[理工] [電子] BJT集級回授
GND
|
|
↘
|___
| |
╱ |
|____|
|
↑
Rout
請問這樣看上去的阻抗 = re//rπ//ro
or re//ro (沒有rπ)
我認為是re//ro
但是史密絲在分析BJT電流鏡當主動負載的時候
差模是re//ro
共模變re//ro//rπ
這到底是...?!
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 111.249.160.19
推
11/16 11:10, , 1F
11/16 11:10, 1F
※ 編輯: dkcheng 來自: 111.249.160.19 (11/16 11:18)
→
11/16 15:29, , 2F
11/16 15:29, 2F
→
11/16 15:31, , 3F
11/16 15:31, 3F
→
11/16 16:24, , 4F
11/16 16:24, 4F
→
11/16 18:46, , 5F
11/16 18:46, 5F
推
11/17 00:27, , 6F
11/17 00:27, 6F
→
11/17 11:26, , 7F
11/17 11:26, 7F
推
11/17 14:14, , 8F
11/17 14:14, 8F
→
11/17 14:52, , 9F
11/17 14:52, 9F