11.8 Scanner (NKE-2254-6HS)
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11.8 SCANNER UNIT
NKE-2254-6HS (JMA-5322-6HS)
(1) Dimensions Height 536 mm × Swing Circle 1910 mm
(2) Mass Approx. 55kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristics Horizontal Beam Width : 6 ft : 1.2°
Vertical Beam Width : 20° (-3 dB width)
Sidelobe Level : Below -26 dB (within+/-10°)
Below -30 dB (outside+/-10°)
(5) Revolution 48 rpm (Normal)
(6) Peak Power 25 kW+/-50%
(7) Transmitting Frequency 9410+/-30 MHz
(8) Transmitting Tube Magnetron [M1568BS]
(9) Pulse Width/Repetition Frequency SP1 : 0.07 μs/2250 Hz
MP1 : 0.2 μs/2250 Hz, MP2 : 0.3 μs/1900 Hz,
MP3 : 0.4 μs/1400 Hz
LP1 : 0.8 μs/750 Hz, LP2 : 1.0 μs/650 Hz, LP3 : 1.2 μs/510 Hz
0.125 NM SP1
0.25 NM SP1
0.5 NM SP1
0.75 NM SP1/MP1
1.5 NM SP1/MP1/MP2/MP3
3 NM MP1/MP2/MP3/LP1
6 NM MP1/MP2/MP3/LP1/LP2
12 NM MP1/MP2/MP3/LP1/LP2
24 NM MP3/LP1/LP2
48 NM LP2
96 NM LP3
(10) Duplexer Circulator + Diode Limiter
(11) Mixer MIC Front End
(12) Intermediate Frequency Amplifier Intermediate Frequency : 60 MHz
Band Width : 25 MHz (0.07 μs)
8 MHz (0.2 μs, 0.3 μs, 0.4 μs)
3 MHz (0.8μs, 1 μs, 1.2 μs)
Gain : More than 90 dB
Amplifying Characteristics : Logarithmic Amplifier
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(13) Overall Noise Figure 7.5 dB (Average)
(14) Compass Safe Distance Standard 2.4 m
Steering 1.8 m
11-8
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