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osqzss / bladeGPS

Real-time GPS signal simulator for bladeRF
MIT License
142 stars 66 forks source link

VCTCXO taming #8

Closed zimler closed 8 years ago

zimler commented 8 years ago

I was reading this issue https://github.com/Nuand/bladeRF/issues/414 and I was wondering if bladeGPS is able to use a 1PPS or 10MHz inputs (1.8V) via J71-1 for better accuracy. If so, had you been using a device to do this? I am new to this world, so maybe this isn't even applicable here.

osqzss commented 8 years ago

It is not implemented but certainly applicable. However, the factory calibrated VCTCXO on the bladeRF is reasonably accurate and stable, and there is no trouble to run the simulator without an external reference.

zimler commented 8 years ago

OK, that makes sense. I read further in the original article and that was talking about using a hackrf, not the bladerf and the hackrf not being accurate enough so they needed an external 10mhz generator.

thanks!