RadiMation Application Note 155: Difference between revisions
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== Tips == | == Tips == | ||
{{Note|If the current unit is shown as | {{Note|If the current unit is shown as μA, it can be changed to dBμA by clicking {{ScreenElement|Units}}, select {{ScreenElement|Current}} and click {{ScreenElement|Edit}} to change this.}} | ||
== Define the test level == | == Define the test level == | ||
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First create a correction file in {{RadiMation}} and specify the test level (See 'FIGURE CS109-1. CS109 limit.'). | First create a correction file in {{RadiMation}} and specify the test level (See 'FIGURE CS109-1. CS109 limit.'). | ||
Ensure that the correction file has a {{ScreenElement|Frequency}} column and a {{ScreenElement|Current}} column with the unit set to | Ensure that the correction file has a {{ScreenElement|Frequency}} column and a {{ScreenElement|Current}} column with the unit set to dBμA. | ||
[[File:CS109_Test_level.png]] | [[File:CS109_Test_level.png]] | ||
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!colspan="4"|Cables | !colspan="4"|Cables | ||
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|① || Cable current -> power meter || Cables || Cable | |① || Cable current -> power meter || Cables || Cable with a correction file specified for the cable loss | ||
|- | |- | ||
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Latest revision as of 08:48, 5 September 2024
How to perform a MIL-STD-461 CS109, Conducted susceptibility, structure current test[edit]
This application note explains how the MIL-STD-461 CS109, Conducted susceptibility, structure current test can be performed with RadiMation®
The exact requirements and test methods for the CS109 are specified in the MIL-STD-461.
Necessary equipment[edit]
The following devices are necessary to perform the CS109 test:
- Signal generator
- Amplifier
- Coupling Transformer
- Current sensor
- Cable drivers with corrections
- Sensor power meter / Analyser
- 0.5 Ohm resistor
- Isolation Transformer
Tips[edit]
 |
Note: | If the current unit is shown as μA, it can be changed to dBμA by clicking Units, select Current and click Edit to change this. |
Define the test level[edit]
Create a correction file for the test level[edit]
-
File
- New
- Correction
-
-
-
First create a correction file in RadiMation® and specify the test level (See 'FIGURE CS109-1. CS109 limit.').
Ensure that the correction file has a Frequency column and a Current column with the unit set to dBμA.
- File
- Save correction
-
-
Store the test level as correction file on disk.
This correction file with the test level will be used during EUT testing.
EUT Testing[edit]
EUT Testing equipment[edit]
The configuration of the eut test site should contain the following devices:
| # | Device name | Tab in testsite configuration window | note |
|---|---|---|---|
| Signal Generator | Devices 1 | The signal generator to use | |
| Amplifier | Devices 1 | The amplifier to use | |
| Sensor powermeter | Devices 2 | The power meter or analyser to use for measuring the current | |
| Current Sensor | Devices 2 | The current sensor to use with transfer factor attached to the driver | |
| Injection device | Devices 2 | The injection device to use | |
| Cables | |||
| ① | Cable current -> power meter | Cables | Cable with a correction file specified for the cable loss |
Configure the EUT test[edit]
To perform the test on the EUT, create a conducted immunity multiband test. The conducted immunity multiband test, can be started by selecting from the menu:
- Tests
- Conducted Immunity
- Multiband
-
-
-
 Start
|
The start frequency of the test. For example 30 Hz. |
| End
|
The stop frequency of the test. For example 100 kHz. |
| Frequency Step
|
The frequency step, see Table III. |
| Dwell Time
|
The dwell time. |
| Frequency Change Mode
|
Constant. |
| Modulation
|
CS109 does not specify a modulation to use. |
| Test equipment
|
The equipment needed for the conducted immunity test. |
| Location Type
|
Injection clamp. |
| Test Level
|
Specify the current substitution method. Also add a "Measured Current Limit" |
| Inputs
|
No inputs are needed. |
At TestLevel click Add to add a new Test level and select TestLevel - Current closed loop method
| Description
|
The description of the test level. |
| Test level
|
Variable current, and specify the correction file for the applicable test level. |
| Tolerance
|
Specify the tolerance to use. |
When all settings are configured press Start Test to run the test.
EUT Test Result[edit]
Once the test is finished, the results of this test are stored in the EUT file and available as one of the performed Tests in the EUT file. Selecting the corresponding test result and pressing on Info will show the test results again.
Conclusion[edit]
The RadiMation® Conducted Immunity multiband test can be used to perform the CS109 test with a current closed loop method test level and a variable test level specified in a correction file.