Chapter 7
SPECIFICATIONS
7.2
SCANNER
7-4
7.2.2 NKE-2043
(1) Dimensions Height 275mmDiameter 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)
R
otation Approx. 27rpm (NKE-2043)
(16/20/24/27/30/36/42/48rpm can be set)
(6
)P
eak Power 4 kW
(7)
Tr
ansmitting Frequency 9410 r30MHz
(8)
Tr
ansmitting Tube Magnetron [MSF1421B]
(9)
P
ulse width/Repetition Frequency (Bandwidth)
63ȝV+]63ȝV+]63ȝV+]
03ȝV+]03ȝV+]
/3ȝV+]/3ȝV+]
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) ȝV+]03
3NM 0.13Ps/1700Hz (SP3) 0.25Ps/1700Hz (MP1) ȝV+]03
6NM ȝV+]03 0.8Ps/750Hz (LP1) ȝV+]/3
12NM ȝV+]03 ȝV+]/3 ȝV+]/3
24NM ȝV+]/3
48NM ȝV+]/3
72NM ȝV+]/3
(10)
Duple
xer Circulator + Diode Limiter
(11)
F
ront End Module MIC
(12) Intermediate Frequency Amplifier
Intermediate Frequency: 60MHz
Band Width: 0+]ȝVȝV
6MHz (0.25Ps)
0+]ȝVȝVȝV
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 6dB (Average)