BJT 問題求解 - 考試
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By Dora
at 2014-06-20T14:36
at 2014-06-20T14:36
Table of Contents
各位高手大家好
這是題目
http://ppt.cc/VEbm
這是我算的
http://ppt.cc/4-bP
第一題的解答是Io=200.9mA
第二題的解答是2.2V
怎麼算都算不出以上的答案
第2小題更是奇怪,如果答案所說的2.2V是射極電壓(1.99V)加上0.2V的話
那Vbc不就是(1.99V+0.7V)-2.2V>0
這樣不是不符合順向主動的條件嗎?
--
這是題目
http://ppt.cc/VEbm
這是我算的
http://ppt.cc/4-bP
第一題的解答是Io=200.9mA
第二題的解答是2.2V
怎麼算都算不出以上的答案
第2小題更是奇怪,如果答案所說的2.2V是射極電壓(1.99V)加上0.2V的話
那Vbc不就是(1.99V+0.7V)-2.2V>0
這樣不是不符合順向主動的條件嗎?
--
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