FIG. 1.

Schematic of the eight-channel TEM transmit coil. The ring structure at the closer end of the device is used for improving decoupling. The Full Coil Model (left) and Idealized Coil Model (right) differ in that the former includes all lumped capacitors and the latter excludes all those from channels other than the one under consideration. In practice these capacitors can be removed using circuit co-simulation by setting their associated ports in the Full Coil Model to be open circuit (i.e., by assigning a vanishingly small capacitance) (27).