ETS-Lindgren 7606 Coil Antenna/Shielded Coil - Manual (Page 18)

Model 7605
Model 7605 is used alone to produce an AC magnetic field to test Equipment
Under Test (EUT) for susceptibility (immunity) to magnetic fields in the frequency
range from 30 Hz to 100 kHz. It consists of 20 turns of AWG-12 enamel-insulated
copper wire close-wound with an average diameter of 12 cm. It is capable of
carrying 15 A rms, but if this level of coil current is sustained for long periods, the
coil will become warm. It has a coil resistance of approximately 40 mΩ and an
inductance of approximately 71.8 µH.
E QUATION 1
Equation 1 derived from [7] gives the relationship between coil current and
magnetic flux density.
Equation 1 may be simplified for computation as shown in equation 2.
E QUATION 2
18 | Theory of Operation