Furuno DRS12ACM, Installation Manual

Page: 34 / 52

FURUNO
DRS SERIES
SP - 1
E3567S01A-M
SPECIFICATIONS OF RADAR SENSOR
DRS SERIES
1 RADIATOR
1.1 Antenna type
DRS2D/4D Patched waveguide array antenna
DRS4A/6A/12A/25A Slotted waveguide array antenna
1.2 Antenna length
DRS2D 19-inch
DRS4D 24-inch
DRS4A 3.4
ft
DRS6A 4 ft
DRS12A/25A 4 ft (XN12A), 6 ft (XN13A)
1.3 Horizontal beam width (3 dB)
DRS2D 5.2°
DRS4D 4.0°
DRS4A 2.3°
DRS6A 1.9°
DRS12A/25A
1.9° (XN12A), 1.4° (XN13A)
1.4 Vertical beam width (3 dB)
DRS2D/4D 25°
DRS4A/6A/12A/25A 22°
1.5 Gain
DRS2D 21.5dBi
DRS4D 23.0dBi
DRS4A 27.5dBi
DRS6A 28.5dBi
DRS12A/25A 28.5dBi
(XN12A), 30dBi (XN13A)
1.6 Sidelobe attenuation
DRS2D -24 dB (within ±20°), -26 dB (±20° or more)
DRS4D -25 dB (within ±20°), -27 dB (±20° or more)
DRS4A -20 dB (within ±20°), -28 dB (±20° or more)
DRS6A/12A/25A -27 dB (within ±10°), -28 dB (±10° or more)
1.7 Rotation 24/36/48 rpm
2 RADAR FUNCTION
2.1 TX frequency 9410±30 MHz, P0N
2.2 Output power (nominal) DRS2D: 2.2 kW, DRS4D/4A: 4 kW, DRS6A: 6 kW, DRS12A: 12 kW
DRS25A: 25 kW
2.3 Duplexer Ferrite circulator with diode limiter
2.4 Intermediate frequency 60 MHz
2.5 Range, Pulse length and Pulse Repetition Rate (PRR)
Range (nm)
Pulse length (
μ
s) PRR (Hz approx.)
0.125 to 1.5 0.08 3000
1.5 to 3 0.3 1500
3 to 24 0.5 1000
12 to 48 0.7 600
32 to 64 (72/96) 0.8 600 (550)