Measurement and Modeling of Bias-Dependent Powder Cores Permeability Tommaso Bradde, Arne Schröder, Dierk Bormann, Alexandru Savca, Stefano Grivet-talocia (2025) Measurement and Modeling of Bias-Dependent Powder Cores Permeability, In: 29th IEEE Workshop on Signal and Power Integrity, SPI 2025, pp. 1-4