[Discuss-gnuradio] GNU Radio / USRP Alternatives --- > Re: GRCon13 Hardware Giveaway!

2013-09-01 Thread Software Defines Radio
Ian, While I am unaware of how qualitative the Lime Micro Systems Chips are, what worry's me about these GNU Radio / USRP Alternatives: > - Fairwaves UmTRX > - Lime Micro MyriadRF > - Loctronix A-2300 Is that all the above listed SDR devices utilizes a 1 product company, and the last one we

Re: [Discuss-gnuradio] gr-digital / gmsk_demod M&M vs PFB

2013-09-01 Thread Tom Rondeau
On Sat, Aug 31, 2013 at 1:09 PM, Ryan Pape wrote: > In looking at gmsk_demod currently, it is using M&M clock recovery, but > here: > > http://gnuradio.org/redmine/projects/gnuradio/repository/revisions/2f75b230e1a54ce10900ad37520dd03ff01685e8/entry/gr-digital/python/gmsk.py > > in 2011 it was sw

[Discuss-gnuradio] File sink

2013-09-01 Thread sumitstop
I have an application where I observe real time display of some bands. What I want to do is make a FIFO/Buffer where the data can be stored simultaneously and with a push button 'rewind' I can access the immediate past 15 sec data. So basically I want to know how to make a such file sink, which ca

[Discuss-gnuradio] OFDM with GRC demod problem

2013-09-01 Thread Roger
Hi, I'm doing an OFDM radio system with GRC. I have built the whole system. the output of transmitter looks good, but the output of OFDM demodulation block has no waveform. Can anyone help me ? untitled.grc OFDM.png

Re: [Discuss-gnuradio] File sink

2013-09-01 Thread Marcus Müller
Hello Sumit Kurmar, this depends on what you want to do with your data, the data rate, and the amount of effort your willing to make. - Easiest solution: Use the "delay" block with a delay of (sample rate) * 15s. Advantage: Yields a GNU Radio sample stream that's delayed by 15s. Drawback: This

[Discuss-gnuradio] read GPSDO data with GRC

2013-09-01 Thread Francois Quitin
Hi all, I'd like to know if it's possible to read the GPSDO data (more specifically the GPS time) with GNURadio-companion. I understand there are simple commands to read this data in C++ or python, and I'd like to know if it's possible in GRC. I'm familiar with programming GRC blocks and workin

Re: [Discuss-gnuradio] [USRP-users] USRP N210 Rev 4.0 generation/architecture

2013-09-01 Thread Matt Ettus
Yes to both questions. Matt On Sun, Sep 1, 2013 at 10:28 PM, Sam mite wrote: > Does USRP N210 Rev 4.0 belongs to 2nd generation USRP architecture? Does > the picture attached rightly depicts the USRP N210 Rev 4.0 architecture? > > > -- > > Sam > > __