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Chapter 12 SPECIFICATIONS
12.5.3 SCANNER (NKE-2103-4/6/4HS/6HS) SPECIFICATION
(1) Dimensions
(2) Mass
(3) Polarization
(4) Directional Characteristic
Horizontal Beam Width (-3dB):
Vertical Beam Width (-3dB):
Sidelobe Level
(5) Rotation
(6) Transmitting Frequency
(7) Peak Power
(8) Transmitting Tube
(9) Pulse Width/Repetition Frequency (Bandwidth)
(10) Range information
(10) Duplexer
(11) Front End Module
(12) Intermediate Frequency Amplifier
Intermediate Frequency:
Band Width:
Gain:
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure
(14) Tune Method
220
Height: approx. 458 mm
Swing Circle: approx. 1,285mm (4ft)
Height: approx. 458 mm
Swing Circle: approx. 1910 mm (6ft)
Approx. 38 kg (4ft)
Approx. 40 kg (6ft)
Horizontal Polarization
1.8° (4ft), 1.2° (6ft)
20° (4ft/6ft)
-26 dB or less (less than ±10° from the main lobe) (4ft/6ft)
-30 dB or less (±10° or more from the main lobe) (4ft/6ft)
27rpm (NKE-2103-4/6)
48rpm (NKE-2103-4HS/6HS)
9410 ±30 MHz
10 kW ±50%
Magnetron [MAF1565N]
0.0625NM to 0.25NM: SP
0.5NM to 1NM:
SP, MP1
1.5NM, 2NM:
SP, MP1, MP2
3NM, 4NM:
MP1, MP2, LP1
6NM to 16NM:
MP2, LP1, LP2
24NM to 72NM:
LP2
Circulator + Diode Limiter
MIC
60MHz
20MHz (0.08μs)
6MHz (0.25μs, 0.5μs)
3MHz (0.8μs, 1.0μs)
More than 90dB
7.5dB (Average)
AUTO/MANUAL
SP:
0.08μs/2250 Hz (20MHz)
MP1:
0.25μs/1700 Hz (6MHz)
MP2:
0.5μs/1200 Hz (3MHz)
LP1:
0.8μs/750 Hz (3MHz)
LP2:
1.0μs/650 Hz (3MHz)
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