Northstar 2 kW Radar Installation Manual
49
10
2 kW radar system specifications
2 kW scanner
DC input
10.8 V to 15.6 V DC (DC 12 V system ONLY)
Scanner type
Radome
Scanner dimensions
Depth: 17.7" (450 mm)
Height: 8.93 (227 mm)
Scanner weight
9.26 lbs (4.2 kg) ± 5%
Vibration Amplitude
0.1" (3 mm) (0 to 500 cpm)
0.29" (0.75 mm) (550 to 1500 cpm)
0.007" (0.2 mm) (1500 to 3000 cpm)
Waterproof IPX6
Plane of polarization
Horizontal
Preheating time
Minimum 90 seconds
Power consumption
25 W (maximum) at 12 V DC
Emission type
P0N
FCC ID: CKEJMA1020
IC ID: 768381105A
R&TTE: DERA-RTTE-34/01-01
Peak power output
2 kW ±50% under any pulse conditions
Transmitter frequency
9445 ±30 MHz
Transmitter tube
Magnetron NJRC M1537
Horizontal beam width
5.2º ± 10% (3 dB width)
Vertical beam width
30º ± 20% (3 dB width)
Side lobe level
< -21 dB maximum (within ± 10°)
Rotation rate
27 rpm ±10%
Pulse length/PRF
0.08 μs +50/-25% (2250 Hz)
0.3 μs +50/-30% (1200 Hz)
0.8 μs ±25% (600 Hz)
See Pulse Width and Bandwidth Selector table (below).
Duplexer
Microwave T-junction with diode limiter
Model NJRC NJS6947
Mixer MIC
front-end
IF amplifier
Center frequency 60 MHz ± 3 MHz
IF amplifier output
14 dB for -3.2 V into 50 ohms (typical)
IF band width
1 0 MHz ±3 MHz (0.08 μs)
3 MHz ±1 MHz (0.3 μs, 0.8 μs)
IF characteristic
Linear
Gain
Minimum 90 dB
Noise figure
NJT1027 @ 7 dB (average) at front-end input
Temperature range
+5ºF to +131ºF (-15ºC to +55ºC)
Relative humidity
95% at 95ºF (35ºC)
Relative wind velocity
118.11 ft (36.0 m)/sec (maximum 70 knots)
Summary of Contents for 2 kW
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