A New Fractal-Based Design of Stacked Integrated Transformers

<table>The inductance and quality factor as a function of frequency for stacked transformer, (a) 3rd-order Hilbert curve, <svg height="18.0625" id="M23" style="vertical-align:-5.73167pt" version="1.1" viewbox="0 0 92.262497 18.0625" width="92.262497" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.017,-0,0,-.017,.062,7.675)"><path d="M538 96q-38 -45 -84 -76.5t-71 -31.5q-44 0 -15 117q12 49 18 89h-2q-99 -128 -163 -178q-36 -28 -70 -28q-26 0 -44 38h-2q-16 -69 -16 -129q0 -43 11 -75.5t24 -42.5l1 -6q-7 -12 -24.5 -23t-37.5 -11q-40 0 -40 76q0 52 35 202l94 407l78 24l5 -5q-32 -122 -72 -310
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</svg>m, (b) 3rd-order Hilbert curve, <svg height="18.1625" id="M25" style="vertical-align:-5.73167pt" version="1.1" viewbox="0 0 84.099998 18.1625" width="84.099998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>m.</table>

Active and Passive Electronic Components

A New Fractal-Based Design of Stacked Integrated Transformers

Figure 7