User's Manual

85
8.2 Scanner Unit
Type: RB714A (RA40C)
RB715A (RA41C)
RB716A (RA42C)
Antenna type: Parabolic (RA40C)
Slotted-array (RA41C/42C)
Antenna characteristics
Beam width (horizontal): 6.0
° ±
1.0
° (RA40C)
3.9
°
(RA41C)
2.5
° ±
0.3
°
(RA42C with
3ft antenna)
1.8
° ±
0.2
°
(RA42C with
4ft antenna)
Beam width (vertical): 25
°
(typ.) (RA40C/41C)
22
°
(typ.) (RA42C with
3/4ft antenna)
Pulse width and peak power output:
•
RA40C RA41C/42C
Pulse width (µsec) Peak Power (kW) Pulse width (µsec) Peak Power (kW)
0.12
±
0.02 1.5 (
±
50%)
0.08 4 (-50% to +20%)
0.3
±
0.05 2.0 (
±
50%)
0.25 4 (-50% to +20%)
0.8
±
0.1 2.0 (
±
50%)
0.8 4 (-50% to +20%)
Radio wave type and frequency: P0N, 9445
±
30 MHz (RA40C)
P0N, 9410
±
30 MHz
(RA41C/42C)
Antenna revolution: 24 rpm
±
20%
Transmit/receive switching: Magic T and limiter type
(RA40C)
Circulator and limiter type
(RA41C/42C)
Intermediate frequency: 60 MHz
(logarithmic amplifier)
Noise figure: 6.5 dB or less
8.3 Display Unit
Type: RF719A
Indication system: PPI, PPI+semi-3D,
Split radar range
Indicator: 10-inch color LCD(TFT)
640 x 480 dots
Four(4 ) levels