Spiral Antenna
SP series |
| Features |
Main Characteristics
- Circular polarization
- Wide Bandwidth and Beamwidth
- Frequency independent antenna
Main Use
- Direction finding
- EsM and ECM
Design
- Cavity backed spiral antenna
- Light weight and compact
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| Electrical Specification |
| Model |
SP-500M-002G |
SP-002G-018G |
SP-006G-018G |
SP-018G-040G |
| Frequency range (GHz) |
0.5 ~ 2 |
2 ~ 18 |
6 ~ 18 |
18 ~ 40 |
| Gain(dBi) |
Min |
-13 |
-3 |
-3 |
0 |
| Typical |
-5 |
4 |
3.5 |
3 |
Axial-ratio |
Bore sight |
≤ 2.5dB |
≤ 2dB |
≤ 2dB |
≤ 2dB |
| ±45˚ |
≤ 3dB |
≤ 3dB |
≤ 4dB |
≤ 3dB |
| VSWR |
2.5 : 1 |
| Polarization (Optional) |
LHCP / RHCP |
| Input impedance |
50Ω |
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| Physical Specification |
| Model |
SP-500M-002G |
SP-002G-018G |
SP-006G-018G |
SP-018G-040G |
| Dimensions |
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| A |
|
Φ 61.7(mm) |
Φ 26.7(mm) |
Φ 23.4(mm) |
| B |
|
58.5(mm) |
31.2(mm) |
28.2(mm) |
| C |
|
35.0(mm) |
44.2(mm) |
43.4(mm) |
| Connector |
SMA female |
SMA female |
SMA female |
SMA female |
| Material |
Aluminum |
Aluminum |
Aluminum |
Aluminum |
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