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  Overview of the EMC Measurement and testing methods: Interference emission        automotive EMC

 

Measurement

Equipment

standard/directive

1

Conducted interferences in the vehicle

Digital oscilloscope          (500 MHz analog bandwidth), current probe measurement system

ISO 7637 part 1, 2;

Directive 2004/104/EC

2

Radiated interferences in the vehicle

Tubular wave coupler

in preparation

3

Conducted interferences of the components in the laboratory, supply and signal lines

Digital oscilloscope, artificial board network, electronic battery switch

ISO 7637 part 1, 2;

Directive 2004/104/EC

4

Conducted radio interference voltage

Spectrum analyzer/test receiver, artificial board network

EN 55025 (CISPR 25);

Directive 2004/104/EC

5

Radiated interference field strength of the components in the laboratory or free room

50 ohm-stripline/antenna set, spectrum analyzer/test receiver

EN 55025 (CISPR 25);

Directive 2004/104/EC

6

Interference emission of the semiconductors

Special accessories, spectrum analyzer, test receiver

for instance GIFT ICT CAN TC EMC

 

  Overview EMC measurement and testing methods: Interference immunity        automotive EMC

 

Measurement

Equipment

standard/directive

1

components interference immunity against conducted interferences on supply lines

Interference generator for standard pulses 1, 2, 2 a, 3 a, 3 b, 4, 5; artificial board network; digital oscilloscope

ISO 7637 part 1, 2;

Directive 2004/104/EC

2

Components interference immunity against coupled interferences on signal-, bus- and control lines

Interference generator for standard pulses 3 a, 3 b, artificial board network; digital oscilloscope capacitive coupling clamp, BCI clamp

ISO 7637 part3

3

Components interference immunity against radiated electrical fields

50 ohm-stripline or BCI clamp/tubular wave coupler or antenna set for radiation; modulable signal generator with width band power amplifier, measurement systems for power and field strengths,

Max. values with stripline:

to 400 MHz: 500 V/m

to 1 GHz: 250 V/m

ISO 11452 part 5

ISO 11452 part 4

ISO 11452 part 2

Directive 2004/104/EC

4

Electrostatic discharge

ESD simulator

ISO 10605

5

Interference immunity of semiconductors

Special accessories,          HF generation

for instance GIFT ICT CAN TC EMC

 

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