Scanner Unit Nke-1056-6M - JRC JMA-7710-6 Instruction Manual

11
11.3

Scanner Unit NKE-1056-6M

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 length/repetition frequency:
10) Transmission switch:
11) Mixer:
12) Intermediate frequency amplifier:
13) Overall noise figure:
14) Wind Load:
Approx. height 519 × approx. swing circle 1910 (mm) (6ft)
Approx. height 519 × approx. swing circle 2836 (mm) (9ft)
Approx. 42kg (6ft)
Approx. 47kg (9ft)
Horizontal polarization
Horizontal beam width = 1.2 degrees (6ft)
Horizontal beam width = 0.8 degrees (9ft)
Vertical beam width
Vertical beam width
Side lobe level
Within ±10 degrees = –26dB max. (6 to 9ft)
Outside ±10 degrees = –30dB max. (6 to 9ft)
Approx. 24rpm
25kW
9410±30MHz
Magnetron M1437(A)
Short
0.125nm
0.25nm
0.5nm
0.75nm
1.5nm 0.08µs 2080Hz
3nm 0.2µs 2080Hz
6nm 0.4µs 1560Hz
12nm 0.4µs 1560Hz
24nm
32nm
48nm
120nm
Circulator + Diode limiter
MIC front end
Intermediate frequency = 60MHz
Band width
Gain
Receiver characteristic = Logarithmic receiver
7.5dB (average)
51.5m/s (100 knots) relative
11 – 3
9M
= 25 degrees (6ft)
= 25 degrees (9ft)
Standard
0.08µs 2080Hz
0.08µs 2080Hz
0.08µs 2080Hz
0.08µs 2080Hz
0.2µs 2080Hz
0.4µs 1560Hz
0.8µs 780Hz
0.8µs 780Hz
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.
Long
0.2µs 2080Hz
0.4µs 1560Hz
0.8µs 780Hz
1.2µs 520Hz
1.2µs 520Hz