东枫科技

标签： USRP

  • Board Mounted GPSDO (OCXO) Recommended for USRP X300/X310

    783173-01 | GPSDO for USRP X Series (PCB-Mounted GPS-Disciplined OCXO) $ 2,130.00 USD

    This is a GPS-disciplined, oven-controlled crystal oscillator (GPSDO), which is compatible with a USRP X300 or X310.  The GPSDO provides a high-accuracy 10 MHz reference and 1 PPS signal.  This allows developers to build system that serve applications with tight synchronization requirements, or global timing alignment within 50 ns.

    Overview

    This is a GPS-disciplined, oven-controlled crystal oscillator (GPSDO), which is compatible with a USRP X300 or X310.  It can also be used with the USRP B200/B210, but the system will require external power.  The GPSDO provides a high-accuracy 10 MHz reference and 1 PPS signal, which allow developers to build systems that serve applications with improved frequency accuracy and global timing alignment.

    We recommend reading the GPSDO Selection Guide to ensure this is the right device for your application. 

    Module Specifications
    1 PPS Accuracy±50ns to UTC RMS (1-Sigma) GPS Locked
    Holdover Stability<±20µs over 3 hour period at +25C
    1 PPS Output (OCXO Flywheel Generated)3.3VDC CMOS
    RS-232 ControlNMEA & SCPI-99 Control Commands, Integrated into UHD
    GPS FrequencyL1, C/A 1574MHz
    GPS AntennaActive (5V compatible) or Passive
    GPS Receiver50 Channels, Mobile, WAAS, EGNOS, MSAS capable
    SensitivityAcquisition -142dBm, Tracking -168dBm
    TTFFCold Start: <45 sec, Warm Start: 1 sec, Hot Start: 1 sec
    ADEV1E-11 at 1s
    Warm Up Time / Stabilization Time<5 min at +25C to 1E-08 Accuracy
    Supply Voltage (Vdd)3.3/5VDC
    Power Consumption0.7W Max
    Operating Temperature0C to +60C
    Storage Temperature-45C to 85C
    Oscillator Specifications
    Frequency Output10MHz
    10MHz Retrace±2E-08 after 1 hour at 25C
    Frequency Stability Over Temperature (Unlock Condition)±2.5E-08
    Warm Up Time< 1 min at +25C
    Phase Noise at 10MHz1Hz-75dBc/Hz
    10Hz-110dBc/Hz
    100Hz-132dBc/Hz
    1kHz-142dBc/Hz
    10kHz<-145dBc/Hz

    Additional Resources

    Kit Contents:

    • Board-Mounted GPSDO (OCXO)
    • Documentation for Installation and Configuration/Setup

    Recommended for Use With:

    • A USRP X300 and USRP X310 for a high-accuracy clock reference.
    • Add a GPSDO Mini GPS Antenna to synchronized the GPSDO to the GPS constellation for 25 ppb frequency accuracy and 50 ns alignment across the globe.

  • Board Mounted GPSDO (TCXO) Recommended for USRP B200/B210

    783454-01 | BOARD MOUNTED GPSDO KIT (PCB-MOUNTED GPS-DISCIPLINED TCXO)  $ 1,362.00 USD

    This is a GPS-disciplined, temperature-controlled crystal oscillator (GPSDO), which is recommended for use with a USRP B200/B210.  The GPSDO provides a high-accuracy 10 MHz reference and 1 PPS signal, which allows developers to build systems that serve applications with improved frequency accuracy (75 ppb in unlocked condition) or global timing alignment (50 ns in locked condition).

    Overview

    This is a GPS-disciplined, temperature-controlled crystal oscillator (GPSDO), which is recommended for use with a USRP B200/B210.  The GPSDO provides a high-accuracy 10 MHz reference and 1 PPS signal, which allows developers to build systems that serve applications with improved frequency accuracy (75 ppb in unlocked condition) or global timing alignment (50 ns in locked condition).

    Unlike the OCXO-based version, which is recommended for use with the USRP X300/X310, this lower power module can be used with the USRP B200/B210 in a USB bus-powered configuration. 

    We recommend reading the GPSDO Selection Guide to ensure this is the right device for your application.  

    Module Specifications
    1 PPS Accuracy±50ns to UTC RMS (1-Sigma) GPS Locked
    1 PPS Output3.3VDC CMOS
    RS-232 ControlNMEA & SCPI-99 Control Commands, Integrated into UHD
    GPS FrequencyL1, C/A 1574MHz
    GPS AntennaActive (5V compatible) or Passive
    GPS Receiver50 Channels, Mobile, WAAS, EGNOS, MSAS capable
    SensitivityAcquisition -142dBm, Tracking -168dBm
    TTFFCold Start: <45 sec, Warm Start: 1 sec, Hot Start: 1 sec
    ADEV1E-11 at 1s
    Warm Up Time / Stabilization Time<5 min at +25C to 1E-08 Accuracy
    Supply Voltage (Vdd)3.3V
    Power Consumption0.5W Max
    Operating Temperature0C to +60C
    Storage Temperature-45C to 85C
    Oscillator Specifications
    Frequency Output10MHz
    10MHz Retrace±2E-08 after 1 hour at 25C
    Frequency Stability Over Temperature (Unlock Condition)±7.5E-08
    Warm Up Time< 1 min at +25C
    Phase Noise at 10MHz1Hz-65dBc/Hz
    10Hz-102dBc/Hz
    100Hz-132dBc/Hz
    10kHz<-152dBc/Hz

    Additional Resources

    Kit Contents:

    • Board-Mounted GPSDO (TCXO)
    • Documentation for Installation and Configuration/Setup

    Recommended for Use With:

    • A USRP B200/B210 for a high-accuracy clock reference that can be used in a bus-powered configuration.
    • Add a GPSDO Mini GPS (5V) Antenna to synchronize the GPSDO to the GPS constellation for 75 ppb frequency accuracy and 50 ns alignment across the globe.

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