Verification test system and method adaptive to multi-type amplifier board cards

Abstract

The invention discloses a verification test system and method adaptive to multi-type amplifier board cards, the system comprises a general test module, a test board card containing an amplifier, a control board card, a microwave signal source, a measuring instrument and a control computer, and a signal transfer center is arranged between a microwave signal excitation measuring device and the test board card; the method comprises the following steps: selecting or customizing a test board card according to a tested amplifier, configuring test parameters, then automatically calling corresponding test programs and parameters to carry out a verification test, and finally generating a test report; functional modules of power supply, signal excitation, signal measurement, control machine parameter acquisition and the like required by performance verification tests of different amplifier board cards are decomposed into a plurality of universal modules, so that the problems of high cost, long time, low efficiency and the like caused by development of special systems for verification tests of different microwave amplifiers are solved.

Description

Technical Field

[0001] The invention belongs to the basic field of application verification. Background Art

[0002] Currently, in the device verification in the basic field of application verification, the board-level verification of amplifier devices has the characteristics of diversified power supply requirements of the DUT, multiple frequency points to be tested and not in the same frequency band, and multiple different DUTs need to share working time for testing during environmental testing.

[0003] The main solution is to use multiple control boards to control different test boards, simplify the test items in the test, or reduce the number of tested devices in a single test, etc. Although these solutions can solve the problem, they increase the cost of verification and reduce the efficiency of verification. Summary of the invention

[0004] In order to solve the problems of high cost, time and low efficiency caused by developing dedicated systems for verification tests of different microwave amplifiers, the present invention proposes a verification test system and method that is adaptable to multiple types of amplifier boards.

[0005] To achieve the above purpose, the present invention proposes a verification test system for adapting to multiple amplifier boards, and the technical solution includes:

[0006] The verification test system includes a universal test module, a test board containing an amplifier, a control board, a microwave signal source and a measuring instrument, and a control computer; the characteristics are that the universal test module is used to install the test board, and the test board is used to install the amplifier under test; the universal test module can be placed independently in the environmental test box, and connected to the control board through a power supply cable and a control cable; microwave signals are connected between the microwave signal source and the measuring instrument and the test board through a signal switching center; the control computer is connected to the signal source, the signal measuring instrument and the control board through a network interface.

[0007] Furthermore, the test board is used to install the amplifier under test and the functional circuit. The test board is provided with power supply, general control acquisition, and model parameter identification interface of the amplifier under test. The model parameter identification circuit interface adopts the I2C bus interface protocol.

[0008] Furthermore, the universal test module is used to install the test board. The universal test module is connected to the control board through a control interface and a power supply interface respectively. The interface function and electrical characteristics can be dynamically configured as needed.

[0009] Furthermore, the microwave input and output interfaces of the universal test module are connected to the microwave signal source and the microwave signal measuring instrument through a signal switching hub.

[0010] Furthermore, the control computer is connected to the microwave signal source, the measuring instrument and the signal switching center through a network interface.

[0011] The present invention also proposes a method for performing a verification test using any of the above-mentioned verification test systems for adapting multiple amplifier types, wherein a tested amplifier interface circuit and a configurable tested amplifier model parameter identification circuit are provided on the test board, and a verification test and data processing program is provided on the control computer. The method comprises:

[0012] Step 1: The control computer sends an inquiry command to the model parameter identification circuit on the test board through the control board, the control interface of the universal test module and the model parameter identification interface of the test board, and receives the model and parameter information of the amplifier under test;

[0013] Step 2: Provide a list of verification test items according to the amplifier model under test, select the test items automatically or manually, call the corresponding test program module according to the test items, and adjust the environmental parameters of the test box where the general test module is located;

[0014] Step 3: The test module sends control commands to the control board according to the test items and related parameters. The control board generates the power supply required for the test according to the command and supplies power to the test board through the universal test module. At the same time, all power supply, current and other parameters are collected and uploaded to the control computer through the control interface;

[0015] Step 4: The control board parses the control commands from the control computer to generate the control instructions required by the amplifier under test and provides various working modes and parameter controls for the test board through the test module, including the environmental parameters collected by the general test module, and returns the actual working status and parameter data of the amplifier. At the same time, the general test module collects the environmental parameters and uploads them to the control computer through the control interface;

[0016] Step 5: The test module controls the signal source, signal measuring instrument and signal transfer center to generate the excitation signal required by the amplifier according to the requirements of the test project, measures the results and stores and records them;

[0017] Step 6: Select other test items, adjust the general test module environmental parameters as needed, and repeat the first five steps until all verification test items are completed;

[0018] Step 7: Select appropriate data processing methods to process the test data according to the verification test requirements, and automatically generate various test reports in the specified format.

[0019] Furthermore, the universal test module can be placed independently in an environmental test chamber, and its internal environmental measurement circuit provides the environmental parameters of the location of the device under test for the verification test, which can be used for device environmental adaptive control. At the same time, the corresponding records can provide reliable environmental data for the test for environmental adaptability analysis.

