Product Detail

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

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

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.

Additional Information:

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

$1,060.00

783173-01

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GPSDO for USRP X Series (PCB-Mounted GPS-Disciplined OCXO)

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 Control

NMEA & SCPI-99 Control Commands, Integrated into UHD

GPS Frequency

L1, C/A 1574MHz

GPS Antenna

Active (5V compatible) or Passive

GPS Receiver

50 Channels, Mobile, WAAS, EGNOS, MSAS capable

Sensitivity

Acquisition -142dBm, Tracking -168dBm

TTFF

Cold Start: <45 sec, Warm Start: 1 sec, Hot Start: 1 sec

ADEV

1E-11 at 1s

Warm Up Time / Stabilization Time

<5 min at +25C to 1E-08 Accuracy

Supply Voltage (Vdd)

3.3/5VDC

Power Consumption

0.7W Max

Operating Temperature

0C to +60C

Storage Temperature

-45C to 85C

Oscillator Specifications

Frequency Output

10MHz

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 10MHz

1Hz

-75dBc/Hz

10Hz

-110dBc/Hz

100Hz

-132dBc/Hz

1kHz

-142dBc/Hz

10kHz

<-145dBc/Hz

Compatible Products
USRP B200 (Board Only) UB200-KIT USRP B200 (Board Only) $745.00

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USRP B210 (Board Only) UB210-KIT USRP B210 (Board Only) $1,216.00

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USRP X300 X300-KIT USRP X300 $4,296.00

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USRP X310 X310-KIT USRP X310 $5,290.00

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5-Volt Active GPS Antenna for USRP X300/X310 and B200/B210 GPS-ANT-5V 5-Volt Active GPS Antenna for USRP X300/X310 and B200/B210 $57.00

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