Scanner; Nke-2042 - JRC JMA-3300 Series Instruction Manual

7.2 SCANNER

7.2.1

NKE-2042

(1) Dimensions
(2) Mass
(3) Polarization
(4) Directional Characteristic
Horizontal Beam Width (-3dB):
Vertical Beam Width (-3dB):
Sidelobe Level:
(5) Rotation
(6) Peak Power
(7) Transmitting Frequency
(8) Transmitting Tube
(9) Pulse width/Repetition Frequency (Bandwidth)
SP: 0.08 s/2250 Hz
MP1: 0.25 s/1700 Hz, MP2: 0.5 s/1200 Hz
LP1: 1.0 s/650 Hz
0.125NM
0.25NM
0.5NM
0.75NM
1.5NM
3NM
6NM
12NM
24NM
48NM
(10) Duplexer
(11) Front End Module
(12) Intermediate Frequency Amplifier
Intermediate Frequency:
Band Width:
Gain:
Amplifying Characteristics:
(13) Overall Noise Figure
Height 275mm Diameter of radome 620mm
Approx. 10.5kg
Horizontal Polarization
2°
25°
-21dB or less (less than ±10° from the main lobe)
Approx. 27rpm (NKE-2042)
4 kW
9410 30MHz
Magnetron [MSF1421B]
0.08 s/2250Hz (SP)
0.08 s/2250Hz (SP)
0.08 s/2250Hz (SP)
0.08 s/2250Hz (SP)
0.08 s/2250Hz (SP)
0.25 s/1700Hz (MP1)
0.5 1200Hz (MP2)
1. 650Hz (LP1)
1.0 650Hz (LP1)
1.0 650Hz (LP1)
Circulator + Diode Limiter
MIC
60MHz
20MHz (0.08 s)
6MHz (0.25 s, 0.5 s)
3MHz (1.0 s)
More than 90dB
Logarithmic Amplifier
6dB (Average)
Chapter 7 SPECIFICATIONS
7.2 SCANNER
0.25 s/1700Hz (MP1)
0.25 s/1700Hz (MP1)
0.25 s/1700Hz (MP1)
0.5 s/1200Hz (MP2)
1.0 s/650Hz (LP1)
7
7-3