軟件無線電 時鐘源 GPSDO OCXO X310/X300產品概述
GPSDO (OCXO)，兼容USRP X300或X310。它也可以與USRP B200/B210一起使用，但是系統需要外部電源。GPSDO提供了一個高精度的10MHz參考頻率和1個PPS信號，允許開發人員構建一個系統，為應用提供更高的頻率精度和全局定時校準。
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, , 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 |
軟件無線電 時鐘源 GPSDO OCXO X310/X300其他資源
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:
GPSDO Selection Guide
GPSDO Software Setup and API
USRP™ X300/X310 Configuration Guide
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