[0020] Furthermore, by selecting a microwave signal switching center with more interfaces, the control computer, microwave signal source, and microwave test instrument can be used as public external equipment. By combining with multiple universal test modules / control boards, multiple amplifier verification test systems can be built at the same time to carry out verification tests at the same time.

[0021] The present invention solves the problems of high cost, time and low efficiency caused by developing special systems for different microwave amplifier verification tests by decomposing functional modules such as power supply, signal excitation, signal measurement, and control machine parameter acquisition required for different amplifier boards to carry out performance verification tests into multiple common modules.

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The invention is a block diagram of the working principle of the verification test system adapted to multiple amplifier boards according to an embodiment of the present invention.

[0024] Figure 2 It is a schematic diagram of a test system for a verification test system adapted to multiple amplifier type boards according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] Embodiment 1:

[0026] A verification test system adapted to various amplifier boards, including a universal test module, a test board containing an amplifier, a control board, a microwave signal source and a measuring instrument, and a control computer. The universal test module is used to install the test board, and the test board is used to install the amplifier under test; the universal test module can be placed independently in an environmental test chamber, and connected to the control board via a power supply cable and a control cable; microwave signals are connected between the microwave signal source and the measuring instrument and the test board via a signal transfer hub; the control computer is connected to the signal source, the signal measuring instrument, and the control board via a network interface. The block diagram of its working principle is shown below: Figure 1 shown.

[0027] In the embodiment: the test board is used to install the amplifier under test and the functional circuit, and the functional circuit is used to realize the original design function of the amplifier. The test board is provided with power supply, general control acquisition, and model parameter identification interface of the amplifier under test. The model parameter identification circuit interface adopts the I2C bus interface protocol. The model parameter of the amplifier under test is provided by the test board after converting the relevant identification signals of the amplifier under test and the functional circuit. When the amplifier under test does not have the corresponding function, the test board provides the model parameter automatic identification capability by programming.

[0028] In the embodiment: the universal test module is used to install the test board, and the universal test module is connected to the control board through a control interface and a power supply interface respectively, and the interface function and electrical characteristics can be dynamically configured according to needs.

[0029] In the embodiment: the control board obtains the power supply and control parameters of the board under test through the model parameter automatic identification circuit, controls the power management circuit to generate the power supply and control signals required by the board under test, and can provide real-time feedback control signals for the board under test (required by some amplifier boards) through the measurement results of environmental parameters (temperature, humidity, air pressure, 3D acceleration generated by vibration and impact, etc.) collected by the real-time acquisition universal test module, and monitors the changes in power supply parameters. When abnormalities occur, the power is cut off in time and the abnormal information is recorded.

[0030] In the embodiment: the microwave input and output interfaces of the universal test module are connected to a microwave signal source and a microwave signal measuring instrument through a signal transfer hub. The measuring instrument includes a vector network, a spectrum analyzer, a power meter, etc., which are used to test the electrical performance of the amplifier, such as Figure 2 shown.

[0031] In the embodiment: the control computer is connected to the microwave signal source, the measuring instrument and the signal switching center through a network interface, so that the computer can control each device through the network, such as Figure 2 shown.

[0032] Embodiment 2:

[0033] A verification test method based on the verification test system described in Example 1, therefore, the content in Example 1 should also be considered as the content of this embodiment, wherein: the system includes a universal test module, a test board containing an amplifier, a control board, a microwave signal source and a measuring instrument, and a control computer; an amplifier under test interface circuit and a configurable amplifier under test model parameter identification circuit are set on the test board, and a verification test and data processing program is set on the control computer;

[0034] The method is:

[0035] Step 1: The control computer sends an inquiry command to the model parameter identification circuit on the test board through the control board, the control interface of the universal test module and the model parameter identification interface of the test board, and receives the model and parameter information of the amplifier under test;

[0036] Step 2: Provide a list of verification test items according to the amplifier model under test, select the test items automatically or manually, call the corresponding test program module according to the test items, and adjust the environmental parameters of the test box where the general test module is located;

[0037] Step 3: The test module sends control commands to the control board according to the test items and related parameters. The control board generates the power supply required for the test according to the command and supplies power to the test board through the universal test module. At the same time, all power supply, current and other parameters are collected and uploaded to the control computer through the control interface;

[0038] Step 4: The control board parses the control commands from the control computer to generate the control instructions required by the amplifier under test and provides various working modes and parameter controls (including environmental parameters collected by the general test module) for the test board through the test module, and returns the actual working status and parameter data of the amplifier. At the same time, the general test module collects the environmental parameters and uploads them to the control computer through the control interface.

[0039] Step 5: The test module controls the signal source, signal measuring instrument and signal transfer center to generate the excitation signal required by the amplifier according to the requirements of the test project, measures the results and stores and records them;

[0040] Step 6: Select other test items, adjust the general test module environmental parameters as needed, and repeat the first five steps until all verification test items are completed;

[0041] Step 7: Select appropriate data processing methods to process the test data according to the verification test requirements, and automatically generate various test reports in the specified format.

[0042] In the embodiment: the amplifier model parameter identification circuit of the test board transmits model parameter information to the control board through the I2C interface via the universal test module, and the control board parses the I2C signal to form a data message and reports it to the control computer through the network interface. The power supply of the model parameter identification circuit is provided by the I2C interface, so that it can work normally before the control board provides power to the test board.

