NXP Semiconductors PN7462AU - PCB for Individual Antenna Matching

NXP Semiconductors
UM10883
PN7462 family Quick Start Guide - Development Kit
UM10883
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User manual
COMPANY PUBLIC
Rev. 1.6 — 14 May 2018
319816
28 of 120
General component
Component
PNEV7462C
Value
Comment
C1
C35/ C49
33pF
C1 split in 2 parallel
capacitors
C37/ C47
1pF
C2
1
C40/ C46
120pF
C2
2
C41/ C43
68pF
R
s
R117/ R119
2,2Ω
R
s
split in 2 parallel
resistors
R118/ R120
2,2Ω
Note: Without proper DPC calibration the loading and detuning might exceed the ITVDD
limit, if the symmetrical tuning is used. This might destroy the NFC reader IC
4.2.4.2 PCB for individual antenna matching
Development kit contains 3 PCB boards for individual antenna matching. This boards are
intended for prototyping custom asymmetrical or symmetrical (DPC) antenna design.
Default matching circuit can be replaced by individual antenna matching PCB.