USB隔离器除了 "隔离IC" 之外，有人注意到 intona 的 reclocker 晶振 吗？
想到说7055C的部份听感，有点像是10M BNC时钟的听感
https://intona.eu/en/support/answer/reclock
Does the Isolator affect signal quality?
The 7054-based USB Hi-Speed Isolator is a phy-level
receiver/isolator/reclocker/repacketizer working at a bidirectional ...
其实也是看到淘宝上面特别强调 换晶振 的淘宝牌
ADuM416X USB2.0
价钱也跟 intona 差不多
https://item.taobao.com/item.htm?&id=684485125510
才想起来7055C的部份听感，有点像BNC时钟的听感
PS.
7055-E 纯USB3.0也有了
does not support USB 2.0 in any way
https://intona.eu/en/products/buy/7055/