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Saturday, 23 Sep 2017

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NVS Technologies OEM receivers offer multi-constellation L1 frequency tracking, featuring flexibility and low power consumption ensuring uncompromised quality and easy Integration.

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NVS-GNSS-STA

NVS-GNSS-STA provides an integrated L1 GPS+GLONASS receiver and antenna in one rugged housing with built-in lightning protection. 1 PPS is supported in the following time scales: UTC, UTC SU, UTC GLONASS, UTC GPS.

Additional Info

  • Key Features:
    • NVS-GNSS-STA Smart antenna for timing systems with built-in lightning protection
    • GPS L1, GLONASS L1 and SBAS receiver with integrated antenna
    • Time source for the NTP server, Level 1
    • Pulse signal second mark 1PPS adjustable duration
    • Accuracy signal 1PPS - 15 ns (RMS), resolution 38.5 ns *
    • High noise immunity and elimination of multipath
    • Communication protocol: IEC 61162-1 (NMEA 0183), BINR
    • RS-422 interface to connect the antenna to to longer cable runs
    • Built-in lightning protection meets EN61000-4-5 level 4
    • Operating temperature -40 to +85 ° C
    • Low power consumption (<240 mW)
    • Input voltage 8 ... 30V
    • High out of band rejection to mitigate interference

    * Without taking into account the propagation delay in the cable and driver
  • Description:
    NVS-GNSS-STA Smart antenna - advanced solution for the accurate timing and synchronization market, providing a cost-effective and independent source of 1PPS signal for various applications:
    • System time synchronization of wireless networks GSM, CDMA, LTE
    • Automated accounting system resources
    • Distributed Information Systems
    • Industrial automation systems
    • Automated payment systems
    • Automated Traffic Control System Features

    Benefits
    • Integrated GNSS antenna and receiver in one rugged housing
    • Quadrifiliar helix element for optimal coverage and multipath rejection
    • Low noise amplifier with preselector and interstage filter for low interference
    • Low power consumption (240 mW max.)
    • Input voltage 8V-30V DC
    • Lighting Protection Compliance per EN61000-4-5 Level 4
    • Two serial communication ports provide maximum flexibility to manage smart antenna and receive navigation information. The third port is used for transmitting second timestamp (1PPS).
    • 1PPS momentum can be synchronized with a user-selectable reference time UTC, UTC GPS, UTC SU, UTC GLONASS.
    • Timing accuracy is less than 15 nanoseconds (one sigma).
    • RS-422 is ideal for communications on long cable lines required to connect an antenna mounted on buildings or towers.
  • GNSS signals:
    • Number of channels: 32
    • Satellite access mode: All-in-view
    • GPS/SBAS: L1 1575.42 MHz
    • GLONASS: L1 1597.5-1609.5 MHz
  • Navigation Features:
    • Accuracy (RMS)*
       - time 1PPS ±15 ns (resolution 38.5 ns)
       - horizontal autonomous mode 2.5 m  
       - differential mode 1 m  
       - height 3 m  
       - velocities 0.05 m/s 

    • Time to First Fix*:
       - reacquisition <1 s
       - hot start <3 s
       - cold & warm start 30 s
    • Sensitivity:
       - cold start –143 dBm
       - tracking and reacquisition –160 dBm
    • Supported:
       - vehicle dynamics velocity 500 m/s
       - acceleration 5g
       - altitude 18000 m
    • Coordinate system: WGS-84 (default), PZ-90 SK-42, SK-95  

    * typical values
  • RF functionality:
    GNSS Antenna

    • frequency band 1590 ± 35 MHz.
    • quadrifiliar helix element and LNA
    • Out-of-band rejection:
    ≥ -60dB @ ≤ 1535 MHz
    ≥ -60dB @ ≥ 1630 MHz

    GNSS Receiver
    • LNA Built-In (SW controlled for power saving)
    • RF structure with Two Independent RF FE chains: GPS/GALILEO/BeiDou/SBAS L1 and GLONASS L1
    • Internal Clock 26 MHz TCXO
  • Environmental data:
    • Operating temperature –40 to +85°C
    • Storage temperature –55 to +105°C
    • Maximum operating humidity 95% @ 40°С
  • Data Interface:
    • Data update/output rate 1, 2, 5, 10 Hz
    • Supported protocols:
    − IEC1162 (NMEA 0183)
    − BINR (proprietary)
    − RTCM SC 104

    • Host data interface:
    − Two Full-duplex RS-422 I/O ports
    − Data exchange rate up to 230’400 bit/s
    − One Half-duplex RS-422 1PPS output
  • Block diagram:
  • Power supply:
    • Input voltage 8...30 V
    • Power consumption
  • Dimensions:
    • Ingress protection IP67
    • Dimensions 126 H x 81 mm
    • Weight 0.3 kg
    • Connector: 12-pin circular connector conforming IEC 60130-9 v3.0
  • Evaluation Kit: