JRC JMA-5204 - Scanner (Nke-2254-7;9)

11.4 SCANNER (NKE-2254-7/9)
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11.12 SCANNER (NKE-2254-7/9)
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(1) Dimensions 25kW-7ft: Height 536mmuSwing Circle 2270mm
25kW-9ft: Height 536mmuSwing Circle 2825mm
(2) Mass 25kW-7ft: Approx. 58 kg
25kW-9ft: Approx. 60 kg
(3) Polarization Horizontal Polarization
(4) Directional Characteristics Horizontal Beam Width: 1.0° (7ft, –3dB width)
0.8° (9ft, –3dB width)
Vertical Beam Width 20° (7/9ft, –3dB width)
Sidelobe Level: Below –26dB
(7/9ft, within r10°)
Below –30dB
(7/9ft, outside r10°)
(5) Revolution 24rpm (7/9ft, Normal)
(6) Peak Power 25kW r50%
(7) Transmitting Frequency 9410 r30MHz
(8) Transmitting Tube Magnetron [M1568BS]
(9) Pulse Width/Repetition Frequency
SP1㸸0.07Ps/2250Hz/Wide
MP1㸸0.2Ps/2250Hz/MiddleࠊMP2㸸0.4Ps/1400Hz/Middle
LP1㸸0.8Ps/750Hz/NarrowࠊLP2㸸1.0Ps/650Hz/NarrowࠊLP3㸸1.2Ps/510Hz/Narrow
0.125NM 0.07Ps/2250Hz(SP1)
0.25NM 0.07Ps/2250Hz(SP1)
0.5NM 0.07Ps/2250Hz(SP1) 0.2Ps/2250Hz(MP1)
0.75NM 0.07Ps/2250Hz(SP1) 0.2Ps/2250Hz(MP1) 0.4Ps/1400Hz(MP2)
1.5NM 0.07Ps/2250Hz(SP1) 0.2Ps/2250Hz(MP1) 0.4Ps/1400Hz(MP2)
3NM 0.2Ps/2250Hz(MP1) 0.4Ps/1400Hz(MP2) 0.8Ps/75
0Hz(LP1)
6NM 0.4Ps/1400Hz(MP2) 0.8Ps/750Hz(LP1) 1.0Ps/650Hz(LP2)
12NM 0.4Ps/1400Hz(MP2) 0.8Ps/750Hz(LP1) 1.0Ps/650Hz(LP2)
24NM 1.0Ps/650Hz(LP2)
48NM 1.0Ps/650Hz(LP2)
96NM 1.2Ps/510Hz(LP3)
(10) Duplexer Circulator + Diode Limiter
(11) Mixer MIC Front End
(12) Intermediate Frequency Amplifier Intermediate Frequency: 60MHz
Band Width: 25MHz(0.07Ps)
8MHz(0.2Ps, 0.4Ps)
3MHz(0.8Ps, 1.0PS, 1.2Ps)
Gain: More than 90dB
Amplifying Characteristics: Logarithmic Amplifier
(13) Overall Noise Figure 7.5dB (Average)