USB Reclocker with a USB3503

Thread Starter

Stavros Avramidis (asder)

Joined Jul 12, 2018
Hello, I want (/try) to make a usb "reclocker" with a microchip USB3503 (
I tried to copy their reference design a bit. I have some questions.

1. If the design seems fine ?
2. I suppose there won't be a serious ground loop if I use a floating power supply for powering the hub& usb device ?
3. The chip specifies multiple selectable frequencies for the clock, would be there an optimal one or the jitter will be approx. the same ?

I uploaded schematic and pcb on gdrive (