JRC JMR-5482-S - Page 523

18-13 Section 18 Specifications
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
付録
18.12 NKE-2255
GENERAL SPECIFICATION
NKE-2255-9
Dimension
Height 507 × Swing Circle 2810 (mm)
Mass
Approx. 58kg
Polarization
Horizontal
Horizontal beam width
0.8°
Vertical beam width
20°
Side lobe level below -26dB (within ±10°)
below -30dB (outside ±10°)
Revolution
Approx. 24 rpm
Power Supply for Motor
24VDC
Maximum Wind Velocity
51.5m/s (100kt)
Transmitting Frequency
9410 ±30MHz
Peak-to-peak Power
25kW ±50%
Transmitting Tube
Magnetron [M1568BS]
TX Pulse width / Repetition Frequency
(Observation Range)
SP1: 0.07μs/2250Hz (0.125NM, 0.25NM, 0.5NM, 0.75NM, 1.5NM,
3NM, 6NM, 12NM)
MP1: 0.2μs/2250Hz (0.75NM, 1.5NM, 3NM, 6NM, 12NM)
MP2: 0.3μs/1900Hz (1.5NM, 3NM, 6NM, 12NM)
MP3: 0.4μs/1400Hz (1.5NM, 3NM, 6NM, 12NM, 24NM)
LP1: 0.8μs/750Hz (3NM, 6NM, 12NM, 24NM)
LP2: 1.0μs/650Hz (6NM, 12NM, 24NM, 48NM)
LP3: 1.2μs/510Hz (96NM)
Modulator
Solid State Modulator Circuit
Duplexer
Circulator + Diode Limiter
Frond End Module
Built-in
Overall Noise Figure
7.5dB (typical)
Performance Monitor
NJU-97 (Built-In)
Tuning
Manual/AUTO
Intermediate Frequency Amplifier
Intermediate Frequency
60MHz
Band Width
25/8/3MHz
Gain
More than 90dB
Amplifying Characteristics
Logarithmic Amplifier