
[問題] 電子學 差動放大器

第一個問題,為什麼紅筆的地方是0mA
http://i.imgur.com/CO5BCFK.jpg

第二個問題是,輸入Q3,Q4的大小方向都相同,並沒有一正一負。
以上如果看不懂我在問什麼,我可以在寫仔細點@@
以上煩個位提點我一下
3Q..
電子學真的不好學,約來越難了....
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推
06/21 15:26, , 1F
06/21 15:26, 1F
→
06/21 17:34, , 2F
06/21 17:34, 2F
推
06/21 18:29, , 3F
06/21 18:29, 3F
→
06/21 18:32, , 4F
06/21 18:32, 4F
→
06/21 18:32, , 5F
06/21 18:32, 5F
推
06/21 18:33, , 6F
06/21 18:33, 6F
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06/21 20:19, , 7F
06/21 20:19, 7F
→
06/21 21:10, , 8F
06/21 21:10, 8F
→
06/21 21:54, , 9F
06/21 21:54, 9F
→
06/21 22:07, , 10F
06/21 22:07, 10F
推
06/21 22:12, , 11F
06/21 22:12, 11F
→
06/21 22:19, , 12F
06/21 22:19, 12F
→
06/22 00:14, , 13F
06/22 00:14, 13F

→
06/22 00:15, , 14F
06/22 00:15, 14F
→
06/22 00:15, , 15F
06/22 00:15, 15F
→
06/22 00:16, , 16F
06/22 00:16, 16F
→
06/22 00:16, , 17F
06/22 00:16, 17F
→
06/22 00:17, , 18F
06/22 00:17, 18F
→
06/22 00:17, , 19F
06/22 00:17, 19F
推
06/22 15:04, , 20F
06/22 15:04, 20F
→
06/22 15:05, , 21F
06/22 15:05, 21F
→
06/22 15:07, , 22F
06/22 15:07, 22F
→
06/22 15:08, , 23F
06/22 15:08, 23F
推
06/23 21:12, , 24F
06/23 21:12, 24F
→
06/23 21:14, , 25F
06/23 21:14, 25F
→
06/23 21:14, , 26F
06/23 21:14, 26F
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