usb host - My USB D+ and D- signals have what looks like a clock signal embedded onto it. The chip is a ISP1362 - Electrical Engineering Stack Exchange
Hi-accuracy 12Bit PC-Based USB Oscilloscope 2CH 20MHz DDS Signal Generator 20MHz | eBay
Loto USB/PC Oscilloscope OSCH02X, Sampling 1G S/s, BW 100M Hz, 2-Channel || Oscilloscope+Signal Generator+Logic Analyzer || 8~13 bit Vertical Resolution || Protocols Decoding, FFT, Digital FIR Filter: Amazon.com: Industrial & Scientific
EEVblog #340 - USB 3.0 Eye Diagram Measurement - YouTube
How to measure differential signals using an oscilloscope [Examining the ADSL2+] - Technology - PCBway
BitScope Mini Model 10 | World's Smallest Mixed Signal PC Based USB Oscilloscope!