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AN 26.2 - Implementation Guidelines for SMSC's USB 2.0 and USB 3.0 Hub Devices - SMSC
PCB LAYOUT AUTHORITY: SuperSpeed USB 3 Design Guide
USB trace impedance calculations, with termination resistors - Electrical Engineering Stack Exchange
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USB line impedance seems to be really bad · Issue #41 · UltimateHackingKeyboard/uhk60v1-electronics · GitHub
Impedance Matching for High Speed Signals in PCB Design | NWES Blog
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pcb design - Understanding USB Differential and Single Ended Impedance Requirements - Electrical Engineering Stack Exchange
Effective USB 3.1 Filtering and Protection
USB Impedance / PCB impedance calculation - Electrical Engineering Stack Exchange
Tom's Circuits – PC Board Layout for USB-C Connectors | Tempo
Routing Requirements for a USB 2.0 Impedance Interface on a 2-Layer PCB | Blog | CircuitMaker
USB trace impedance calculations, with termination resistors - Electrical Engineering Stack Exchange
PCB Routing Requirements for USB 2.0: Ultimate Guide
TUSB73x0 Board Design and Layout Guidelines (Rev. E)
Application Notes 16.9 - USB331x USB Transceiver Layout Guidelines - SMSC
Why So Important of PCB Impedance Control ? - Printed Circuit Board Manufacturing & PCB Assembly - RayMing
Routing Requirements for a USB 2.0 Impedance Interface on a 2-Layer PCB | Blog | CircuitMaker
Impedance Matching in PCB Design – PCB HERO
Differencial pair impedance calculator - Software - KiCad.info Forums
