Jason, I haven't noticed any affect to Tx only to Rx as I believe the IC is dedicated to Rx. There is a good write up of the symptoms and how to fix it here: http://www.t4f.org/articles/repairing-the-hackrf/
Simon. On 3 December 2016 at 19:12, Jason c. <[email protected]> wrote: > Thanks for the quick reply Simon, it's not the news I was hoping for.. but > explains the sudden change in Rx behavior. > > Will this affect other modes of operation (i.e. Tx..?) is it the same amp > IC? > > What have others done to resolve the problem, is it just the replacement > of the one IC (I'm ok with SMD soldering) ? > > I hate to phrase it this way, but seems like a design flaw.. I understand > the need for care and attention when using rf test tools, but I guess I > expected a bit more robustness for the price paid.. > > Jason > > Sent from my iPhone > > On Dec 3, 2016, at 6:12 AM, Simon Kennedy <[email protected]> wrote: > > 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." <[email protected]> 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 >> >> _______________________________________________ >> HackRF-dev mailing list >> [email protected] >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> >>
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