Specifications - Furuno FR-1505 MARK-3 Series Service Manual

1.3 Specifications

SCANNER UNIT
ITEM
Radiator Type
Radiator Length
Horizontal Beamwidth
Vertical Beamwidth
Within +10 deg. to
–10 deg. of mainlobe
Sidelobe
Attenuation
Outside +10 deg. to
–10 deg. of mainlobe
Polarization
Antenna Rotation
Scanner Housing Structure
Compass Safe Distance
TRANSCEIVER
ITEM
Magnetron
Frequency &
Modulation
Peak Output Power
Pulselength & Pulse
Repetition Rate
Modulator
Duplexer
Tuning
Intermediate
Frequency
Bandwidth
FR-1505 MARK-3
120 cm (XN12AF),
200 cm (XN20AF)
1.92 deg. (XN12AF),
1.24 deg. (XN20AF)
19.5 deg. (XN12AF),
20 deg. (XN20AF)
–28 dB or less
(XN12AF/XN20AF)
–32 dB or less
(XN12AF/XN20AF)
Standard
Steering
FR-1505 MARK-3
MG5389/E3560
9380 MHz to 9440 MHz, P0N (X band)
6 kW
0.07 µs, approx. 3000 Hz (S1 : 0.125 nm to 1.5 nm)
0.15 µs, approx. 3000 Hz (S2 : 0.5 nm to 3 nm)
0.3 µs, approx. 1500 Hz (M1 : 0.75 nm to 6 nm)
0.5 µs, approx. 1000 Hz (M2 : 3 nm to 24 nm)
0.7 µs, approx. 1000 Hz (M3 : 3 nm to 24 nm)
1.2 µs,
approx. 600 Hz
(L : 12 nm to 32 nm)
approx. 500 Hz
(L : 48 nm)
25 MHz (0.07 µs, 0.15 µs, 0.3 µs),
3 MHz (0.5 µ, 0.7 µ, 1.2 µ)
FR-1510 MARK-3
Slotted Waveguide Array
120 cm (XN12AF), 200 cm (XN20AF),
1.92 deg. (XN12AF), 1.24 deg. (XN20AF),
0.96 deg. (XN24AF)
19.5 deg. (XN12AF), 20 deg. (XN20AF),
21 deg. (XN24AF)
(XN12AF/XN20AF/XN24AF))
(XN12AF/XN20AF/XN24AF)
Horizontal
approx. 24 rpm/approx. 42 rpm
Open Radiator
1.65 m
1.25 m
FR-1510 MARK-3
MG5241
12 kW
1.2 µs,
approx. 600 Hz
(L : 12 nm to 48 nm)
approx. 500 Hz
(L : 72 nm)
FET Switch
Circulator with diode limiter
Automatic or Manual
60 MHz
1-3
FR-1525 MARK-3
240 cm (XN24AF)
–28 dB or less
–32 dB or less
FR-1525 MARK-3
MG5436
25 kW
1.2 µs,
approx. 600 Hz
(L : 12 nm to 48 nm)
approx. 500 Hz
(L : 120 nm)