Vaisala Sigmet Digital Receiver and Signal Processor RVP900

  • The RVP900™ Sigmet Digital Receiver and Signal Processor provides comprehensive digital IF and signal processing functions on an open Linux PC platform
  • 100 MHz, 16-bit IF sampling improving sensitivity and dynamic range in 5 independent channels
  • 38.4 Billion multiply accumulates cycles per second which is a x5 increase over the RVP8™
  • RVP900™ Sigmet is compatible with any PC server using a Ethernet interface. The next generation hardware is the next faster PC chip.
  • Independent and parallel FIR filtering allowing dual pulse width and dual frequency strategies on each receive channel
  • Dual Polarization, Wide Dynamic Range, and Pulse Compression ready
Technical Specifications
IF Digital Receiver
IF Range5-120 MHz
Saturation Level+8.0 dBm @ 50ohm
Dynamic Range (dependent on matched filter)90 to >105 dB
Optional wide dynamic range mode>120 dB
A/D Resolution16 bits
Sampling Rate50 - 100 MHz
Master Clock jitter<1.0 picosec
Multiply/accumulate cycles per second (5X greater than RVP8/IFD)38.4 billion Hz
Pulse Repetition Frequency50 Hz to 20 KHz
Impulse Response3024 FIR taps(Up to 80 microseconds)
Minimum Range Resolution15 meters (accuracy of ±1.5 m)
Maximum Range1024 km
Maximum number of range bins4200
KlystronBetter than 0.1 degrees
Magnetron (for 1.0 microsecond pulse)Better than 0.5 degrees
Two 16-bit TxDAC outputs5-65 MHz
>65 dB SNR
+13dBm @ 50ohm
TxDDS output5-105 MHz
>65 dB SNR
+13dBm @ 50ohm
RS-42220 Differential Line Pairs
TTL/CMOSLines 20 open-ended lines
Analog input6 differential pairs ±10V
Signal Processor
Processing ModesPPP, DFT with GMAPTM, Random Phase 2nd trip filtering/recovery
Data Outputs (8 or 16 bit)Z, V, W, SQI, ZDR, LDR, RHOHV, PHIDP, and KDP, I/Q, Doppler Power Spectrum
Dual PolarizationAlternating, Simultaneous, H-Only
Azimuth Averaging2 to 1024 Pulses
Dual PRFVelocity De-aliasing 2:3, 3:4, or 4:5 for 2X, 3X, or 4X de-aliasing
Clutter FiltersIIR, Fixed and Adaptive Width GMAPTM >60dB rejection
Physical and Environmental
Digital Receiver85-264 VAC 50/60 Hz or 12-36 VDC
Signal Processor100 - 240V, 50 - 60Hz
Digital Receiver (non-condensing) R.H.-40 °C - 50 °C operating, 0 - 95%
Signal Processor (non-condensing) R.H.10 °C - 35 °C operating, 8 - 90%
Digital Receiver>50,000 Hours MTBF (at 25 °C),< 1 hour MTTR

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