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Spiral Antennas
AMT offers a wide range of wide band spiral antenna elements and assemblies. Our cavity backed antennas are available in a range of frequencies with focus on 0.5 - 18 GHz. Most of these Spiral Antenna assemblies are offered in amplitude and/or phase matched sets. Efficient design allows for compact sizes and many different mechanical configurations that allow our Spiral Antenna assemblies to be placed on a variety of platforms including military aircraft, marine platforms, and civilian applications.
| Part No. |
Freq (GHz) |
Polarization |
Gain
dBiC |
BW-nominal
(deg) |
VSWR
(max) |
Input |
| 21520-01 |
0.5 - 2.0 |
LHC |
-4 to 6 |
80 |
2.0 : 1 |
SMA |
| 21540-01 |
0.5 - 2.0 |
LHC |
-4 to 6 |
80 |
2.0 : 1 |
SMA |
| 21320-1 |
1.0 -2.0 |
LHC |
4.5 to 7 |
80 |
2.2 : 1 |
TNC |
| 20270 |
2.0 -18.0 |
LHC |
-3 to 2 |
80 |
2.0 : 1 |
SMA |
| 40280-04 |
2.0 -6.0 |
LHC |
-5 to 2 |
70 |
2.5 : 1 |
SMA |
| 42340-01 |
6.0 - 18.0 |
LHC |
2 to 4 |
70 |
2.5 : 1 |
SMA |
| 21400-01 |
8.0 - 18.0 |
LHC |
1 to 3 |
80 |
1.9 : 1 |
SMA |
These are just a few examples of our many spiral antennas. The above units are available also in RHC polarization with similar performance. Contact us for more specific needs.
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