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Vaisala Sigmet Digital Receiver and Signal Processor RVP900

The Vaisala Sigmet Digital Receiver and Signal Processor RVP900™ - Dual Polarization, Wide Dynamic Range, and Pulse Compression ready


    • 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 Range                                         ​5-120 MHz
    ​Saturation Level ​+8.0 dBm @ 50Ω
    ​Dynamic Range
    (dependent on matched filter)

    90 to >105 dB
    Optional wide dynamic range mode ​>120 dB
    ​A/D Resolution ​16 bits
    ​Sampling Rate ​50 - 100 MHz
    ​Master Clock jitter ​<1.0 picosec
    ​Multiply/accumulate cycles per second
    (5X greater than RVP8/IFD)

    38.4 billion Hz
    ​Pulse Repetition Frequency ​50 Hz to 20 KHz
    ​Impulse Response ​3024 FIR taps
    (Up to 80 microseconds)
    ​Minimum Range Resolution ​15 meters
    (accuracy of ±1.5 m)
    ​Maximum Range ​1024 km
    ​Maximum number of range bins ​4200
    ​Klystron: ​Better than 0.1 degrees
    (for 1.0 microsecond pulse):

    Better than 0.5 degrees
    ​Two 16-bit TxDAC outputs 5-65 MHz
    >65 dB SNR
    +13dBm @ 50Ω
    TxDDS output ​5-105 MHz
    >65 dB SNR
    +13dBm @ 50Ω
    ​RS-422 ​20 Differential Line Pairs
    ​TTL/CMOS Lines 20 open-ended lines
    ​Analog input ​6 differential pairs ±10V

    Signal Processor

    Processing Modes ​PPP, 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 Polarization ​Alternating, Simultaneous, H-Only
    ​Azimuth Averaging ​2 to 1024 Pulses
    ​Dual PRF ​Velocity De-aliasing 2:3, 3:4, or 4:5 for 2X, 3X, or 4X de-aliasing
    ​Clutter Filters ​IIR, Fixed and Adaptive Width
    GMAPTM >60dB rejection

    Physical and Environmental

    ​Digital Receiver: ​ 85-264 VAC 50/60 Hz or 12-36 VDC
    ​Signal Processor: ​100 - 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
    Related Services
    • Warranty 
    • All Vaisala products and services are covered by a 12-month warranty as standard, with selected products covered for up to 24 months. During this period you benefit from free repair or replacement of faulty equipment.
    • Site Survey 
    • A comprehensive site survey from Vaisala is the first step to ensuring successful installation and integration for environmental observation systems. It guarantees the delivery of a reliable and accurate system with optimal positioning and performance.
    • Warranty 
    • Acceptance Testing 
    • Our extensive testing procedures, carried out at our factory and on site, verify that your systems are operating according to specifications. After our acceptance test your equipment is optimized and ready to use.
    • Installation 
    • Vaisala’s installation service ensures that your equipment is set up correctly and optimally. An installation may include everything from hardware set-up to integration of the equipment into your infrastructure, making sure that you enjoy a smooth start up and reduced maintenance costs.