JRC JMA-5220-7 - Scanner (Nke-2252-7;9)

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11.6 SCANNER (NKE-2252-7/9)
11.6 SCANNER (NKE-2252-7/9)
(1) Dimensions 25kW-7ft: Height 440mm×Swing Circle 2270mm
25kW-9ft: Height 440mm×Swing Circle 2825mm
(2) Mass 25kW-7ft: Approx. 54 kg
25kW-9ft: Approx. 56 kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristics Horizontal Beam Width: 1.0° (7ft, -3dB width)
0.8° (9ft, -3dB width)
Vertical Beam Width 20° (7/9ft, -3dB width)
Sidelobe Level: Below –26dB
(7/9ft, within ±10°)
Below –30dB
(7/9ft, outside ±10°)
(5) Revolution 24rpm (7/9ft, Normal)
(6) Peak Power 25kW ±50%
(7) Transmitting Frequency 9410 ±30MHz
(8) Transmitting Tube Magnetron [M1568B(J)]
(9) Pulse Width/Repetition Frequency
Short Middle Long
0.125nm 0.07μS/2200Hz
0.25nm 0.07μS/2200Hz
0.5nm 0.07μS/2200Hz
0.75nm 0.07μS/2200Hz 0.2μS/2200Hz
1.5nm 0.07μS/2200Hz 0.2μS/2200Hz 0.4μS/1400Hz
3nm 0.2μS/2200Hz 0.4μS/1400Hz 0.8μS/750Hz
6nm 0.4μS/1400Hz 0.8μS/750Hz 1.0μS/650Hz
12nm 0.4μS/1400Hz 0.8μS/750Hz 1.0μS/650Hz
24nm 1.0μS/650Hz
48nm 1.0μS/650Hz
96nm 1.2μS/520Hz
(10) Duplexer Circulator + Diode Limiter
(11) Mixer MIC Front End
(12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz
Band Width: 20MHz(0.08μS)
6MHz(0.2μS, 0.4μS)
3MHz(0.8μS, 1μS, 1.2μS)
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 6dB(Average)