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Impedance Calculation of an Aircoil as a Function of Frequency The impedance curve of an aircoil can be calculated by inductance, capacitance and eddy current power losses. The prediction of this properties is important for etched windings on PCBs because samples cost time and money.

Figure 3.1 H – vectorfield of an aircoil

Figure 3.2 current density distribution of the coil connection

Of course it is also possible to deliver a SPICE model and to simulate it.