in the basic platform receives the modulation and measurement requirement and sends a control signal to the baseband signal sending module to be tested according to the modulation and measurement requirement, and the baseband signal sending module to be tested generates a signal to be tested according to the 5GHz reference signal and the control signal.
S3, the signal modulation and measurement unit collects signals to be measured, tests EVM, arbitrary wave, differential output, external IQ input interface, mark output and 5GHz clock output interface according to the modulation and measurement procedure, sends test data to the control platform, and displays the test data on a test software interface in the control platform.
Specifically, the method comprises the following steps:
s301, a LAN port program control signal analyzer is used for acquiring vector modulation signals with the frequency of 5GHz and the power of 0dBm from a CPU module in a base platform, a baseband signal generation module vector output interface is connected with the signal analyzer through a cable to acquire error data of an EVM index, vector narrow-band calibration is carried out through a vector modulation calibration program built in the base platform, the EVM index is calibrated to be below 0.5%, and the calibration data are stored in the CPU module of the base platform;
s302, an EVM and an arbitrary wave index of a vector modulation signal with the frequency of 5GHz and the power of 0dBm are acquired, a LAN port is used for connecting a control platform, a base platform and a signal detection platform, the EVM and the arbitrary wave index are automatically measured on a baseband signal generation module through a program control signal analyzer, and the EVM and the arbitrary wave index are tested to be smaller than 0.5%;
s303, automatically measuring the flatness of an external baseband input signal of the baseband signal generating module through a program control signal analyzer, wherein the test flatness index is less than 5dB;
s304, automatically testing the output signal of the baseband signal generating module by using a program control signal analyzer, wherein the output signal of the test 5GHz is larger than 0dBm, measuring the output of 4 paths of differential signals and the output of 2 road sign signals by using a program control oscilloscope, wherein the output of the test differential signals is about 300mV plus or minus 50mV, and the output waveform of the test sign signals is correct.
S4, the signal detection unit sends the test result to the control platform, the control platform receives the test result, and the test result is input into the WORD test table and stored.
The flow of the modulation method of the baseband signal generating module is as follows:
(1) The base band signal generating module to be tested is inserted into the mounting clamping groove, the base platform provides power supply, the output frequency of the external signal generator is 5GHz, and the reference signal with the power of 0dBm is connected to the 5GHz clock input interface of the base band signal generating module through the radio frequency cable, so that the base band signal generating module works normally, and the signal to be tested is generated.
(2) Entering a test software interface of the control platform baseband signal generating module, manually inputting the number of the tested module, testing the temperature and humidity, testing personnel and other information, selecting a required test item, and clicking for operation. The system is tested according to the following procedures:
(201) The signal analyzer is connected with a LAN port of a CPU module in the basic platform through a network cable, and vector modulation signals with the frequency of 5GHz and the power of 0dBm are collected. And a vector output interface of the baseband signal generation module is connected with a signal analyzer by using a radio frequency cable to acquire error data of the EVM index. And (3) automatically calibrating the vector signal of the current point by entering a vector modulation calibration interface in the CPU module of the basic platform, and storing calibration parameters in the CPU module.
(202) And collecting vector modulation signals with the frequency of 5GHz and the power of 0dBm, controlling a signal analyzer to automatically test EVM indexes of 5GHz and storing data.
(203) And (3) collecting arbitrary wave signals with the frequency of 5GHz and the power of 0dBm, and controlling a signal analyzer to measure arbitrary wave indexes.
(204) The control signal analyzer measures the flatness of the external baseband input signal.
(205) The control signal analyzer and the oscilloscope measure indexes of differential output, mark output and 5GHz clock output signals.
The test process is completed by software control through a preset flow, and comprises state setting of each switch of the tested module, signal channel gating and test, and switching of a test instrument.
