V S = 12V

50 Ohm

10k H z

510 Ohm

136 Ohm

68 Ohm

1. 5n F

=

4 0dB

P

im a x

=5 W

R hode & S c hw art z

SM G

0 .1 - 1000M H z

NA P

P robe

NA P - 7 3

RX

VS

K

IS O i n te rf a c e

VS

TX

K

IS O i n te rf a c e

D£

10 %

Signal comparison

D

P

i

Figure 6: EMS Performance (ISO 9141 BUS system).

∆≤± 10%

1 0000

50 00

10 00

10 0

1

1 0

1 00

100 0

f (M H z )

no t i n c id e n t p ow er re si s tant

in c ide nt po w e r r e s is t a n t

P

i(m W )

Figure 7.

L9637

8/11