[0043] In the embodiment: the universal test module can be placed independently in the environmental test box, and its internal environmental measurement circuit provides environmental parameters of the location of the device under test for the verification test, which can be used for device environmental adaptive control, and the corresponding records can provide reliable environmental data for the test for environmental adaptability analysis. The universal test module contains an environmental parameter measurement circuit, which is used to measure and record relevant environmental parameters (meteorological and motion parameters) in real time, so as to grasp the difference between the external macro environment and the local micro environment of the amplifier during the environmental test, so as to facilitate a more comprehensive analysis of the working performance of the board card, and can provide the amplifier under test with real-time correction of dynamic working parameters.

[0044] In the embodiment: by selecting a microwave signal switching center with more interfaces, the control computer, microwave signal source, and microwave test instrument can be used as public external equipment, and by combining with multiple universal test modules / control boards, multiple amplifier verification test systems can be built at the same time to carry out verification tests at the same time.

Claims

1. A verification test system for adapting to multiple amplifier boards, characterized by: It includes a universal test module, a test board containing an amplifier, a control board, a microwave signal source and a measuring instrument, and a control computer; wherein the universal test module is used to install the test board, and the test board is used to install the amplifier under test; The universal test module can be placed independently in the environmental test chamber and connected to the control board through power supply cables and control cables; The microwave signal source and the measuring instrument are connected to the test board through the signal switching hub; The control computer is connected with the signal source, the signal measuring instrument and the control board through a network interface.

2. The verification test system for adapting multiple amplifier boards according to claim 1 is characterized in that: The test board is used to install the amplifier under test and the functional circuit. The test board is provided with power supply, general control acquisition, and a circuit interface for identifying the model parameters of the amplifier under test. The circuit interface for identifying the model parameters adopts the I2C bus interface protocol.

3. The verification test system for adapting multiple amplifier boards according to claim 1, characterized in that: The universal test module is used to install the test board. The universal test module is connected to the control board through a control interface and a power supply interface respectively. The interface function and electrical characteristics can be dynamically configured according to needs.

4. The verification test system for adapting multiple amplifier boards according to claim 1, characterized in that: The microwave input and output interfaces of the universal test module are connected to a microwave signal source and a microwave signal measuring instrument through a signal switching hub.

5. The verification test system for adapting multiple amplifier boards according to claim 1, characterized in that: The control computer is connected with the microwave signal source, the measuring instrument and the signal switching center through a network interface.

6. A method for performing a verification test using the verification test system for adapting a multi-type amplifier board as claimed in any one of claims 1 to 5, characterized in that: The test board is provided with a tested amplifier interface circuit and a configurable tested amplifier model parameter identification circuit, and a verification test and data processing program are provided on a control computer; the method comprises: Step 1: The control computer sends an inquiry command to the model parameter identification circuit on the test board through the control board, the control interface of the universal test module and the model parameter identification interface of the test board, and receives the model and parameter information of the amplifier under test; Step 2: Provide a list of verification test items according to the amplifier model under test, select the test items automatically or manually, call the corresponding test program module according to the test items, and adjust the environmental parameters of the test box where the general test module is located; Step 3: The test module sends control commands to the control board according to the test items and related parameters. The control board generates the power supply required for the test according to the command and supplies power to the test board through the universal test module. At the same time, all parameters are collected and uploaded to the control computer through the control interface. Step 4: The control board parses the control commands from the control computer to generate the control instructions required by the amplifier under test and provides various working modes and parameter controls for the test board through the test module, including the environmental parameters collected by the general test module, and returns the actual working status and parameter data of the amplifier. At the same time, the general test module collects the environmental parameters and uploads them to the control computer through the control interface; Step 5: The test module controls the signal source, signal measuring instrument and signal transfer center to generate the excitation signal required by the amplifier according to the requirements of the test project, measures the results and stores and records them; Step 6: Select other test items, adjust the general test module environmental parameters as needed, and repeat the first five steps until all verification test items are completed; Step 7: Select appropriate data processing methods to process the test data according to the verification test requirements, and automatically generate various test reports in the specified format.

7. The verification test method for adapting a multi-type amplifier board according to claim 6, characterized in that: The amplifier model parameter identification circuit of the test board transmits model parameter information to the control board through the I2C interface via the universal test module. The control board parses the I2C signal to form a data message and reports it to the control computer through the network interface.

8. The verification test method for adapting a multi-type amplifier board according to claim 6, characterized in that: The universal test module can be placed independently in an environmental test box, and its internal environmental measurement circuit provides environmental parameters of the location of the device under test for the verification test, which can be used for device environmental adaptive control. At the same time, the corresponding records can provide reliable environmental data for the test for environmental adaptability analysis.

9. The verification test method for adapting a multi-type amplifier board according to claim 6, characterized in that: By selecting a microwave signal switching center with more interfaces, the control computer, microwave signal source, and microwave test instrument can be used as public external equipment. By combining with multiple general test modules / control boards, multiple amplifier verification test systems can be built at the same time to carry out verification tests at the same time.

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