Shall We Use a Ferrite Bead in Power Rail or Not? | Explained by Eric Bogatin
Robert Feranec Robert Feranec
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 Published On Nov 3, 2023

When a ferrite bead should not be used in power rail and when it is ok. Thank you Eric.

Links:
- Eric's Linked In:   / eric-bogatin-368860  
- Study High-Speed Digital Engineering at University: https://www.colorado.edu/ecee/academi...
- What Decoupling Capacitor Value To Use And Where To Place Them    • What Decoupling Capacitor Value To Us...  
- FEDEVEL courses: https://fedevel.com/courses

Chapters:
00:00 The problem
00:32 Power distribution network
02:56 What is inductance and why it is a problem
09:18 What is ferrite bead
12:30 The problem for what we need beads
18:15 Solution: LDO
19:44 Solution: Filter (ferrite bead)
22:58: Inductor in power rail: Yes or No?
26:46 Practical example: Setup
34:17 Measurement: No filter
36:12 Measurement: Ferrite bead only
38:36 Measurement: Ferrite bead + capacitor

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It is much appreciated. Thank you,
- Robert

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