
[課業] 電子學急迫!!

如果這題有射極電阻,該如何求vo vb之間的增益進而用米勒拆橋呢?
平常我都直接用(-gm)直接乘以(Rf//Rc),
如果加RE
可否用平常有射極電阻求增益的
gm/(1+gmRe) * 輸出電阻呢?
或是有沒有快速點的方法呢?
跪求高手解密
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