JRC JMA-5912-6 User Manual

11-6
11.6 Scanner (NKE-1130)
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11.6 SCANNER UNIT (NKE-1130)
(1) Dimensions Height 791 mm × Swing Circle 4000 mm
(2) Mass Approx. 180 kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristics Horizontal Beam Width 12 ft: 1.9 °
Vertical Beam Width 12 ft: 25 °
Sidelobe Level: Below -26 dB (within ±10 °)
Below -30 dB (outside ±10 °)
(5) Revolution 24 rpm (60/50 Hz)
(6) Peak Power 30 kW ±50 %
(7) Transmitting Frequency 3050 ±20 MHz
(8) Transmitting Tube Magnetron M1555
(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 (0.8 μs, 1.0 μs, 1.2 μs)
Gain: More than 90 dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 7.5 dB (Average)
(14) Compass Safe Distance Standard 5.1 m
Steering 2.7 m

JRC JMA-5912-6 Specifications

General

Brand	JRC
Model	JMA-5912-6
Category	Marine Radar
Language	English