[Hackrf-dev] Rf amplifier not working

[Mitja kocjančič]

I used this tutorial to repair it (pay someone to do it for me because I
don't know how to solder): http://www.t4f.org/articles/repairing-the-hackrf/
when I broke mein
not sure how I did it
and would like to know if there are any percussions I have to take so it
won't happen again

2018-02-07 19:59 GMT+01:00 Michael Ossmann <mike at ossmann.com>:

> On Wed, Feb 07, 2018 at 02:12:33PM +0100, giuseppe wrote:
> >
> > activating rf amp silences the reception and does not increase tx level.
> >
> > Is it PA broken alone or should I replace RF  switch ic(s) as well?
>
> Usually this can be repaired by replacing just the amplifier IC (U13 for
> RX or
> U25 for TX).
>
> > Which is the expected behavior on RX if rf amp is engaged?
>
> You should be able to observe an increase in signal power when the RF amp
> is
> activated.  If the RF amp is broken, activating the amp typically results
> in a
> decrease in signal power instead of an increase.
>
> By the way, your mail client has done an unneighborly thing in designating
> your
> email as multipart/alternative with an empty text/plain section.  In some
> mail
> clients (and probably the mailing list digest) this makes the body of your
> message appear empty.
>
> Mike
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>
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