晶体管测试仪电路,Transistor tester
来源：电子发烧友 作者：华强电子网 时间：2019-01-21 16:52
晶体管测试仪电路,Transistor tester
Description
This is basically a high gain amplifier with feedback that causes the LED to flash at a rate determined by the 10u and 330k resistor. Remove one of the transistors and insert the unknown transistor. When it is NPN with the
pins as shown in the photo, the LED will flash. To turn the unit off, remove one of the transistors.
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