Thank you Marcus. On Thu, Sep 3, 2015 at 4:05 AM, Marcus Müller <marcus.muel...@ettus.com> wrote:
> Hoang, > > there's the frequency modulator block. I think this is what you're looking > for. > > Best regards, > Marcus > > > On 03.09.2015 07:03, Hoang Nguyen Tran wrote: > > Hi Rich, > I am continue with the transmitting part ? > However, I cannot fine the FSK modulate block or Quadrature mod in GNU > radio companion. > Is there another block that use for FSK modulation in GNU radio ? I found > DPSK mod, GFSK mod, GMSK mod ... however not FSK. > Do you have any example for transmitting flow graph in GNU radio with USRP > ? If yes, could you please give any hint ? > Thank you and best regard > Hoang > > On Mon, Aug 31, 2015 at 7:31 PM, Hoang Nguyen Tran <hoangn...@gmail.com> > wrote: > >> Thank you Rich, >> I have added Rational Resample with the formular : Fs_out = Fs_in x >> Interpolation / Decimation >> Then the grc run without error. >> >> >> On Fri, Aug 28, 2015 at 7:03 PM, Richard Bell < <richard.be...@gmail.com> >> richard.be...@gmail.com> wrote: >> >>> Hi Hoang, >>> >>> Yes it's a problem with your design. You have 2 Msps feeding into an >>> audio sink that probably goes up to 48 ksps. You need to change your sample >>> rate from 2 Msps to a rate your sound card supports. I would target one of >>> the default rates you can select from the audio sink. You can use polyphase >>> arbitrary resampler block with the proper resampling ratio 2M/48k entered >>> leaving the taps blank and the other parameters to default. >>> >>> Hope that helps, >>> Rich >>> >>> On Fri, Aug 28, 2015 at 2:19 PM, Hoang Nguyen Tran < >>> <hoangn...@gmail.com>hoangn...@gmail.com> wrote: >>> >>>> Dear all, >>>> >>>> I have just built a FSK receiver aim to receive Cubesat data with FSK >>>> modulation with 9600 baud rate, below is my flow graph. >>>> I have just tested it with usb dongle RTL-SDR, however when I'm using >>>> audio sink, I received OOOOO (overrun I think) continuously . >>>> Does it have anything wrong with my set up ? >>>> >>>> samplerate 2M >>>> cut off freq 9600 >>>> transition 4800 >>>> >>>> I really appriciate for any comment on my FSK receiver flowgraph, I am >>>> a newbie :) >>>> >>>> Thank you and best regard, >>>> Hoang >>>> >>>> -- >>>> -HoangNT- >>>> PhoneNo : +841654248782 >>>> Skype : hoangastro >>>> FB : <https://www.facebook.com/kenshin.rorouni> >>>> https://www.facebook.com/kenshin.rorouni >>>> >>>> _______________________________________________ >>>> Discuss-gnuradio mailing list >>>> Discuss-gnuradio@gnu.org >>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >>>> >>>> >>> >> >> >> -- >> -HoangNT- >> PhoneNo : +841654248782 >> Skype : hoangastro >> FB : <https://www.facebook.com/kenshin.rorouni> >> https://www.facebook.com/kenshin.rorouni >> > > > > -- > -HoangNT- > PhoneNo : +841654248782 > Skype : hoangastro > FB : <https://www.facebook.com/kenshin.rorouni> > https://www.facebook.com/kenshin.rorouni > > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > -- -HoangNT- PhoneNo : +841654248782 Skype : hoangastro FB : https://www.facebook.com/kenshin.rorouni
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