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Diode is a kind of unidirectional conductive components made of semiconductor materials. The product structure is generally a single PN junction structure, which only allows the current to flow from a single direction. So far, it has successively developed rectifier diode, Schottky diode, fast recovery diode, PIN diode, photodiode, etc., with the characteristics of safety and reliability, widely used in rectification, voltage stabilization, protection and other circuits, is one of the most widely used electronic components in electronic engineering.
Current and voltage (I-V) test and capacitance voltage (C-V) test are the main parameters to characterize the diode performance test. In this period, you can learn from the cloud class:
● Basic structure of the diode
● Forward characteristics, reverse characteristics, and reverse recovery of the diode
● How to test the diodes with different working currents?
● How to choose the second line system and four line system measurement mode?
● How to choose the test scheme based on different applied voltage and different specifications of leakage current?
● How to test when measuring the nA leakage current?
● How to test the diodes with different bias voltage?
● Practical demonstration of diode electrical performance test based on "five-in-one" high-precision digital source table (SMU)