箝位電路的基準電壓 - 考試
By Iris
at 2015-11-20T17:53
at 2015-11-20T17:53
Table of Contents
http://i.imgur.com/QW1fJRY.jpg
如圖所示,我有兩個問題
1.請問這是箝位電路嗎?
為什麼沒有電容C存在,這樣要如何箝位?
2.為什麼答案是A?
我其實完全沒懂,這基準電壓不是看要將近電路重新建立在某一個參考準位上來決定嗎?
請各位大大幫忙,感謝!!!
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