[問題] 輸出級source folloer及common source
大家好,想請問一下各位標題這兩種電路的優缺點,我先列出查書的結果
source follower輸出阻抗小,但無法rail to rail ,common source 曾益大,但暫態電流容易受vdd及製成影響,但可以rail to rail,比較想知道source follower的更多優點,目前判斷是此架構少了CS的miller effect所以速度理論上應該比較快,另外有爬文提到slew rate比較高但不清楚為什麼?請大家給個意間,謝謝!!
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