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What is this video about
What TDR is and what it does?
What is characteristic impedance
Why reflections are bad
Why do we use 50 ohm in pcb tracks?
Are lower impedance tracks more immune to noise?
Can you use any impedance for differential pairs?
What is difference between closely and loosely coupled diff impedance
Experimenting with TDR simulation
Measuring and explaining TDR on a simple pcb track
Can we do TDR on a real board?
Measuring and explaining TDR on a pcb track with different width
Answer: Why we sometimes remove ground under pads
Measuring a coaxial cable with TDR
Why you may need TDR are where it is used
Do we really need to care about small changes in impedance? When?
Robert Feranec
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