(3) The running result is written into the test table template of the baseband signal generation module by the test software through an Excel application program operated by an ActiveX, and the export storage of a data report or the analysis of batch data can be carried out subsequently. The foregoing embodiments are directed to various embodiments, and details of one embodiment may be found in the related description of another embodiment.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The baseband signal generating module regulating and measuring device is characterized by comprising a first control unit, a second control unit, a signal source and a signal regulating and measuring unit;
the first control unit is used for acquiring the modulation and measurement requirements of testers and generating a modulation and measurement flow, the signal source is used for sending a 5GHz reference signal to the baseband signal sending module to be tested, the second control unit is used for acquiring the modulation and measurement requirements and sending a control signal and a clock signal to the baseband signal sending module to be tested according to the modulation and measurement requirements, the baseband signal sending module to be tested generates a signal to be tested according to the 5GHz reference signal and the control signal, and the signal modulation and measurement unit is used for acquiring the signal to be tested and the modulation and measurement flow and performing modulation and measurement according to the modulation and measurement flow.
2. The baseband signal generator module tuning device according to claim 1, further comprising a programmable microwave switch; the program-controlled microwave switch is used for screening signals sent by the baseband signal generating module to be tested according to the testing requirements, obtaining signals to be tested and sending the signals to the signal testing unit.
3. The baseband signal generation module tuning device according to claim 1, wherein the signal tuning unit comprises a signal analyzer and an oscilloscope;
the spectrometer is used for debugging the signal to be measured and measuring the index range of the signal to be measured, and the oscilloscope is used for measuring the waveform and the index range of the signal to be measured.
4. The baseband signal generation module tuning device according to claim 1, further comprising a tuning box;
the second control unit, the signal source and the program-controlled microwave switch are arranged in the modulation box body;
the top of the adjusting box body is provided with an installing clamping groove, the bottom of the adjusting box body is provided with a base, and the base is connected with the adjusting box body through a hinge; and the two ends of the adjusting box body along the length direction are provided with cooling fans.
5. The baseband signal generating module adjusting and measuring device according to claim 4, wherein lever lifting mechanisms are arranged on two sides of the adjusting and measuring box body along the width direction, one end of each lever lifting mechanism along the length direction is hinged with the box, and the other end of each lever lifting mechanism along the length direction is in contact with the baseband signal generating module inserted into the mounting clamping groove.
6. The baseband signal generating module adjusting and measuring device according to claim 5, wherein the number of the lever pulling mechanisms is plural, and the lever pulling mechanisms are uniformly distributed along the width direction of the adjusting and measuring box body;
the lever lifting mechanism is of a hook-shaped structure, and the bending part of the lever lifting mechanism is hinged with the detection box body through a connecting piece.
7. The baseband signal generator module debugging apparatus of claim 1, wherein the first control unit is a computer with module debugging software installed.
8. The method for adjusting the baseband signal generating module is characterized by comprising the following steps:
s1, inserting a baseband signal generating module to be tested into an installation clamping groove, acquiring a testing requirement of a tester by a first control unit, generating a testing procedure, sending the testing requirement to a second control unit, and sending the testing procedure to a signal detection unit;
s2, a signal source sends a 5GHz reference signal to a baseband signal sending module to be tested, a second control unit receives a modulation and measurement requirement and sends a control signal to the baseband signal sending module to be tested according to the modulation and measurement requirement, and the baseband signal sending module to be tested generates a signal to be tested according to the 5GHz reference signal and the control signal;
s3, the signal adjustment and measurement unit collects signals to be measured, and adjusts and measures the signals to be measured according to an adjustment and measurement process.
9. The method for adjusting a baseband signal generating module according to claim 8, wherein step S3 comprises:
s301, collecting vector modulation signals with the frequency of 5GHz and the power of 0dBm, and automatically calibrating the vector modulation signals through a signal analyzer;
s302, measuring an EVM index range of the vector modulation signal through a signal analyzer;
s303, measuring the flatness of an external baseband input signal through a signal analyzer;
s304, measuring index ranges of the differential output signal, the mark output signal and the 5GHz clock output signal by the control signal analyzer and the oscilloscope.
10. The baseband signal generation module modulation method according to claim 8, further comprising:
s4, the signal detection unit sends the test result to the first control unit, and the first control unit receives and stores the test result.
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| CN202310710274.9A CN116743272A (en) | 2023-06-14 | 2023-06-14 | Baseband signal generation module adjusting and measuring device and method |
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