-
2019-11-21Main factors affecting the results of salt spray test (1)
-
2019-11-21Main factors influencing the results of salt spray test (2)
-
2019-11-21Artificial atmosphere corrosion test salt spray test method
-
2021-3-04The various composition materials of the data line
1. PVC material is commonly used for most data lines. It has non-flammability, high strength, weather resistance and excellent geometric stability. But at present, this material of data line has been -
2021-3-05
USB data cable structure
Respectively by the ground wire, power cords, D + and D - four lines, D + and D - is the differential input lines, it is using a 3.3 V voltage (note: oh, and the 5 V CMOS level), to the power line and -
2019-11-21Salt spray test results and judgment criteria
-
2019-11-21vibration test
-
2019-11-21Response measurement
-
2019-11-22Parameter measurement of vibration test
-
2019-11-22Admittance method
-
2019-11-22environmental test
-
2019-11-22Test data processing and analysis