11-7
11.8 SCANNER UNIT (NKE-1125-6/9)
(1) Dimensions : 7ft Height 536 x Swing Circle 1910 (mm)
9ft Height 536 x Swing Circle 2825 (mm)
(2) Mass : 7ft Approx. 55kg
9ft Approx. 60kg
(3) Polarization : Horizontal
(4) Directional Characteristics:
Horizontal beam width 7ft 1.0°
9ft 0.8°
Vertical beam width 20°
Side lobe Level below -26dB (within +/-10°)
below -30dB (outside +/-10°)
(5) Revolution : Approx. 24rpm
(6) Power Supply for Motor
: AC100 to 115V, 50/60Hz, 1φ or
AC220 to 240V, 50/60Hz, 1φ
(7) Maximum wind Velocity : 51.5m/s (100knots)
(8) Transmitting Frequency : 9410±30MHz
(9) Transmitting Power : 25kW peak
(10) Transmitting Tube : Magnetron [M1568BS]
(11) TX Pulse width/
Repetition Frequency : SP1: 0.07uS/2250Hz, MP1: 0.2uS/2250Hz,
MP2: 0.3uS/1900Hz, MP3: 0.4uS/1400Hz,
LP1: 0.8uS/750Hz, LP2: 1.0uS/650Hz,
LP3: 1.2uS/510Hz
0.125, 0.25, 0.5nm: SP1
0.75nm: SP1/MP1
1.5nm: SP1/MP1/MP2/MP3
3nm: MP1/MP2/MP3/LP1
6nm: MP1/MP2/MP3/LP1/LP2
12nm: MP1/MP2/MP3/LP1/LP2
24nm: MP3/LP1/LP2
48nm: LP2
96nm: LP3
(12) Modulator : Solid State Modulator Circuit
(13) Duplexer : Circulator + Diode Limiter
(14) Front end Module : Built-in
(15) Intermediate Frequency Amplifier
: Intermediate Frequency: 60MHz
Band Width: 25/8/3MHz
Gain: more than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(16) Overall Noise Figure : 7.5dB (Typical)
(17) Tuning : Manual/AUTO
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