Scanner Unit Nke-1055-4 ／ 6 - JRC JMA-3910-4 Instruction Manual

Scanner Unit NKE-1055-4 ／ 6
10.2
1) Outside dimensions:
2) Mass:
3) Plane of polarization:
4) Beam width:
5) Antenna rotation:
6) Transmission output:
7) Transmission frequency:
8) Transmission tube:
9) Transmission pulse width/repetition frequency:
10) Transmission switch:
11) Mixer:
12) Intermediate frequency amplifier:
13) Overall noise figure:
14) Wind Load:
Approx. height 440 × approx. swing circle 1340 (mm) (4ft)
Approx. height 440 × approx. swing circle 1910 (mm) (6ft)
Approx. 29kg (4ft)
Approx. 33kg (6ft)
Horizontal polarization
Horizontal beam width = 1.9 degrees (4ft)
Horizontal beam width = 1.2 degrees (6ft)
Vertical beam width
Vertical beam width
Side lobe level
Within ±10 degrees = –23dB max. (4ft)
Outside ±10 degrees = –26dB max. (4ft)
Approx. 24rpm
10kW
9410±30MHz
Magnetron MSF1425B
Short
0.125nm
0.25nm
0.5nm
0.75nm
0.08µs ／ 2080Hz
1.5nm
0.2µs ／ 2080Hz
3nm
0.4µs ／ 1560Hz
6nm
12nm 0.4µs ／ 1560Hz
16nm
24nm
32nm
48nm
96nm
Circulator + Diode limiter
MIC front end
Intermediate frequency = 60MHz
Band width
Gain
Receiver characteristic = Logarithmic receiver
7.5dB (average)
51.5m/s (100knots) relative
10 – 2
= 25 degrees (4ft)
= 25 degrees (6ft)
–26dB max. (6ft)
–30dB max. (6ft)
Standard Long
0.08µs ／ 2080Hz
0.08µs ／ 2080Hz
0.08µs ／ 2080Hz
0.08µs ／ 2080Hz 0.2µs ／ 2080Hz
0.2µs ／ 2080Hz 0.4µs ／ 1560Hz
0.4µs ／ 1560Hz 0.8µs ／ 780Hz
0.8µs ／ 780Hz 1.2µs ／ 520Hz
0.8µs ／ 780Hz 1.2µs ／ 520Hz
0.8µs ／ 780Hz 1.2µs ／ 520Hz
1.2µs ／ 520Hz
1.2µs ／ 520Hz
1.2µs ／ 520Hz
1.2µs ／ 520Hz
= 20MHz (0.08µs)
6MHz (0.2 and 0.4µs)
3MHz (0.8 and 1.2µs)
= 90dB min.
10
10