如题所述
解ï¼ä½ çç解æ误ï¼è¾å ¥çµé»ä¸å·²ç»èèäºReå Rcçå¼ã
æç»ï¼Ri=Rb1â¥Rb2â¥Ri'ã
å ¶ä¸ï¼Ri'=rbe+ï¼1+βï¼RL'ã
å¨å ¶ä¸ï¼RL'=Reâ¥Rcã
谢谢èå¸