Diode is a very common semiconductor device,which plays a vital role in the development of the entire electronics industry.The accuracy of diode parameters is directly related to the performance of the entire circuit system.Therefore,it is very necessary to test diode parameters.At present,there are few instruments for diode parameter testing on the market,and the performance is uneven.The performance of the diode parameter tester is analyzed,and the test results are compared with the traditional voltammetry test results.The results show that the new diode parameter tester can measure diode pa...