−34 dB
impedance peak reduction
Background
[Placeholder — describe the board: target data rates, power rails involved, the resonance issue found pre-production and why it was a risk.]
Approach
[Placeholder — describe the SIwave PDN analysis setup: importing the board stackup, identifying the problematic power rails, frequency range analyzed.]
SIwave PDN impedance plot (before)
Process
[Placeholder — describe how resonance modes were identified, the decap placement optimization process, what constraints existed (component keep-outs, BOM cost limits).]
Impedance plot before vs after / decap placement map
Results
[Placeholder — quantify the result. −34 dB peak reduction, which rail, what the target impedance spec was and how the final design met it.]
- [Key result 1]
- [Key result 2]
- [Key result 3]