Immunity.Regulation.PositiveTolerance: Difference between revisions

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By default this value is set to 0.1 dB.  
By default this value is set to 0.1 dB.  
When a test level calculates the required change in level, this requested change is compared against the default 0.1 dB found in the advanced settings for the "Immunity.Regulation.PositiveTolerance".
For example, if the test level needs to level with -0.2 dB to get within the positive tolerance of it's own specified level, it is checked that this change of -0.2 dB is greater than the positive regulation tolerance of the test regulator ("Immunity.Regulation.PositiveTolerance") if so the actual change will be regulated by the test regulator.
If the test level itself has determined that the value is within its own test level tolerance ( as configured in the test configuration), it will request a change in level of 0 dB.
This will result in the test regulator not performing any regulation as the target level has already been reached within the specified tolerance.
In the default situation, where the "Immunity.Regulation.PositiveTolerance" is set to 0.1 dB, it thus allows that the test regulator will allow to regulate requested changes of minimal 0.1 dB.
this means that a test level tolerance can be configured and additionally be regulated to within the specified 0.1 dB, as the smallest change as resulting from the test level could be as small as 0.1 to level within the specified tolerance.
If the value is changed to for example  0.3 dB, it allows that the test level tolerance can still be configured as low as 0.1 dB, but any changes smaller dan 0.3 dB will not be regulated by the test regulator.
In this situation the tolerance of the test level is effectively overruled by the tolerance of the test regulator.
This is why the "Immunity.Regulation.PositiveTolerance" option is an advanced option which should be changed with careful consideration on the impact on other tests.
Always increase the tolerance of the actual test level, to solve issues applicable to the test regulation before changing this value.
If this value needs to be changed to solve regulation issues, it can be seen as an indication that there could be a problem with the accuracy of the measurement devices used, which should be investigated.


There are other advanced options available that are related to the regulation of the desired power in an immunity tests.
There are other advanced options available that are related to the regulation of the desired power in an immunity tests.

Revision as of 13:49, 6 November 2024

This advanced option specifies the accepted tolerance for leveling the power. This is the tolerance (specified in dB) of the power accepted above the required level, and is used during the regulation to the desired power in a immunity test.

By default this value is set to 0.1 dB.

When a test level calculates the required change in level, this requested change is compared against the default 0.1 dB found in the advanced settings for the "Immunity.Regulation.PositiveTolerance".

For example, if the test level needs to level with -0.2 dB to get within the positive tolerance of it's own specified level, it is checked that this change of -0.2 dB is greater than the positive regulation tolerance of the test regulator ("Immunity.Regulation.PositiveTolerance") if so the actual change will be regulated by the test regulator.

If the test level itself has determined that the value is within its own test level tolerance ( as configured in the test configuration), it will request a change in level of 0 dB. This will result in the test regulator not performing any regulation as the target level has already been reached within the specified tolerance.


In the default situation, where the "Immunity.Regulation.PositiveTolerance" is set to 0.1 dB, it thus allows that the test regulator will allow to regulate requested changes of minimal 0.1 dB. this means that a test level tolerance can be configured and additionally be regulated to within the specified 0.1 dB, as the smallest change as resulting from the test level could be as small as 0.1 to level within the specified tolerance.


If the value is changed to for example 0.3 dB, it allows that the test level tolerance can still be configured as low as 0.1 dB, but any changes smaller dan 0.3 dB will not be regulated by the test regulator. In this situation the tolerance of the test level is effectively overruled by the tolerance of the test regulator.

This is why the "Immunity.Regulation.PositiveTolerance" option is an advanced option which should be changed with careful consideration on the impact on other tests. Always increase the tolerance of the actual test level, to solve issues applicable to the test regulation before changing this value. If this value needs to be changed to solve regulation issues, it can be seen as an indication that there could be a problem with the accuracy of the measurement devices used, which should be investigated.


There are other advanced options available that are related to the regulation of the desired power in an immunity tests.

Warning-48px.png
 Warning: Any change and/or modification to the advanced options, can result in unexpected results and/or incorrect measurement results. Changes in any advanced option should be verified and checked very carefully!

The ability of an EUT to be immune to incoming electromagnetic interference. This is equivalent to the term susceptibility that is used by some standards.

The ability of an EUT to be immune to incoming electromagnetic interference. This is equivalent to the term susceptibility that is used by some standards.

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