RadiMation Application Note 154

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How to perform a MIL-STD CS114, Conducted susceptibility, bulk cable injection test[edit]

This application note explains how the MIL-STD CS114, Conducted susceptibility, bulk cable injection test can be performed with RadiMation®

The exact requirements and test methods for the CS114 are specified in the MIL-STD-461.

Necessary equipment[edit]

The following devices are necessary to execute this test:

  • Signal generator
  • Amplifier
  • Coupler
  • Forward power meter
  • Reflected power meter (optionally)
  • Current sensor
  • Sensor power meter / Analyser
  • 50 Ohm load
  • 50 Ohm attenuator
  • LISN
  • Current injection device
  • Current injection calibration jig (Calibration fixture)
  • Cable drivers with corrections

Configuration of the test sites[edit]

Calibration[edit]

CS114 Calibration.png

The configuration of the calibration 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
Coupler Devices 1 The coupler to use
Forward power meter Devices 1 The forward power meter to use
Reflected power meter Devices 1 The reflected power meter to use (optionally)
Sensor power meter 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 clamp to use
Jig Devices 2 The jig to use
Cable current -> power meter Cables Cable (1) with a correction file specified for the cable loss
Cable current -> power meter Cables Cable (2) with the specified loss of the used attenuator
Cable current -> power meter Cables Cable (3) with a correction file specified for the cable loss

Verification[edit]

CS114 Verification.png

The configuration of the verification 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
Coupler Devices 1 The coupler to use
Forward power meter Devices 1 The forward power meter to use
Reflected power meter Devices 1 The reflected power meter to use (optionally)
Sensor power meter 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 clamp to use
Cable current -> power meter Cables Cable (1) with a correction file specified for the cable loss
Cable current -> power meter Cables Cable (2) with the specified loss of the used attenuator
Cable current -> power meter Cables Cable (3) with a correction file specified for the cable loss

EUT Testing[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
Coupler Devices 1 The coupler to use
Forward power meter Devices 1 The forward power meter to use
Reflected power meter Devices 1 The reflected power meter to use (optionally)
Sensor power meter 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 clamp to use
Cable current -> power meter Cables Cable (1) with a correction file specified for the cable loss
Cable current -> power meter Cables Cable (2) with the specified loss of the used attenuator
Cable current -> power meter Cables Cable (3) with a correction file specified for the cable loss

CS114 EUT Testing.png

Calibration procedure[edit]

Verification[edit]

EUT Testing[edit]

Conclusion[edit]