Comparison of differences between commonly used EMC experimental projects for automotive electronics and projects corresponding to military standards

1

GB/T 18655-2018

CISPR 25:2016

Radio disturbance characteristics of vehicles, ships, and internal combustion engines - Limits and methods of measurement for the protection of on-board receivers

Radiation emission

Conducted emission

2

GB/T 21437.2-2008

ISO 7637-2:2004

Road vehicles - Electrical disturbances caused by conduction and coupling - Part 2: Electrical transient conduction along power lines

Power line transient conduction immunity

3

ISO 7637-2:2011

Road vehicles - Electrical disturbances caused by conduction and coupling - Part 2: Transient conduction along power supply lines only

Power line transient conduction immunity

4

GB/T 21437.3-2012

ISO 7637-3:2007

Road vehicles - Electrical disturbances caused by conduction and coupling - Part 3: Electrical transient emissions from conductors other than power lines through capacitive and thank coupling

Signal line transient conduction immunity

5

ISO 7637-3:2016

Road vehicles - Electrical disturbances caused by conduction and coupling - Part 3: Electrical transient transmission through capacitive and inductive coupling on lines other than power supply lines

Signal line transient conduction immunity

6

GB/T 17619-1998

Limits and measurement methods for electromagnetic radiation immunity of automotive electronic and electrical components

Electromagnetic radiation immunity

7

GB/T 33014.2-2016

ISO 11452-2:2004

Road vehicles - Test methods for immunity of electrical and electronic components to narrowband radiated electromagnetic energy - Part 2: Anechoic chamber method

RF radiation immunity

8

GB/T 33014.4-2016

ISO 11452-4:2011

Road vehicles - Test methods for immunity of electrical and electronic components to narrowband radiated electromagnetic energy - Part 4: Large current injection (BCI) method

High current injection method (BCI)

9

ISO 11452-8:2015

Road vehicles - Component test methods for narrowband radiated electromagnetic energy electrical interference - Part 8: Magnetic field immunity

Low frequency magnetic field immunity

10

GB/T 19951-2019

Test Method for Immunity of Electrical and Electronic Components of Road Vehicles to Electrostatic Discharge

Electrostatic discharge immunity

11

ISO-10605

Road vehicles - Test methods for electrostatic discharge electrical interference

Electrostatic discharge immunity

1

CE101

Conducted emissions from 25Hz to 10kHz power lines

2

CE102

Conducted emissions from 10kHz to 10MHz power lines

3

CE106

Conducted emission from 10 kHz to 40 GHz antenna terminals

4

CE107

Conducted emission of power line spikes (time domain)

5

CS101

Conducted Susceptibility of 25Hz~150kHz Power Lines

6

CS102

Conducted Susceptibility of 25Hz~50kHz Ground Wire

7

CS103

15 kHz~10 GHz antenna port intermodulation conduction sensitivity

8

CS104

25Hz~20GHz antenna port useless signal suppression conducted sensitivity

9

CS105

25Hz~20GHz antenna port intermodulation conduction sensitivity

10

CS106

Power line spike signal conduction sensitivity

11

CS109

50Hz~100kHz shell current conduction sensitivity

12

CS112

Electrostatic discharge sensitivity

13

CS114

4 kHz~400 MHz cable bundle injection conduction sensitivity

14

CS115

Conducted sensitivity of cable bundle injection pulse excitation

15

CS116

10 kHz to 100 MHz cable and power line damping sinusoidal transient conduction sensitivity

16

RE101

25Hz~100kHz magnetic field radiation emission

17

RE102

Electric field radiation emission from 10kHz to 18GHz

18

RE103

Harmonic and spurious output radiation emissions from 10 kHz to 40 GHz antennas

19

RS101

25Hz~100kHz magnetic field radiation sensitivity

20

RS103

Electric field radiation sensitivity from 10kHz to 40GHz

21

RS105

Transient electromagnetic field radiation sensitivity

Test harness

Power, control, and signal lines

Equipment power line includes return line

Test frequency

0.15MHz~245MHz

25Hz~10kHz

Limits

Define segmented limits based on different frequency ranges, and divide them into Levels 1 to 5 according to different levels

According to different platforms, it is applicable to submarines, surface ships, submarines, naval aircraft, and army aircraft. Different limits are selected based on different load currents, input power, and EUT rated voltage.

