JRC JMA-5212-4/6 User Manual

113
11.3 SCANNER (NKE-2103-4/6)
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(1) Dimensions 10kW-4ft: Height 458mmuSwing Circle 1285mm
10kW-6ft: Height 458mmuSwing Circle 1910mm
(2) Mass 10kW-4ft: Approx. 38 kg
10kW-6ft: Approx. 40 kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristic Horizontal Beam Width: 1.8° (4ft, –3dB width)
1.2° (6ft, –3dB width)
Vertical Beam Width: 20° (4/6ft, –3dB width)
Sidelobe Level: Below –26dB (4/6ft, within r10°)
Below –30dB (4/6ft, outside r10°)
(5) Revolution Approx. 27rpm (4/6ft, Normal)
(6) Peak Power 10kW ±50%
(7) Transmitting Frequency 9410 r30MHz
(8) Transmitting Tube Magnetron [MAF1565N]
(9) Pulse width/Repetition Frequency
Short Middle Long
0.125nm 0.08PS/2250Hz
0.25nm 0.08PS/2250Hz
0.5nm 0.08PS/2250Hz
0.75nm 0.08PS/2250Hz 0.25PS/1700Hz
1.5nm 0.08PS/2250Hz 0.25PS/1700Hz 0.5PS/1200Hz
3nm 0.25PS/1700Hz 0.5PS/1200Hz 0.8PS/750Hz
6nm 0.5PS/1200Hz 0.8PS/750Hz 1.0PS/650Hz
12nm 0.5PS/1200Hz 0.8PS/750Hz 1.0PS/650Hz
24nm 1.0PS/650Hz
48nm 1.0PS/650Hz
96nm 1.0PS/650Hz
(10) Duplexer Circulator + Diode Limiter
(11) Mixer MIC Front End
(12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz
Band Width: 20MHz(0.08PS)
8MHz(0.25P
S,0.5PS)
3MHz(0.8P
S, 1PS)
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 7.5dB (Average)

JRC JMA-5212-4/6 Specifications

General

Brand	JRC
Model	JMA-5212-4/6
Category	Marine Radar
Language	English