测试发射结压降——检修和调试电路的有用手段

Testing Voltage of Emitter Junction A Useful Means to Service and Debugging of Circuit

测试三极管发射结压降对判断管子工作状态是否正常及管子是否损坏是很有用的．

It is very useful to judge whether operating mode of a transistor is normal or damaged by testing the emitter junction voltage of the transistor.