A Class E Driver for Deformable Coils
As explained in Sect. 4.2, a resonant coil driver, of which the class E inverter is a specific topology, combines the inductive load posed by the coil with resonance capacitors. With the appropriate capacitance values, highly efficient power conversion regimes are attained. Since the latter are very susceptible to detuning of the resonant tanks, little variation can be tolerated on the inductance of the driven coil. The use of flexible coils hence is prohibited.
KeywordsEquivalent Series Resistance Phase Comparator Switch Transistor Primary Coil Switch Closure
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