JRC JMA-3300 Series - 7.2 SCANNER

Chapter 7

SPECIFICATIONS
7.2

SCANNER
7-3
7
INSTRUCTION MANUAL
7.2 SCANNER
7.2.1 NKE-2042
(1) Dimensions Height 275mmDiameter of radome 620mm
(2) Mass Approx. 10.5kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristic
Horizontal Beam Width (-3dB):
2°
Vertical Beam Width (-3dB):
25°
Sidelobe Level: -21dB or less (less than ±10° from the main lobe)
(5) Rotation Approx. 27rpm (NKE-2042)
(6) Peak Power 4 kW
(7) Transmitting Frequency 9410 r30MHz
(8) Transmitting Tube Magnetron [MSF1421B]
(9) Pulse width/Repetition Frequency (Bandwidth)
SP: 0.08Ps/2250 Hz
MP1: 0.25Ps/1700 Hz, MP2: 0.5Ps/1200 Hz
LP1: 1.0Ps/650 Hz
0.125NM 0.08Ps/2250Hz (SP)
0.25NM 0.08Ps/2250Hz (SP)
0.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1)
0.75NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1)
1.5NM 0.08Ps/2250Hz (SP) 0.25Ps/1700Hz (MP1)
3NM 0.25Ps/1700Hz (MP1) 0.5Ps/1200Hz (MP2)
6NM 0.5ȝV1200Hz (MP2) 1.0Ps/650Hz (LP1)
12NM 1.ȝV650Hz (LP1)
24NM 1.0ȝV650Hz (LP1)
48NM 1.0ȝV650Hz (LP1)
(10) Duplexer Circulator + Diode Limiter
(11) Front End Module MIC
(12) Intermediate Frequency Amplifier
Intermediate Frequency: 60MHz
Band Width: 20MHz (0.08Ps)
6MHz (0.25Ps, 0.5Ps)
3MHz (1.0Ps)
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 6dB (Average)