Patent ID: 6118365
Filing Date: 2000-09-12
Classification: H01F,H04L

Abstract:
DC biasable interface transformer with a main inductance from 2 to 80 mH and a slight coupling capacitance for a digital transmission system having a magnetic core with primary and secondary windings, said magnetic core being composed of a soft magnetic, at least 70% amorphous alloy with a flat, substantially linear BH loop, and a composition according to the formulaCo.sub.a (Fe.sub.1-c Mn.sub.c).sub.b Ni.sub.d M.sub.e Si.sub.x B.sub.y C.sub.z,wherein M is at least one element selected from the group consisting of V, Nb, Ta, Cr, Mo, W, Ce, P and a b, c, d, e, x, y and z are atom % and meet the following conditions: ##EQU3## said magnetic core being a toroidal tape core having a tape with an average surface roughness R.sub.a of an upper tape side and a lower tape side of less than 8% of a thickness of said tape.