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Application note
COMPANY PUBLIC
Rev. 1.1 — 19 June 2018
345311
(1) Green area: target area for standard antenna matching.
Fig 10. Inductance examples versus coil radius
On the other hand, the number of turns defines the relationship of voltage level versus
current level. Especially for the load modulation (see Fig 11) it might be helpful to
increase the number of turns on the PCD antenna coil.
(1) Index1 = PCD
(2) Index 2 = PICC antenna coil
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