Re: [Discuss-gnuradio] Why 4 ADC's?

2007-07-18 Thread Ian Larsen
Thank you, that's very helpful. I assume this also true for the BasicRX daughterboard? (Doesn't do downconversion, but does do analog multiplication to get I and Q?) -Ian On 7/18/07, Johnathan Corgan [EMAIL PROTECTED] wrote: Ian Larsen wrote: I have a conceptual question about the USRP.

Re: [Discuss-gnuradio] Why 4 ADC's?

2007-07-18 Thread Johnathan Corgan
Ian Larsen wrote: I assume this also true for the BasicRX daughterboard? (Doesn't do downconversion, but does do analog multiplication to get I and Q?) Almost. The boards don't do anything with the signal, but have separate I and Q inputs that go to the ADCs as is. On the FPGA, however,

[Discuss-gnuradio] Storing A/D samples in memory.........

2007-07-18 Thread Kshitij Kumar Singh
As a part of some research work on cooperative communications in wireless networks, I had decided to use the USRP as one the of my implementation platforms. I used the tutorials by D. Shen as a reference. There are, however , some specific problems I need help with :

Re: [Discuss-gnuradio] Storing A/D samples in memory.........

2007-07-18 Thread David Scaperoth
On Jul 18, 2007, at 4:53 PM, Kshitij Kumar Singh wrote: As a part of some research work on cooperative communications in wireless networks, I had decided to use the USRP as one the of my implementation platforms. I used the tutorials by D. Shen as a reference. There are, however , some

[Discuss-gnuradio] Low cost, low power FPGA card

2007-07-18 Thread Kim Toms
Arrow has designed a new demonstration card for the Cyclone III FGPA from Altera. I attended one of the seminars yesterday. The board contains many peripherals, an EP3C25F324 FPGA, 1Gb SD Card, 96x64 pixel bit mapped OLED display, audio out, several LEDs, buttons, 32Mb CFI Parrallel Flash,

[Discuss-gnuradio] USRP as relay

2007-07-18 Thread pratik hetamsaria
hi.. I want to make the usrp function as a relay for audio files. Apart from working on rx_voice.py for getting the relay function to work(i have written about the problem faced by me in my previous mail) http://lists.gnu.org/archive/html/discuss-gnuradio/2007-07/msg00203.html i just made up

Re: [Discuss-gnuradio] Low cost, low power FPGA card

2007-07-18 Thread Brian Padalino
On 7/18/07, Kim Toms [EMAIL PROTECTED] wrote: Arrow has designed a new demonstration card for the Cyclone III FGPA from Altera. I attended one of the seminars yesterday. The board contains many peripherals, an EP3C25F324 FPGA, 1Gb SD Card, 96x64 pixel bit mapped OLED display, audio out,