[Hackrf-dev] HackRF One RX Gain issue ?

[Simon Kennedy]

Yep, that's a sure symptom of having blown the RF amp.

I did it when I forgot to turn off the HackRF and transmitted 50W at HF
near it.

Simon.

On 3 Dec 2016 09:43, "Jason c." <jlcook83 at hotmail.com> wrote:

> Hey group, just got my HackRF One today, playing around with it, I'm
> pretty happy!
>
> However,  I'm Having a strange issue with the RX Gain control.  It seems
> that when RX Gain is now set to anything above 0 (such as the expected
> 14db), the RX amp appears to shut off, (signal strength drops!).  I could
> have sworn earlier on today, I was seeing my signal strength increase when
> switched to 14db....  anyone else experience this?
>
> I am using the osmocom in GRC to set the gain value.  One other thing to
> note, I was playing around with a 2-way radio near HackRF unit trying to
> get that to receive,  I don't think I would have gotten closer than 3-4
> feet.  Could I have blown the Rx Amp in any way doing this?  I wouldn't
> think so.... but could be wrong.  It's strange that when I expect the amp
> to be turning ON, the Gain drops....  could this be a bad amp?
>
> JC
>
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