209 Emerson Electric
Company Hall
301 W. 16th St.
Missouri University of Science
and Technology
Rolla, MO 65409-0040
emclab@mst.edu
CISPR 22 Emission Limits for Class A Devices
| CISPR 22 Emission Limits for Class A Devices | ||
| Radiated Emissions (30 meters) | ||
| Frequency (MHz) | uV/m | dB(uV/m) |
| 30 - 230 | 31.6 | 30 |
| 230 - 1000 | 70.8 | 37 |
| Conducted Emissions | ||
| Frequency (MHz | uV QP (AV) | dB(uV) QP (AV) |
| 0.15 - 0.5 | 8912.5 (1995) | 79 (66) |
| 0.5 - 30 | 4467 (1000) | 73 (60) |
| CISPR 22 Emission Limits for Class B Devices | ||
| Radiated Emissions (10 meters) | ||
| Frequency (MHz) | uV/m | dB(uV/m) |
| 30 - 230 | 31.6 | 30 |
| 230 - 1000 | 70.8 | 37 |
| Conducted Emissions | ||
| Frequency (MHz) | uV QP (AV) | dB(uV) QP (AV) |
| 0.15 - 0.5 | 1995-631 (631-199.5) | 66-56 (56-46) (limit varies linearly) |
| 0.5 - 5 | 631 (199.5) | 56 (46) |
| 5 - 30 | 1000 (316) | 60 |