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NVS-GNSS-STA 授时接收器一体化天线

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.

Key Features:
• NVS-GNSS-STA Smart antenna for timing systems with built-in lightning protection NVS-GNSS-STANVS-GNSS-STA
• 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

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