2190| 8
|
碰到一非门电路,有点看不懂,麻烦赐教! |
发表于 2016-2-19 08:40:08
|
显示全部楼层
点评
其实两个三极管跟其他偏置电阻都不贴,这两个0R贴上再保留R615,实际是Vbus电平根1.8V电平转换,保守设计用两个三极管隔离,实际上就串个电阻了事
| ||
发表于 2016-2-19 13:50:00
|
显示全部楼层
| ||
| ||
Archiver|手机版|小黑屋|52RD我爱研发网 ( 沪ICP备2022007804号-2 )
GMT+8, 2024-11-27 09:43 , Processed in 0.064617 second(s), 22 queries , Gzip On.
Powered by Discuz! X3.5
© 2001-2023 Discuz! Team.