AN 26.2 - Implementation Guidelines for SMSC's USB 2.0 and USB 3.0 Hub Devices - SMSC
Understanding Impedance Matching in PCB Design with Example and Calculation
USB 2.0 Printed Circuit Board Design
AN0046: USB Hardware Design Guidelines
4 layer stackup differential pair for USB, Impedance question | Forum for Electronics
Routing Requirements for a USB Interface on a 2-Layer PCB | Blog | CircuitMaker
Calculating Differential Impedance for USB Differential Pair
Do USB Data Wires (D+/D-) have 90 ohm differential impedance and single ended 45 ohm impedance to ground and if so how is this made? - Electrical Engineering Stack Exchange
How to Route Differential Pairs in KiCad (for USB)
How to Route Differential Pairs in KiCad (for USB)
pcb design - Understanding USB Differential and Single Ended Impedance Requirements - Electrical Engineering Stack Exchange
Differencial pair impedance calculator - Software - KiCad.info Forums
Differential impedance calculator in Kicad? - Layout - KiCad.info Forums
How to Route Differential Pairs in KiCad (for USB)
Characteristic Impedance | Sierra Circuits
The stackup for 90 ohms impedance for USB | Weller PCB
USB trace impedance calculations, with termination resistors - Electrical Engineering Stack Exchange
Impedance matching analysis and EMC validation of a low-cost PCB differential interconnect | Semantic Scholar
PCB layout: Selecting the track width and spacing for a differential signal
USB Differential Pair Trace width and Spacing Calculation | Forum for Electronics
Routing Requirements for a USB Interface on a 2-Layer PCB | Blog | CircuitMaker
pcb design - Understanding USB Differential and Single Ended Impedance Requirements - Electrical Engineering Stack Exchange
How to Analyze USB PCB Layout with PollEx SI - Altair Community
