Simple test circuit for transistor

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Simple test circuit for transistor [Copy link]

The transistor is one of the most commonly used devices in electronic circuits. In many cases, we will encounter the test and judgment of the quality of the transistor, such as using a multimeter for simple testing or using a special instrument for detection, but the test is relatively complicated. In practice, the author has used a transistor test circuit with a simple circuit and convenient and intuitive testing, and the effect is quite good. In normal use, this test circuit can make a qualitative judgment on the quality of the transistor and can meet the needs.