User's Guide

LE920 Hardware User Guide
1vv0301026 Rev.11 2019-11-21
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Reserved. Page 78 of 86
15.4. EMC recommendations
All LE920 signals are provided with some EMC protection. Nevertheless the accepted level
differs according to which pin. The characteristics are described in the following Table:
Pad Signal I/O Function Contact Air
All Pins
All ± 4KV ± 8KV
Antenna
AD1,AU9,S1
Antenna
Pad
s
AI Antenna pad ± 8KV ± 15KV
Appropriate series resistors must be considered to protect the input lines from overvoltage.