是不是我讲的不太详细呢?. T% q' M; u R; m4 e/ l9 g. a
when the minority carriers density inject into base region approaches the majority cairriers density thereby increaseing the majority carrier charge in the base ,thus reduce the emitter efficiency and beta - C2 |, I8 o T. x2 \( n8 Ai can't understand it ,would you please help me ,thank you !