JRC JMA-1030 Series - Scanner (Nke-2044) Specification

Chapter 12 SPECIFICATIONS
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12.5.2 SCANNER (NKE-2044) SPECIFICATION
(1) Dimensions Height 280mm×Diameter of radome 620mm
(2) Mass Approx. 10kg
(3) Polarization Horizontal (antenna length 2 feet)
(4) Directional Characteristic Horizontal Beam Width (-3dB) 4°
Vertical Beam Width (-3dB) 25°
Side lobe Level -21dB or less (less than ±10° from the main lobe)
(5) Rotation Approx. 27rpm (16/20/24/27/30/36/42/48rpm can be set)
(6) Transmitting Frequency 9410±30MHz
(7) Peak Power 4 kW
(8)Transmitting Tube Magnetron [MSF1421B]
(9) Pulse width/ Repetition Frequency (Bandwidth)
SP1: 0.08μs/4000 Hz (Wide 20MHz)
SP2: 0.08μs/2250 Hz (Wide 20MHz)
SP3: 0.13μs/1700 Hz (Wide 20MHz)
MP1: 0.25μs/1700 Hz (Middle 6MHz)
MP2: 0.5μs/1200 Hz (Narrow 3MHz)
LP1: 0.8μs/750 Hz (Narrow 3MHz)
LP2:1.0us/650Hz (Narrow 3MHZ)
(S: Short pulse, M: Middle pulse, L: Long pulse)
(10) Range Information 0.0625NM SP1
0.125NM SP1
0.25 NM SP1
0.5 NM SP1 / MP1
0.75 NM SP2 / MP1
1.5 NM SP2 / MP1 / MP2
3 NM SP3 / MP1 / MP2
6 NM MP2 / LP1/ LP2
12 NM MP2 / LP1/ LP2
24 NM LP2
48 NM LP2
(11) Duplexer Circulator + Diode Limiter
(12) Front End Module MIC
(13) IF Frequency 60MHz
(14) IF AMP Log Amplifier (Gain: more than 90dB)
(15) Overall Noise Figure 6dB (Average)
(16) Tuning Manual/Auto