Electromagnetic Compatibility Test Facility

The electromagnetic compatibility test facility is used for checking the functional deterioration of electronic equipment on board launch vehicles and spacecraft due to electromagnetic interference between the equipment themselves. This facility offers interference emission testing to measure the electromagnetic noise emitted from a test item, and susceptibility testing to verify the normal functions of a test item by providing it with electromagnetic noise.
Tests are performed in a shielded room which isolates a test item from external electromagnetic noise. In interference emission testing, the electromagnetic noise emitted from a test item into the open space is measured with an antenna while that conducted along cables is measured with a current probe. In susceptibility testing, meanwhile, electromagnetic noise which has been either feedback-controlled using an electric-field sensor or generated by a signal generator connected to the cables of a test item is applied to a test item.
Possessing a test system which can handle up to 40 GHz, this facility makes it possible to perform tests with the levels required by the Military Standards and the International Space Station (ISS.)

System Architecture

Electromagnetic Compatibility Test Facility System Architecture

Specification

test equipment in accordance with the Military Standard test requirements (MIL-STD-461C, etc.) and International Space Station requirements (SSP30237) in terms of the measurement and susceptibility testing for the emitted electromagnetic noise provoked by current.
shielded room inner dimensions 10 m (W) × 8.8 m (H) × 10 m (D)
shield effect for electric field: 10 kHz~40 GHz 100 dB or more
for magnetic field: 150 kHz~200 kHz 85 dB or more
radiowave absorbing properties 6 dB@80~250 MHz、0 dB@250 MHz以上

Actual Applications

SELENE, HTV, sensors loaded on HAYABUSA 2, modules on board ISS, etc.

PUBLIC APPLICATIONS: airborne equipment, etc.