LEDs also have capacitance (all semiconductor junctions do). Even though it’s only a few dozen pF, it causes the resonant frequency to drift away from 13.56MHz. The capacitance and the Inductance have to be juuuuussstt right
LEDs also have capacitance (all semiconductor junctions do). Even though it’s only a few dozen pF, it causes the resonant frequency to drift away from 13.56MHz. The capacitance and the Inductance have to be juuuuussstt right