AN2846

Electromagnetic compatibility (EMC) requirements

Doc ID 15130 Rev 1

31/35

Figure 40 shows the output MISO behavior is not disturbed during fast transient bursts. The

FTB signal has been captured through an antenna to observe where the bursts act.

Figure 40.

Output MISO behavior during fast transient bursts

Figure 41.

Test bench

FTB 200 µs = 5 kHz

=

CS

MISO

/SCK

FTB

+ 4.0 kV

HAEFELY FTB generator

Capacitive clamp

OFI

SCLT3 board

Bat1

SCLT3 inputs, Gnd

Bat2

Fiber

optic

cable