是不是我讲的不太详细呢?0 }. ]( Y- j' G2 E& B' x( w5 G2 l
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 8 N& c3 u; S0 J% I' v( h+ e+ Fi can't understand it ,would you please help me ,thank you !