IntroductionEngineers involved in the design, characterization and validation of USB 2.0 devices face daily pressures to speed new products to the mar
Application Note www.tektronix.com/usb10Effect of Oscilloscope Sample Rate on TestingTo capture information at edge speeds as fast as 500 ps, you need
www.tektronix.com/usb 11Understanding and Performing USB 2.0 Physical Layer Testing and DebuggingTest FixtureThe test fixture is the most crucial compo
Application Note www.tektronix.com/usb12Debugging USB 2.0 DesignsProduct designs with USB 2.0 interfaces usually contain a wide variety of analog and
www.tektronix.com/usb 13Understanding and Performing USB 2.0 Physical Layer Testing and DebuggingTime-Correlated Bus DecodeTime-correlated displays of
Application Note www.tektronix.com/usb14
www.tektronix.com/usb 15Understanding and Performing USB 2.0 Physical Layer Testing and Debugging
ConclusionUSB 2.0 technology provides the device designer a migration path for high-performance peripherals that preserve the ease-of-use consumers ha
Application Note www.tektronix.com/usb2USB 2.0 Compliance Testing BasicsUSB 2.0 is a serial bus that utilizes a 4-wire system — VBUS, D-, D+ and Groun
www.tektronix.com/usb 3Understanding and Performing USB 2.0 Physical Layer Testing and DebuggingWhile performing compliance testing, you need to set u
Application Note www.tektronix.com/usb4In-Rush Current CheckBecause USB 2.0 is a hot-pluggable technology, extreme care is required to ensure that the
www.tektronix.com/usb 5Understanding and Performing USB 2.0 Physical Layer Testing and DebuggingTest EquipmentDrop tests require a multi-meter. The op
Application Note www.tektronix.com/usb6Test EquipmentThe receiver sensitivity test requires a real-time oscilloscope, such as a MSO/DPO5204 or DPO7254
www.tektronix.com/usb 7Understanding and Performing USB 2.0 Physical Layer Testing and DebuggingMonotonicity TestWhen performing a USB 2.0 high-speed
Application Note www.tektronix.com/usb8Impedance Measurement TestDue to the high signal rates of USB 2.0 High-Speed mode, trace and packaging impedanc
www.tektronix.com/usb 9Understanding and Performing USB 2.0 Physical Layer Testing and DebuggingSelecting Tools for USB 2.0 Physical Layer TestingReal
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