Abstract
he paper presents a comprehensive analysis of the behavior of anechoic chambers in the frequency range from 1 GHz to 18 GHz. Numerical simulation and statistical analysis have been used to estimate the influence of the test site to radiated emission results above 1 GHz. For typical EMC chambers the influence factor is around 0.7 dB. This factor can be improved by using better absorbing material or increasing of chamber size. For a wide range of EUT´s the compliance uncertainty can be estimated using the chamber influence factor. The prediction of the chamber influence for small omnidirectional EUT´s fits very well. Small EUT´s with a directive disturbance source are overestimated. Large EUT´s with multiple sources have not been investigated.
| Original language | English |
|---|---|
| Title of host publication | 2004 International Symposium on Electromagnetic Compatibility |
| Pages | 760-765 |
| Number of pages | 6 |
| Publication status | Published - 2004 |
| Event | 2004 International Symposium on Electromagnetic Compatibility - Duration: 1 Jan 2004 → … |
Conference
| Conference | 2004 International Symposium on Electromagnetic Compatibility |
|---|---|
| Period | 1/01/04 → … |
Research Field
- Not defined
Keywords
- Anechoic chamber
- radiated emission testing
- chamber validation
- EMC above 1 GHz
- compliance uncertainty
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