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| |
 |
Broadband absorbers
suitable for in-door measurements. |
|
Used in making microwave anechoic
chambers for performing measurements like RCS, Antenna
Measurements etc. |
|
Used in making Moving screens
for hiding the areas of maximum reflections |
|
Used for obtaining Quiet Zones
in very wide frequency range |
|
| |
| MATERIAL PROPERTIES |
| Colour |
As Desired, generally available in blue
color. |
| Dimensions |
60 cm X 60 cm |
| Chemical Composition |
Carbon ferrite impregnated polyurethane foam |
| Maximum service temperature |
90 degree Centigrade |
| Power handling capacity |
0.5 Watt/Cm² |
| Fire Retardancy |
Passes NRL-8093, USA test 1,2 & 3 With Zero
Halogen Means |
| |
|
|
 |
| Absorber Type |
Pyramid
Height, A |
Pyramid
Width, B |
Base
Height, C |
Total Absorber
Height, D |
Number of Pyramids
per Absorber |
| FU-SE-4 |
3" |
2" |
1" |
4" |
144 |
| FU-SE-8 |
6" |
3" |
2" |
8" |
64 |
| FU-SE-12 |
10" |
4" |
2" |
12" |
36 |
| FU-SE-18 |
15" |
6" |
3" |
18" |
16 |
| FU-SE-24 |
21" |
8" |
3" |
24" |
9 |
|
| Note : Above dimensions are indicative and subject to change for specific application |
|
| TYPE |
THICKNESS
(Inches ) |
TYPICAL REFLECTIVITY IN DB FOR ANGLES
NEAR NORMAL INCIDENCE RELATIVE TO METAL SURFACE VIZ.
0 DB |
| |
|
80 MHz |
250 MHz |
500 MHz |
1.0 GHz |
3.0 GHz |
10.0 GHz |
18 GHz-40GHz |
FU-SE
70/45/36 |
70/45/36 |
TO BE DESIGNED FOR THE GIVEN FERRITE
TO MAKE HYBRID ABSORBERS AT LOW FREQUNCIES |
| FU-SE-24 |
24 |
-6 |
-20 |
-35 |
-40 |
-50 |
-50 |
-50 |
| FU-SE-18 |
18 |
|
|
-30 |
-40 |
-45 |
-50 |
-50 |
| FU-SE-12 |
12 |
|
|
|
-25 |
-40 |
-50 |
-50 |
| FU-SE-8 |
8 |
|
|
|
|
-25 |
-50 |
-50 |
| FU-SE-4 |
4 |
|
|
|
|
|
-40 |
-50 |
| FU-P-SE-24 |
24 |
|
|
-30 |
-40 |
-40 |
-45 |
-40 |
| FU-P-SE-12 |
12 |
|
|
|
-25 |
-40 |
-45 |
-40 |
|
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