User's Manual

Chapter 7

SPECIFICATIONS
7.2

SCANNER
7-4
7.2.2 NKE-2043
(1) Dimensions Height 275mmDiameter of radome 620mm
(2) Mass Approx. 10kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristic
Horizontal Beam Width (-3dB):
4°
Vertical Beam Width (-3dB):
25°
Sidelobe Level: -21dB or less (less than ±10° from the main lobe)
(5) Rotation Approx. 27rpm (NKE-2043)
(16/20/24/27/30/36/42/48rpm can be set)
(6) Peak Power 4 kW
(7) Transmitting Frequency 9410 r30MHz
(8) Transmitting Tube Magnetron [MSF1421B]
(9) Pulse width/Repetition Frequency (Bandwidth)
SP1: 0.08s/4000Hz, SP2: 0.08s/2250Hz, SP3: 0.13s/1700Hz
MP1: 0.25s/1700Hz, MP2: 0.5s/1200Hz
LP1: 0.8s/750Hz, LP2: 1.0s/650Hz
0.125NM 0.08Ps/4000Hz (SP1)
0.25NM 0.08Ps/4000Hz (SP1)
0.5NM 0.08Ps/4000Hz (SP1) 0.25Ps/1700Hz (MP1)
0.75NM 0.08Ps/2250Hz (SP2) 0.25Ps/1700Hz (MP1)
1.5NM 0.08Ps/2250Hz (SP2) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2)
3NM 0.13Ps/1700Hz (SP3) 0.25Ps/1700Hz (MP1) 0.5s/1200Hz (MP2)
6NM 0.5s/1200Hz (MP2) 0.8Ps/750Hz (LP1) 1.0s/650Hz (LP2)
12NM 0.5s/1200Hz (MP2) 0.8s/750Hz (LP1) 1.0s/650Hz (LP2)
24NM 1.0s/650Hz (LP2)
48NM 1.0s/650Hz (LP2)
72NM 1.0s/650Hz (LP2)
(10) Duplexer Circulator + Diode Limiter
(11) Front End Module MIC
(12) Intermediate Frequency Amplifier
Intermediate Frequency: 60MHz
Band Width: 20MHz (0.08s, 0.13s)
6MHz (0.25Ps)
3MHz (0.5s, 0.8s, 1.0s)
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure
6dB (Average)