[問題] 差動放大器的頻率響應
smith電子學講的差動放大器頻率響應有一個CC-CB configuratoin,
它的小信號等效電路的E節點是怎麼化簡的?書上說直覺就可以看出來,
可是我完全沒辦法,可不可以教我一下?...謝謝。
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