IN3LBQ on the Hühnerspiel (Amthorspitze) - photo by IN3OTD

Measurements on magnetic cores

Unknown big bead (tube)

ferrite_tube_1t.jpg

ferrite tube measurement setup, 1 turn ferrite tube, 1 turn measurement result

ferrite_tube_2t.jpg

ferrite tube measurement setup, 2 turns ferrite tube, 2 turns measurement result ferrite toroid, 1 turn measurement, comparison with old Fair-Rite 43 material

Unknown toroid

ferrite_toroid_1t.jpg

ferrite_toroid_1t ferrite toroid, 1 turn measurement result

ferrite_toroid_2t.jpg

ferrite_toroid_2t ferrite toroid, 2 turns measurement result

Unknown toroid, coaxial line method

[1] [2]

ferrite_tube_open.jpg

ferrite_tube_open

ferrite_tube_short.jpg

ferrite_tube_short


References:

[1] V. Radonić, N. Blaž and Lj. Živanov "Measurement of Complex Permeability Using Short Coaxial Line Reflection Method," Eleventh Annual Conference of the Materials Research Society of Serbia, YUCOMAT 2009.
[2] N. Blaž, A. Marić, G. Radosavljević, L. Živanov, G. Stojanović, I. Atassi and W. Smetana "Modeling and Characterization of Frequency and Temperature Variation of Complex Permeability of Ferrite LTCC Material," Progress In Electromagnetics Research B, Vol. 23, 131-146, 2010.