There are many types of PCB boards in the field of automatic testing in print circuit boards.multilayer printed circuit board analysis_Shenzhen StarLight Industrial Development Co., Ltd.

There are many types of PCB boards in the field of automatic testing in print circuit boards.multilayer printed circuit board analysis

source:Other information release time:2023-03-30 Hits: Popular:PCB Assembly company: Share:

　　The PCB circuit board learns that the establishment of related application software on the PCB board machine uses the idea of virtual instruments, that is, the various functions of traditional instruments through software, including oscilloscope, signal generator, and various mathematical processing of collecting data. During the test, the digital signal is given through the test software.

　　The test system of the PCB board will have new design ideas. Using the design ideas of automatic testing system and virtual instruments based on the USB bus, it will give full play to the role of the computer. The volume of itself reduces development costs, thereby improving the efficiency of development.

　　After D/A conversion, the simulation incentive signal required for the test was applied to the test system, and then the test circuit was sent to the switch matrix through the test bus. The PCB board is fixed on the needle bed. The incentive signal is measured by the corresponding position to the printing circuit board, and the response is measured by the test circuit. The number of digital numbers is feeded by software on the PCB machine and is processed by the PCB machine to determine whether the PCB board is qualified.

　　The online testing technology breaks through the method of using the eye -by -person eye testing circuit board. The efficiency of the online testing technology is high and the leakage rate is low, realizing the automation of the testing field. This detection system adopts the idea of combining virtual instruments to reduce the design of the hardware and reduce the cost of the entire system.

　　The basic methods of online testing of PCB board simulation elements and testing methods for diode and triode are suitable for applications for SMEs. Reduce the number of unqualified products entering the next process, thereby reducing the rework of the product, increasing production efficiency, reducing the total cost of manufacturing, and increasing the profit of the enterprise. , High -speed, high -precision detection method.

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