> Satellite & QO-100>Reference GPSDO V2 DXPatrol 10 Mhz OCXO with screen
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DX Patrol

QO100-DXPATROL-GPSDO-V2-1262

New product

Portugal

Reference GPSDO V2 DXPatrol 10 Mhz OCXO with screen

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DX Patrol's new version GPSDO V2 DXPatrol (GPS Disciplined Oscillator) features an OLED display to show local geographic coordinates, high precision UTC time, clock and number of satellites.

Equipped with a GPS receiver (U-Blox 7N) and a very high stability 10 Mhz OCXO oscillator (0.05ppb *), disciplined thanks to GNSS, GPS, Galileo or Glonass satellite signals.

In a metal case, powered from 8V to 15V and with 3 10Mhz outputs with SMA female connector and an output power of 7dBm (~ 5mW).

Supplied with: 1 DX Patrol GPS-DO V2, with GPS antenna and cable, without power supply (optional USB Ripcord 9V or 12V cable ), manual to download below (in English).

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Manual GPS DO V2 DXPatrol

1.87M

Data sheet

GPS-DO reference: 10,000,000 Hz
Compatible satellite receiver: GPS, Galileo and Glonass
3 outputs 10MHz + 1 (square wave)
Power: ~ 7dBm (5mW)
RF connector: SMA female
50% duty cycle
Phase noise at 1 Hz -80dBc / Hz
Phase noise at 10 Hz -120dBc / Hz
Phase noise at 1 KHz -145dBc / Hz
Phase noise at 10 KHz - 150dBc / Hz
Second harmonic <51 dBs
Third harmonic <56 dBs
Start-up time: About 5 minutes
Operating temperature range: 0 ° C to 75 ° C
Operating temperature: 50 ° C (OCXO)
Supply voltage: 8V to 14V DC (supplied without power supply - optional)
Power connector: Standard 5.5mm jack
Current consumption: 600mA on ignition, 270mA after OCXO locking (5 minutes)
GPS acquisition indication by LED (green LED = GPS signal and OCXO signal acquired, red LED awaiting acquisition
Dimensions: 84 x 71 x 25 mm

A GPSDO is a device used to ensure stability and precision in the microwave domain, which requires high precision, such as for example for amateur radio activity on the QO100 satellite .

This GPS-DO clock reference can also be used as a synchronization source, via satellite time signals, to provide positional accuracy, for navigation and GPS applications.

The U-Blox GPS receiver integrates a Flash memory programmed so that the synthesizer generates a frequency of 1000 PPS on its output.

Due to the very high jitter of the modules, the sharpness of the signal is improved with a Schimtt trigger to obtain a clean square wave at 1 kHz.

This GPS-DO is programmed in Hotstart mode. This means that even without an antenna connected, or a GPS signal received, the GPSDO will still have a fair and precise 10Mhz signal on its outputs.

During normal operation of the OCXO oscillator, it takes approximately 5 minutes for it to reach its nominal operating temperature of approximately 50 ° C. It is quite normal for the GPSDO DXPatrol box to heat up when in use.

* Stability depends on various factors including temperature change.

Short term stability 0.05 PPB / second
Temperature stability: 10 PPB
Stability under load: 2 PPB
Aging: 0.5PPB / day, 100PPB / year, 0.4 PPM 10 years

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