[Discuss-gnuradio] Optimising performance of N210 + XCVR2450

2012-07-25 Thread Michael Hill
I have a few queries regarding some of the options for improving the performance of the XCVR2450 + N210. 1) The N210 can offer 50MSPS with 8 bit IQ samples or 25MSPS with 16bit 1Q. If using 16 bit I Q samples, I'd just leave the UHD input block with Complex int 16. How do I implement 8 bit IQ

[Discuss-gnuradio] Ezcap DVB dongle and HF converter

2012-07-25 Thread Phil
Thank you for reading this. I received my HF up converter (the companion for the Funcube dongle) in the mail today but disappointingly I cannot hear anything but noise. The spectrogram shows a lot of activity which I suspect is noise generated by the laptop. Has anyone had success with this

Re: [Discuss-gnuradio] GSoC: Filter Design tool update

2012-07-25 Thread sreeraj r
I didnt mean to imply that there was some kind of formal discussion tool like a forum thread. I was just referring to these emails: https://lists.gnu.org/archive/html/discuss-gnuradio/2012-05/msg00142.html https://lists.gnu.org/archive/html/discuss-gnuradio/2012-05/msg00146.html I think that

Re: [Discuss-gnuradio] GSoC: Filter Design tool update

2012-07-25 Thread Robert McGwier
Adaptive filtering, whether FIR or IIR, will change the taps dynamically. I love the design tool idea. Bob On Wednesday, July 25, 2012, sreeraj r wrote: I didnt mean to imply that there was some kind of formal discussion tool like a forum thread. I was just referring to these emails:

Re: [Discuss-gnuradio] Optimising performance of N210 + XCVR2450

2012-07-25 Thread Daniel Labarowski
Michael, 1) For 8 bit you change the wire format parameter of the UHD Source and Sink from automatic to sc8. This is one of the options you get when double clicking the Source/Sink in GRC. Changing the output type of the block in GRC has no effect on the wire format. No modification to