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Appendix A: Technical specification
RD218 18"Radome scanner unit
General
Approvals
CE - conforms to
1999/5/EC
FCC - conforms to
47CFR Part 2 and Part 80
Φ521 x 247 mm (20.5 x 9.7 in)
Dimensions
Weight
9.5 kg (21 lbs)
Input Voltage
8.7 - 32 V DC (from display unit)
Power Consumption
28 W (9 W Standby)
Environmental
Waterproof to CFR46
Temperature range:
Humidity limit:
Maximum wind speed for satisfactory operation:
100 Kts
Maximum Range Scale
24 nm
Transmitter
Transmitter Frequency
Peak Power Output
Transmitter
Pulse Length/PRF
Range (nm)
0.25 or less
0.50
0.75
0.75 expanded
-10° to +55°C
1.50
up to 95% at 35°C
3.00
3.00 expanded
6.00 or greater
Standby Mode
Duplexer
9410 +/– 30 MHz
2.0 kW (nominal)
Solid-state modulator driving Magnetron
Pulse Length (ns)
PRF (kHz)
75
3.0
100
3.0
150
3.0
250
2.5
350
1.8
450
1.4
600
1.0
1.0 μs
740 Hz
magnetron heater and control left on, all other
services off
Circulator
23
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