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What Every PCB Designer Needs to Know About PCB Track Impedance - TDR - Eric Bogatin
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- 1 What is this video about
- 2 What TDR is and what it does?
- 3 What is characteristic impedance
- 4 Why reflections are bad
- 5 Why do we use 50 ohm in pcb tracks?
- 6 Are lower impedance tracks more immune to noise?
- 7 Can you use any impedance for differential pairs?
- 8 What is difference between closely and loosely coupled diff impedance
- 9 Experimenting with TDR simulation
- 10 Measuring and explaining TDR on a simple pcb track
- 11 Can we do TDR on a real board?
- 12 Measuring and explaining TDR on a pcb track with different width
- 13 Answer: Why we sometimes remove ground under pads
- 14 Measuring a coaxial cable with TDR
- 15 Why you may need TDR are where it is used
- 16 Do we really need to care about small changes in impedance? When?
