Scanner Unit (Nke-2254-6Hs) - JRC JMA-9133-SA Instruction Manual

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JMA-9100 Instruction Manual 11.SPECIFICATION
11.12

SCANNER UNIT (NKE-2254-6HS)

SCANNER UNIT
NKE-2254-6HS
Polarization Horizontal
Directional Characteristics
Power Supply for Motor DC24V
Maximum Wind Velocity 51.5m/s (100knots)
Transmitting Frequency 9410 ± 30MHz
Transmitting Power 25kW
Transmitting Tube Magnetron[M1568BS]
TX Pulse width / Repetition
Front End Module Built-in
Intermediate Frequency Amplifier
Overall Noise Figure 7.5dB ( Typical)
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11.12 SCANNER UNIT (NKE-2254-6HS)
Dimension Height 536 x Swing Circle 1910 (mm)
Mass Approx. 55kg
Horizontal beam width
Vertical beam width
Side lobe Level
Revolution Approx.48rpm
SP1：0.07μs/2250Hz
Frequency MP1：0.2μs/2250Hz MP2：0.3μs/1900Hz、MP3：0.4μs/1400Hz
LP1：0.8μs/750Hz、LP2：1.0μs/650Hz LP3：1.2μs/510Hz
0.125、0.25、0.5NM ：SP1
Modulator Solid State Modulator Circuit
Duplexer Circulator + Diode Limiter
Intermediate Frequency
Amplifying Characteristics
Tuning Manual/AUTO
11 －12
: 1.2°
: 20°
: below -26dB (within +/-10°)
: below -30dB (outside +/-10°)
0.75NM ：SP1/MP1
1.5NM ：SP1/MP1/MP2/MP3
3NM ：MP1/MP2/MP3/LP1
6NM ：MP1/MP2/MP3/LP1/LP2
12NM ：MP1/MP2/MP3/LP1/LP2
24NM ：MP3/LP1/LP2
48NM ：LP2
96NM ：LP3
: 60MHz
Band Width : 25/8/3MHz
Gain : more than 90dB
: Logarithmic Amplifier