[Hackrf-dev] Problem with RF amplifier at UHF

[MA]

Update: I think my HackRF is not faulty; I created a simple FM transmitter
with GNU Radio and set the frequency to 2.0GHZ; But I think it may have a
drift/offset problem, because on another SDR (receiver), I get that FM on
about 14KHZ further !! (on 2.000.014.000 HZ)

Mehdi

On Sat, Dec 5, 2015 at 11:16 AM, MA <mehdideveloper at gmail.com> wrote:

> Hi
> I'm trying to run a GPS simulator on my HackRF.
> Here's the link to the project: https://github.com/osqzss/gps-sdr-sim
> The author (and another user) have managed to run this successfully on a
> HackRF (although he says HackRF has a problem of clock unstability, but it
> still can be used)
> He uses a 20dB attenuator at the output (with ANT500) and the signal
> strength on his Android GPS diagnostics app is about 40.
> I don't use an attenuator and still my signal strength rarely reaches 30 !
> What could be wrong with my HackRF?
> FYI, I've installed a RF shield and a heatsink (bought from NooElec), but
> I doubt they have anything to do with TX power.
>
> Thanks
> Mehdi
>
>
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