[Discuss-gnuradio] why there is a requirement of adc_model.v in usrp2 ?

2010-12-29 Thread anirudh2059.
Hi, I am working on my college project (usrp2). I am trying to analyze some of the FPGA codes and I came across a code for adc i.e. adc_model.v . ( /usrp2/models). My question is if I am using an external ADC (LTC 2284) then why is it required to design a model for adc? pls note:- I am a new be

[Discuss-gnuradio] output 0 is not connected internally

2010-12-29 Thread Brad Hein
I'm endeavouring to get gnuradio+grc working in Fedora 14 on my i386 computers. I've tried two now, and I'm plagued with the same problems - they just won't execute. I suspect there's a problem which went undetected, maybe a python file version mismatch or some other inconsistency. I'm trying hard

Re: [Discuss-gnuradio] USRP daughter-boards for 2.3-2.4, 2.5-2.7, 3.4-3.6 GHz

2010-12-29 Thread John Orlando
On Wed, Dec 29, 2010 at 10:53 AM, Alexander Chemeris wrote: > John, > > Does BURX work with UHD and USRP E100? Alexander, The BURX board doesn't currently have driver support for the UHD (and thus, from what I understand, can't be used with the E100 either). >From a technical standpoint, we've be

[Discuss-gnuradio] Greeting and a question

2010-12-29 Thread Farhad Abdolian
Hi everyone, I am a newcomer on this list and would like to first introduce myself. I am a HW design engineer with over 20 years of experience in designing various electronic and systems including a working base station based on SW radio in 1999 with a team of engineers at Ericsson Radio Access

[Discuss-gnuradio] How to create a dropout in GNU radio?

2010-12-29 Thread Jie Liu
I am planning to implement a lab test for an idea in networked control and try to create the dropout phenomenon using USRP and Gnuradio. Can I just implement a block with UDP protocol via the wireless channel? Cheers and happy new year! ___ Discuss-gnu

Re: [Discuss-gnuradio] USRP daughter-boards for 2.3-2.4, 2.5-2.7, 3.4-3.6 GHz

2010-12-29 Thread Alexander Chemeris
John, Does BURX work with UHD and USRP E100? On Wed, Dec 15, 2010 at 18:51, John Orlando wrote: > On Wed, Dec 15, 2010 at 8:21 AM, Alexander Chemeris > wrote: >> Hi all, >> >> I need to receive in the following bands - 2.3-2.4, 2.5-2.7, 3.4-3.6 >> GHz for WiMAX signal detection. >> >> I see the

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2010-12-29 Thread Jimmy Richardson
Hi, Tom: Please see my comments below. Thanks On 12/29/2010 12:58 AM, Tom Rondeau wrote: On Mon, Dec 27, 2010 at 3:48 AM, Jimmy Richardson wrote: Hi,: I'm learning about polyphase channelizer, and I have been reading fred harris' paper "Digital Receivers and Transmitters Using Polyphase Fil

Re: [Discuss-gnuradio] Re: [Openbts-discuss] how openbts set channel bandwidth?

2010-12-29 Thread Marcus D. Leech
On 12/29/2010 01:40 AM, James Jordan wrote: > Marcus, Thanks. I am dsp idiot, I thought decimation is only set the > sample rate before. Didn't know it also set up a filter. Correct decimation *requires* filtering, so that aliases don't end up in the output sample stream. So-called "naive" decimat