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H Probe Usage

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The CW505_Planar_H-Field_Probe (or another H-field probe) can be used to perform side-channel power analysis on a target without inserting a series shunt resistor. In practice this is very simple, it ends up requiring you to (reliably) hold the probe over the chip, for example as shown here:

Hprobe xmega.jpg

Video Example

Trace Comparison

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