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