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9
6 kW Specifications
DC input
Scanner type
Scanner dimensions
Scanner weight
Vibration
Waterproof
Scanning mode
Plane of polarization
Preheating time
Power consumption
Emission type
Peak power output
Transmitter frequency
Transmitter tube
Horizontal beam width
Vertical beam width
Side lobe level
Rotation rate
Pulse length/PRF
Duplexer
Mixer
IF amplifier
IF bandwidth
IF characteristic
IF output
Com port
Gain
Noise figure
Temperature range
Relative humidity
Relative wind velocity
42
6 kW scanner
10.8 to 42 V (DC 12, 24 V or 32 V systems)
Open array
Swing circle 4.3 ft (1320 mm)
Height 17.6" (448 mm)
63.9 lbs (29 kg) ±10%
Amplitude 3mm (0 to 500cpm)
Amplitude 0.75mm (500 to 1500cpm)
Amplitude 0.2mm (1500 to 3000cpm)
IPX6
Raster scanning, PPI
Horizontal
Minimum 90 seconds
120 W (maximum) at maximum wind velocity
P0N. Passed JRC FCC/IC/R&TTE Type Certification:
FCC ID: CKENKE250
IC ID: 768C-NKE250
R&TTE: QQ-RTTE-02/03-02
6 kW ±50% under any pulse condition
9410 ±30 MHz
Magnetron NJRC Model MSF1422B
1.8º ±10% (-3 dB width)
20º ±20% (-3 dB width)
Below -28 dB maximum (outside ±10º)
Below -23 dB maximum (within ±10º)
Approximately 27 rpm (minimum 20 rpm at 70 knot wind
maximum)
0.08µs ±30% 2250 Hz ±5%
0.25µs ±25% 1700 Hz ±5%
0.5µs ±25% 1200 Hz ±5%
1.0µs ±25% 650 Hz ±5%
Circulator and diode limiter
Model NJRC NJS6930
MIC front-end
Center frequency 60 MHz ±3 MHz
20 MHz ±3 MHz (0.08µs)
6 MHz ±2 MHz (0.25µs)
3 MHz ±1 MHz (0.5µs, 1.0µs)
Log
-2 V for 100 dB typical
Bandwidth controlled by serial port
RS485 9600 bps Half Duplex
Defined in NKE-250 Digital COM specification
TX/Motor ON/OFF independent control software included
Minimum 90 dB
NJT1969 @6 dB (average) at front-end input
+5ºF to +131ºF (-15ºC to +55ºC)
93% at +104ºF (+40ºC)
118 ft (36 m)/sec (maximum 70 knots)
Northstar 6 kW Radar Installation Manual
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