My High-speed USB device randomly drops off or (falsely) disconnects from the Hub downstream facing port.
Reducing ringing or reflections by controlling impedance lines
Routing Requirements for USB 2.0 on a 2-Layer PCB | Blog | CircuitMaker
What is Differential Impedance and Why do We Care? | Signal Integrity Journal
The stackup for 90 ohms impedance for USB | Weller PCB
Should I consider my design as Stripline in USB differential pair impedance calculation? | All About Circuits
Calculating Differential Impedance for USB Differential Pair
Using the sensitivity analysis of the Si9000e transmission line field solver to achieve both differential (Zdiff) and common (Zcommon) impedance requirements
Routing Requirements for USB 2.0 on a 2-Layer PCB | Blog | CircuitMaker
How to Route Differential Pairs in KiCad (for USB)
Understanding Impedance Matching in PCB Design with Example and Calculation
USB trace impedance calculations, with termination resistors - Electrical Engineering Stack Exchange
impedance - Adding 90 ohm resistors to DIY USB cable? - Electrical Engineering Stack Exchange
USB 2.0 long stubs versus improper impedance matching
Switching in USB Consumer Applications | Analog Devices
Custom USB Impedance question - Electrical Engineering Stack Exchange
pcb design - Advice for 90 Ohm traces of a USB 2.0 HUB - Electrical Engineering Stack Exchange
