I've seen the the UHD manual but not the performance measures doc. It is not opening for me. If it has a block diagram of the WBX board, then that is what I was looking for.
There is no more information I need at this time. Your previous answer was helpful and what I was looking for. Yes you can move this to the usrp list. Thanks again, Rich On Mon, Dec 8, 2014 at 12:24 PM, Marcus Müller <marcus.muel...@ettus.com> wrote: > There's so much Marcus in here ;) so here's my answer: usually, you'd use > the USRP+WBX as direct conversion receiver, not an IF one. > > Regarding WBX documentation: have you seen the performance measurements > [1], and the UHD manual [2]? > > Is there some specific information you're missing? > > Best regards, > Marcus > > PS: if you'd agree, I'd like to shift this discussion to > usrp-us...@lists.ettus.com . > > [1] http://files.ettus.com/performance_data/wbx/ > [2] http://files.ettus.com/manual/page_dboards.html#dboards_wbx > > > On 12/08/2014 08:57 PM, Richard Bell wrote: > > I think Marcus answered my question. Thank you. > > On Mon, Dec 8, 2014 at 11:53 AM, Richard Bell <richard.be...@gmail.com> > <richard.be...@gmail.com> > wrote: > > > I'm apologize. I am using a WBX card. > > I forgot to mention that I've been looking for a datasheet for the WBX, > but all I can find is the PCB schematic doc on the ettus website which > isn't very useful. So I don't know what the IF frequency coming out of the > WBX is. Does the WBX tune itself given the UHD source settings so that the > IF it produces is proper for the USRP ADC? > > Rich > > On Mon, Dec 8, 2014 at 11:28 AM, <mle...@ripnet.com> <mle...@ripnet.com> > wrote: > > > The N2xx series use a fixed sample rate, so there's no "deciding what > sample rate to use based on Fc". > > There's also the analog bandwidth of the ADC to consider. If you aren't > going to use a downconverter card, then the analog bandwidth of the ADC > will start to roll-off at some point, so even if you narrowband filter your > input signal to remove aliasing possibilities, you will end up in the > roll-off skirts of the analog bandwidth of the ADC. > > Is there some reason not to use a downconverter card, like the WBX for > your application? > > > > > > > On 2014-12-08 14:23, Richard Bell wrote: > > I have a binary FSK signal centered at 300 MHz with 160 kHz offset > peaks from the center freak. Therefore the lowest signal frequency of > interest is 300-0.16 = 299.84 MHz and the highest is 300.16 MHz. > > I know the maximum sampling rate of the USRPN210 ADC is 100 MSPS. If the > USRP uses that sample rate of 100 MSPS, it will alias my signal onto itself > in an unwanted manor. > > My question is, how does the USRPN210 decide what sample rate to set the > ADC to? Is it a function of both the center frequency and the sample rate > setting of the UHD source block? > > Thanks, > Rich > > _______________________________________________ > Discuss-gnuradio mailing > listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > _______________________________________________ > 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 > >
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