GENERAL DESCRIPTION This system with extremely high scan speed is designed by making use of the latest technology in the field of military communications. This system can intercept and find the direction of frequency/time hopping, burst, and fixed frequency signals in the wide frequency range from 30MHz to 3000MHz. The antennas are designed for stationary and semi-mobile applications. Using large aperture antennas with nine elements, the system can reach highly accurate bearings. For better accuracy, the DF consists of three antenna sets, which are arranged for three sub-band frequencies. One set of nine elements antenna covers 30-200MHz frequency band, a set of nine elements antenna covers 30-1300MHz, and another set of eight elements antenna covers 1300-3000MHz frequency band. The overall system is protected against lightning to prevent natural malfunctions.
FEATURES
Range | Description |
---|---|
30-3000 MHz (Expandable to 6 GHz) | Frequency |
20 MHz (Expandable to 80 MHz) | Instantaneous Bandwidth |
100 Hz | Frequency Resolution |
0.1 ppm | Frequency Accuracy |
-105 dBc/Hz @10 KHz | Phase Noise |
≥ 80 dB | Image Frequency Rejection |
≤ 16 dB | Noise Figure |
80 dB | Adjacent Channel Suppression 10 KHz |
AM, FM | Modes of Demodulation |
≥ 120dB Offline (Including AGC) ≥ 70dB Online | Dynamic Range |
Correlative Interferometer, Music (option) | DF Method |
1° RMS | Instrument DF Accuracy |
Dependent to Antenna Type (Refer to Antenna Spec.) | System DF accuracy |
Azimuth vs. Frequency, Level vs. Frequency, Polar Diagram, Histogram, Waterfall, Real-Time IF Panoramic Display | Display |
1° | Display Resolution |
Typ. 1μv/m (-107dBm) to 9μv/m (-90dBm) (Frequency Dependent) | DF Sensitivity |
FFM (Fix Frequency Mode), WBM (Wide Band Mode), SCAN (F-SCAN, M-SCAN), Frequency Hopping(up to 3 nets) with 2500hops/s | Operating Modes |
1MHz/ 2MHz/10MHz/20MHz | Frequency Span in Wideband Mode |
400μs | Minimum Detectable Burst Duration |
Up to 1GHz/sec with 20KHz Resolution | Scan Speed |
100KHz/50 KHz/25KHz/20KHz 12.5KHz/10 KHz/8.33KHz/5KHz 2KHz/1 KHz/0.5KHz/0.2KHz 0.1KHz/0.05 KHz/0.02KHz | Channel Spacing (Depending on Selected Real Time Band Which) |
60KHz/30KHz/15KHz/12KHz/7.5KHz/6KHz/5KHz/3KHz/1.2K Hz/0.6KHz | Direction Finding Bandwidth |
30KHz/15KHz/7.5KHz | Demodulation Bandwidths |
360 | Azimuth Range |
2500 Hop/s (Expandable to 5000 Hop/s) | Maximum Detectable Hopping Rate |
VERSION | A | B | C |
---|---|---|---|
Frequency Range | 30 to 1300 MHz | 1300 to 3000 MHz | 30 to 200 MHz |
Antenna Type | 9-Element Circular Array | 8-Element Circular Array | 9-Element Circular Array |
Polarization | Vertical | Vertical | Switchable Active/Passive Mode |
Nom. Impedance | 50Ω | 50Ω | 50Ω |
DF Error (In Reflection Free Environment) | ≤2.5° rms, 30 to 200 MHz | ≤2° rms | ≤2° rms |
Dimension (Diameter, Height) | 1.1 x 0.26 meter | 0.31 x 0.5 meter | 3 x 2.8 meter |
Weight | About 30 kg | About 20 kg | About 70 kg |
Specification | Value |
---|---|
Environmental Test Standard | According to Mil-STD-810G |
Operation Temperature Range (Indoor) | 0°C to 50°C |
Operation Temperature Range (Outdoor) | -25°C to +65°C |
MTBF | 2000 hours |
MTTR | 20 minutes |
Dimensions (W x H x D) | Approx. 60 x 70 x 70 cm |
Weight | Approx. 65 kg |
Standard | According to Mil-STD-810G |
Power Supply | 220VAC, Maximum 1.5KVA |
ITU-R Recommendation Compliant | SM. 1053, SM. 1269, SM. 1370, SM. 1392, SM. 1537-0, SM. 1537-1, SM. 1598, SM. 1600-0, SM. 1600-2, SM. 854-1, SM. 854-3 |
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