Re: [Discuss-gnuradio] XCVR in the 2.2Ghz range

2008-11-16 Thread Johnathan Corgan
On Sun, 2008-11-16 at 20:42 -0500, Marcus D. Leech wrote: > How easily can the RFX1800 or RFX2400 be modified to operate around > 2.2Ghz? This is for a potential S-band satellite > project operating near that frequency. This is straightforward; I did an S-band satellite groundstation transceiv

Re: [Discuss-gnuradio] XCVR in the 2.2Ghz range

2008-11-16 Thread Brian Padalino
On Sun, Nov 16, 2008 at 8:42 PM, Marcus D. Leech <[EMAIL PROTECTED]> wrote: > How easily can the RFX1800 or RFX2400 be modified to operate around > 2.2Ghz? This is for a potential S-band satellite > project operating near that frequency. It looks like it uses an ADF4360 as the RX synthesizer. T

[Discuss-gnuradio] XCVR in the 2.2Ghz range

2008-11-16 Thread Marcus D. Leech
How easily can the RFX1800 or RFX2400 be modified to operate around 2.2Ghz? This is for a potential S-band satellite project operating near that frequency. -- Marcus Leech Principal Investigator, Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org __

[Discuss-gnuradio] BPSK modulatio

2008-11-16 Thread mehdimolu
hey, I am triying to implement a BPSK link between two USRPs. I had a look to the bench mark code and I tried to implement such a modulator and demodulator except removing differential blocks in both RX and TX. the tx and rx chains are as below : TX :message_from_string->bytes2chunks->symbol_ma

Re: [Discuss-gnuradio] GnuRadio and CUDA

2008-11-16 Thread Martin DvH
On Fri, 2008-11-14 at 16:42 -0800, Bob Keyes wrote: > I've just been given a Nvidia Quadro 5600 and I am thinking of using it for > DSP. Has anyone experimented with USRP & gnuradio & cuda? > I have been working on this for quite some time now. I did a glsl implementation a few years back but it

Re: [Discuss-gnuradio] GPU progress?

2008-11-16 Thread Martin DvH
On Sat, 2008-11-15 at 10:30 -0500, Marcus D. Leech wrote: > What is the current status of GPU support in Gnu Radio? In particular, > a GPUed FFT implementation would be peachy keen. > I have been working on this for quite some time now. I did a glsl implementation a few years back but it didn't

[Discuss-gnuradio] GMSK demodulation

2008-11-16 Thread Eyal Laser
i used both gr.quadrature_demod_cf, and gnuradio.blksimpl.gmsk_demod and both demodulation the signal with a lot of noises is there any way to solve the problem and get clean bits? -- Posted via http://www.ruby-forum.com/. ___ Discuss-gnuradio mailing