ISO 11452-4

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ISO 11452-4 defines harness excitation methods (BCI testing) for road vehicles; the component test methods for electrical disturbances from narrowband radiated electromagnetic energy.

The EMC Shop specializes in automotive EMC testing solutions. Turnkey packages of equipment to meet and exceed test levels up to 400mA is in stock and ready to ship. Although the test standard requires the test to be performed in a shielded enclosure. Many customers performing precompliance testing perform it in their lab or may rent an RF Tent.

SUBSITUTION METHOD - ISO 11452-4

The injection probe shall be placed at the following distances, d, from the connector of the DUT:

  • d = (150 ± 10) mm;
  • d = (450 ± 10) mm;
  • d = (750 ± 10) mm.

If a current measurement probe is used during the test it shall be placed at (50 ± 10) mm from the connector of the DUT.

SETUP DIAGRAM - SIDE VIEW

ISO 11452-4 BCI Test Setup Diagram - Substitution Method

SETUP DIAGRAM - TOP VIEW

ISO 11452-4 Test Setup Diagram - Substitution Method

SUBSITUTION METHOD - ISO 11452-4

Closed-loop method with power limitation:

  • The injection probe shall be placed at (900 ± 10 ) mm from the connector of the DUT.
  • The current measurement probe shall be placed at (50 ± 10) mm from the connector of the DUT.

No need to dilly dally over which method you are using. You've invested in all the equipmenty, using a RF current probe during the test is just good practice, and relatively inezpensive. Once you're a pro like me, you can be lazy about it, as you'll have learned to trust your generator and process, then the current probe is good for the occasional sanity check.

SETUP DIAGRAM - SIDE VIEW

ISO 11452-4 BCI Test Setup Diagram - Closed Loop Method

SETUP DIAGRAM - TOP VIEW

ISO 11452-4 BCI Test Setup Diagram - Closed Loop Method

CALIBRATING BCI PROBE ACCORDING TO ISO 11452-4

RESOURCES

Equipment Required (per ISO 11452-4) Popular Options

ISO 11452-4 TEST EQUIPMENT

Rent Keysight N9048B CISPR 16 EMI Receiver

Rent Keysight N9048B CISPR 16 EMI Receiver

Rent Keysight N9048B CISPR 16 EMI Receiver

Rent Keysight N9048B CISPR 16 EMI Receiver

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ISO 11452-4 Categories

ISO 11452-4 Artificial Networks (AN's)
ISO 11452-4 Artificial Networks (AN's)
ISO 11452-4 Power Amplifiers
ISO 11452-4 Power Amplifiers

ISO 11452-4 Test Equipment, Systems & Solutions