Anechoic Chamber
Circuit Design's EMI 3M anechoic chamber is suitable for EMI & EMC testing, as well as for high precision measurement of the radiated electromagnetic field emitted by antennas of all types of radio equipment.
Fcc filing (Resistration Number : 347868)
Characteristics
| Parameter | Specification | |
|---|---|---|
| Site attenuation characteristics | ||
| Frequency range | 30MHz - 1GHz | NSA +/- 4dB or less |
| 1GHz - 18GHz | Reference +/- 4dB or less | |
| Measurement distance | 3m |
| Shield Characteristics (MIL-STD-285) | ||
|---|---|---|
| Field strength | 150kHZ-30MHz | -80dB or less |
| Plane wave | 30MHz-1GHz | -80dB or less |
| 1GHz-18GHz | -80dB or less | |
| Power line shielding characteristics (MIL-STD-220A) | ||
|---|---|---|
| Frequency range | 50kHz-1GHz | -80dB or less |
| 1GHz-10GHz | -80dB or less | |
| Dimensions | ||
|---|---|---|
| External | 4,700Wx7,200Lx5,540Hmm | |
| Internal | 4,000Wx6,500Lx4,997Hmm | |
EMC measurement connection diagram
Anechoic chamber equipment list
| Item | Model | Q'ty | Remarks |
|---|---|---|---|
| Antenna | USLP9143 | 1 | (0.25)0.3-5(7)GHz,50W |
| CBL 6143X-Wing BiLog Antenna (Schaffner) |
1 | 30Mhz-3GHz | |
| ATT | 2 | 3dB ATT | |
| LISN | NSLK8123 (Schwarzbeck) | 2 | 3φ16A |
| Spectrum analyzer | E4440A | 1 | 3Hz-26.5GHz |
| Coaxial cable | 12m -N-N | 2 | |
| Turn table Diameter | 1200mm (360º endless) | 1 |