I read it went yeah I can't really understand it Sent from my iPhone
> On 7 Aug 2017, at 3:53 pm, Hakan Tolgay <hakantol...@gmail.com> wrote: > > Hello all, > > I am re-sending the following email since I didn't get confirmation email. > Sorry if it is duplicate. > > Regards, > Hakan > > ---------- Forwarded message ---------- > > Hello all, > > I am playing with my new HackRF One which I bought at Defcon. I thought that > SDR courses at https://greatscottgadgets.com/sdr/ is a good start. > > I did the first diagram which Michael Ossman shows. It seems to be working > great at first. However, I realize that, whenever the difference between > channel_freq and center_freq is greater than 6Mhz (6e6) the result frequency > was getting corrupted. > > For those who don't know the first SDR lesson, my problem is, when I tried to > multiply 100e6 with a frequency greater than 6e6, resulting frequency becomes > something that shouldn't be. > For example multiplication of: > > 105e6 with -2e6 generates 107e6 with no problem > 104e6 with -3e6 generates 107e6 with no problem > 105e6 with -4e6 generates 107e6 with no problem > 103e6 with -5e6 generates 107e6 with no problem > > but, > 98e6 with -9e6 generates 97e6. I also checked it from the radio and it was > really 97Mhz. > > At first I thought that it may be because of my CPU which couldn't generate > 9MHz signal. So, I drop the sample rate to 2M but it didn't work. However, > the resulting frequency shifted a little bit left or rigt to the 97.0Mhz. > > > This my be a so easy question but I really couldn't find any explanation. Any > idea would help. > > btw, my cpu is Intel i5-3337U > > Thanks > Hakan > > _______________________________________________ > HackRF-dev mailing list > HackRF-dev@greatscottgadgets.com > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
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