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Technical Data
Transmitter
Type
Klystron VKC8387
Operating frequency range
5.6 - 5.65 GHz
Peak power
250 kW
Average power
max 550 W
Duty cycle
0.0022
Pulse widths
Typical 0.5, 1.0, 2.0, max 5.0 µs
PRF
250 to 2125 Hz
Modulator
Solid state
Antenna
Type
Center-fed parabolic reflector
Diameter
4.5 m
Gain (typical)
45 dB
Beam width
<1 degree
Peak side lobe (typical)
-28 dB
Peak on horizontal axis (typical)
-33 dB
Integrated cross-pol isolation
≤ -35 dB
H/V alignment (squint angle)
<0.1 degrees
Weight
620 kg
Options
Radome
6.7 m, foam core sandwich, random panel
Automatic calibration
Forward and reverse transmitted power monitoring
System Specifications
PhySical DimenSionS
Cabinet (w x h x d)
1400 x 1800 x 1300 mm
Cooling:
Air-conditioned and forced air
Weight
992 kg
Total height
1890 mm
cabinet environment
Operating
+5 °C to +40 °C, 0 to 95 %RH, non condensing
Recommended
+15 °C to +25 °C
Storage
-50 °C to +50 °C without oil
-10 ° to +50 °C with oil
antenna/PeDeStal environment
Operating
-40 °C to +55 °C, 0 to 95 %RH, non condensing
Storage
-50 °C to +60 °C
inPut Power
Voltage
230/400 VAC ±10 %, 50 - 60 Hz ± 5 %
Power conSumPtion
Cabinet
8720W max. with UPS
7850W max. without UPS
Antenna/pedestal
1050 W (max), 200 W (typical)
Pedestal
Type
Semi yoke elevation over azimuth
Elevation range
-2 to 108 degrees
Maximum scan rate
40 deg/sec
Acceleration
20 deg/sec
2
Position accuracy
0.1 deg
Weight
910 kg (total with antenna 1530 kg)
Motors
Brushless AC servo
RF-to-IF Receiver
Type
Dual stage, dual channel IF downconverter
Dynamic range
> 99 dB ( 2 µs pulse ) >115 dB option
IF frequency
442/60 MHz
Image rejection
>80 dB ( >100dB with Vaisala WG filters)
Phase stability
0.1 deg rms
Tuning range
5.5 - 5.7 GHz
Noise figure
< 2 dB
Radar Controller
Type
Vaisala Sigmet RCP8 with IRIS/Radar
Scan modes
PPI, RHI, Volume, Sector, Manual
Local display
Real time, ascope, BITE, products
ref. b210811en-D ©vaisala 2012
this material is subject to copyright protection, with all
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rights reserved. any logos and/or product names are trademarks
of vaisala or its individual partners. the reproduction, transfer,
distribution or storage of information contained in this brochure
in any form without the prior written consent of vaisala is strictly
prohibited. all specifications — technical included — are subject
to change without notice.
Digital IF Receiver and Signal Processor RVP900
Type
Vaisala Sigmet RVP900
IF digitizing
16 bits, 100 MHz in 5 channels
Range resolution
N*15 m
Number of range bins
Up to 4200
Velocity dealiasing
Dual PRF 2x, 3x, 4x
Range dealiasing
by phase coding
Clutter filters
fixed, adaptive or GMAP to >55 dB clutter
cancellation
High sensitivity STAR mode processing:
>3 dB detection gain
System Performance
Modes
STAR or LDR
Phase stability
<0.1 deg rms
Maximum RhoHV
>0.99
