EMS simple measurement
Application
Simple radiation immunity test of 80 MHz to 500 MHz, 30 V/m can be performed for preliminary evaluation before bringing the EUT to the EMC test site and for confirming the effect of the countermeasure.
In order to perform a strong electric field radiation immunity test of 30 V/m at a low frequency of 80 MHz to 500 MHz in the Electromagnetic Anechoic Box which is a very narrow space compared to an normal Anechoic Chamber, a small loop antenna is installed close to EUT (5 cm)
Solution
Procedure of measurement
- nstall an electric field probe for calibration at an EUT installation position.
- djust the level of an signal generator to achieve a desired field strength.
- Determine a level of the signal generator.
- Install the EUT and set the level of the signal generator determined by calibration.
- Check whether the EUT malfunctions.
- Repeat the measurement while moving the antenna up, down, left and right.
1 to 3:Calibration, 4 to 6:Measurement
System configuration
Electromagnetic anechoic box [MY5310] , etc |
Power Amplifier MAP202 , etc |
Products introduction
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