Scanner (Nke-1130); Scanner Unit (Nke-1130) - JRC JMA-5912-6 Instruction Manual

11.6

SCANNER UNIT (NKE-1130)

(1) Dimensions
(2) Mass
(3) Polarization
(4) Directional Characteristics
(5) Revolution
(6) Peak Power
(7) Transmitting Frequency
(8) Transmitting Tube
(9) Pulse Width/Repetition Frequency
(10) Duplexer
(11) Mixer
(12) Intermediate Frequency Amplifier
(13) Overall Noise Figure
(14) Compass Safe Distance
Height 791 mm × Swing Circle 4000 mm
Approx. 180 kg
Horizontal Polarization
12 ft: 1.9 °
Horizontal Beam Width
12 ft: 25 °
Vertical Beam Width
Below -26 dB (within ±10 °)
Sidelobe Level:
Below -30 dB (outside ±10 °)
24 rpm (60/50 Hz)
30 kW ±50 %
3050 ±20 MHz
Magnetron M1555
SP1: 0.07 μs/2250 Hz
MP1: 0.2 μs/2250 Hz, MP2: 0.3 μs/1900 Hz,
MP3: 0.4 μs/1400 Hz
LP1: 0.8 μs/750 Hz, LP2: 1.0 μs/650 Hz, LP3: 1.2 μs/510 Hz
0.125 NM SP1
0.25 NM SP1
0.5 NM SP1
0.75 NM SP1 / MP1
1.5 NM SP1 / MP1 / MP2 / MP3
3 NM MP1 / MP2 / MP3 / LP1
6 NM MP1 / MP2 / MP3 / LP1 / LP2
12 NM MP1 / MP2 / MP3 / LP1 / LP2
24 NM MP3 / LP1 / LP2
48 NM LP2
96 NM LP3
Circulator + Diode Limiter
MIC Front End
Intermediate Frequency: 60 MHz
25 MHz (0.07 μs)
Band Width:
8 MHz (0.2 μs, 0.3 μs, 0.4 μs)
3 MHz (0.8 μs, 1.0 μs, 1.2 μs)
Gain: More than 90 dB
Amplifying Characteristics:
7.5 dB (Average)
Standard 5.1 m
Steering 2.7 m
11-6

11.6 Scanner (NKE-1130)

Logarithmic Amplifier
11