Main test equipment

Receiver, current probe, impedance stabilization network, etc

Receiver, current probe, impedance stabilization network, etc

detection mode

PK、QP、AV

PK

Current probe position

50mm and 750mm from EUT

50mm from LISN

Test harness

Positive power supply line and power return line

Equipment power line includes return line

Test frequency

0.15MHz~108MHz

10kHz~10 MHz

Limits

Define segmented limits based on different frequency ranges, and divide them into Levels 1 to 5 according to different levels

Select different limits based on the EUT rated voltage.

Main test equipment

Receiver, impedance stabilization network, etc

Receiver, impedance stabilized network, 20dB attenuator, etc

detection mode

PK、QP、AV

PK

Test frequency

0.15MHz~2.5 GHz

10kHz~18 GHz

Limits

Define segmented limits based on different frequency ranges, and divide them into Levels 1 to 5 according to different levels

Limits applicable to submarines, surface ships, aircraft, space systems, and the ground vary depending on the platform.

Main test equipment

Receiver, mast antenna, biconical antenna, logarithmic periodic antenna, horn antenna, etc

Receiver, mast antenna, biconical antenna, double ridge horn antenna, etc

detection mode

PK、QP、AV

PK

Antenna polarization direction

Use pole antenna below 30MHz: vertical polarization

Above 30MHz: horizontal polarization, vertical polarization

Use pole antenna below 30MHz: vertical polarization

Above 30MHz: horizontal polarization, vertical polarization

Test frequency

1MHz~400 MHz

4kHz~400 MHz

Test method

Closed loop method

Closed loop method

Test location

Closed loop method: the injection probe is 900mm (± 10mm) away from the EUT

Alternative method: The distance between the injection probe and the EUT connector is 150 ± 50mm, 450 ± 50mm, and 750 ± 50mm, respectively

The monitoring probe is 5cm away from the EUT connector; The injection probe is 5cm away from the monitoring probe

Interference signal type

CW

AM modulation; Modulation frequency 1kHz, modulation amplitude 80%

PM modulation, modulation frequency 1kHz, duty ratio 50%

Test harness

Power and signal lines

Power and signal lines

Limits

Divided into Levels 1 to 4 according to different levels

There are 5 limits based on the platform used

Main test equipment

Signal source, power amplifier, directional coupler, injection probe, monitoring probe, LISN, etc

Signal source, power amplifier, directional coupler, injection probe, monitoring probe, LISN, etc

Test frequency

25Hz~150 kHz

25Hz~100 kHz

test method

Substitution method

Closed loop method

Limits

Divided into Levels 1 to 4 according to different levels

There are two limits for Army and Navy platforms

Main test equipment

Signal source, 20 turn radiation loop antenna with a diameter of 12 cm or AC Helmholtz coil, current probe, etc

Signal source, 20 turn radiation loop antenna with a diameter of 12 cm or AC Helmholtz coil, current probe, LISN, etc

Test frequency

80 MHz~18 GHz

10 kHz~40 GHz

Test method

Substitution method

Closed loop method

Interference signal type

ISO 11452-1:2015

80 MHz to 800 MHz: CW, AM modulation (modulation frequency 1 kHz, modulation amplitude 80%)

800 MHz to 1.2 GHz&1.4 GHz to 2.7 GHz: CW, PM1 modulation (pulse width 577us, cycle 4600us)

1.2 GHz~1.4 GHz & 2.7 GHz~18 GHz：

CW, PM2 modulation (pulse width of 3us, cycle 3333us)

PM调制：调制频率1kHz，占空比50%

Test location

Below 1GHz: Align the antenna reference point with the center of the harness

Above 1GHz: antenna reference point aligned to EUT

Below 200 MHz: Test the centerline of the boundary edge of the configuration

200MHz~1GHz: The overall width of the EUT housing and the first 35cm segment of the terminating cable are within the 3dB lobe width of the antenna

Above 1GHz: The overall width of the UT housing and the first 7cm segment of the terminating cable are within the 3dB lobe width of the antenna

Antenna polarization

Vertical polarization: 80MHz~18GHz:

Horizontal polarization: 400MHz~18GHz

Below 30MHz: vertical polarization

Above 30MHz: vertical polarization, horizontal polarization

Limits

Recommended level: 25V/m~100V/m

5V/m~200V/m selected based on different platforms and test frequency bands

Main test equipment

Signal source, power amplifier, transmitting antenna, receiving antenna, field strength probe, power meter, directional coupler, attenuator, etc

Signal source, power amplifier, transmitting antenna, receiving antenna, field strength probe, power meter, directional coupler, attenuator, LISN, etc