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
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USB - Wikipedia
Switching in USB Consumer Applications | Analog Devices
Switching in USB Consumer Applications | Analog Devices
USB trace impedance calculations, with termination resistors - Electrical Engineering Stack Exchange
How to Route Differential Pairs in KiCad (for USB)
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Routing Requirements for USB 2.0 on a 2-Layer PCB | Blog | CircuitMaker
AN 26.2 - Implementation Guidelines for SMSC's USB 2.0 and USB 3.0 Hub Devices - SMSC
Looking Under the Hood at High Speed Signaling Specs | 2019-10-23 | Signal Integrity Journal
Application Notes 16.9 - USB331x USB Transceiver Layout Guidelines - SMSC
SP2T Switch with Impedance Detection Micro-USB Switch to Support USB, UART TSU6111 FEATURES | Manualzz
October 10, USB 2.0 Test Modes and Their Application Jon Lueker Intel Corporation. - ppt download
pcb design - Understanding USB Differential and Single Ended Impedance Requirements - Electrical Engineering Stack Exchange
Agilent Technologies N5416A Automated USB 2 - ppt video online download
USB in a NutShell - Chapter 2 - Hardware
pcb design - Understanding USB Differential and Single Ended Impedance Requirements - Electrical Engineering Stack Exchange
USB trace impedance calculations, with termination resistors - Electrical Engineering Stack Exchange
Understanding and Performing USB 2.0 Physical Layer Testing and Debugging
AN 26.2 - Implementation Guidelines for SMSC's USB 2.0 and USB 3.0 Hub Devices - SMSC
