Re: [Discuss-gnuradio] trouble with gr_multiply_const_ff

2013-11-28 Thread Marcus Müller
Hi Lee, I don't quite understand what these images show, and they're too small to read the axes. Could you elaborate on where you take them from? Is the input data the same? Whitout guarantee, I'd assume that multiply_const_ff works quite well, and that the problem is somewhere else. What doe

[Discuss-gnuradio] trouble with gr_multiply_const_ff

2013-11-28 Thread atools_cook
Hi all, I'm working on the gen2_reader project and got some trouble with the amp block. We use the gr_multiply_const_ff to amplify the power of signal. amp = gr.multiply_const_ff(amplitude) tx = uhd.usrp_sink(options.args,uhd.io_type.COMPLEX_FLOAT32, num_channels=1,) self.connect(self.rea

Re: [Discuss-gnuradio] WX GUI Constellation sink plot freez ?

2013-11-28 Thread Naceur
Thank you for the reply :) -- View this message in context: http://gnuradio.4.n7.nabble.com/WX-GUI-Constellation-sink-plot-freez-tp44967p45017.html Sent from the GnuRadio mailing list archive at Nabble.com. ___ Discuss-gnuradio mailing list Discuss-g

[Discuss-gnuradio] git support in gr_modtool

2013-11-28 Thread Martin Braun (CEL)
Hi, the master branch has a new feature for modtool: git support. If enabled, 'gr_modtool create' will automatically turn the newly created directory into a git repository and add all the new files. The modtool subcommands add, rm, disable and makexml can then update the git index when operating

Re: [Discuss-gnuradio] Gauging interest for an SDR PA

2013-11-28 Thread Wayne Roberts
The latest GaN devices seem impressive, many rated at DC to 4GHz. But the reality is whether impedance matching circuit can reach 50MHz to 3GHz bandwidth. The problem is power efficiency and thermal dissipation. Especially when you combine boost DC supply, you're not going to have a heat sink fitti

Re: [Discuss-gnuradio] Gnuradio 3.7.2 adn WX GUI Waterfall Sink with only blue screen output

2013-11-28 Thread Ben Z en de rest
Hi, Found no way to solve the problem, after trying to make openGL working and disabling as described in Tom's message so I did a clean Ubuntu 12,04 install, then run the wonderfull gnuradio installation script and now I have a nicely working waterfall with Gnuradio 3.7.2 Now, before playing time