I see that http://code.ettus.com/redmine/ettus/projects/public/documents
has the PDFs, but are the PCB/PADS files still around for any of these
boards? If the answer is no, then is open source hardware becoming
open, but we don't want to make it too easy since we make money on
these. If yes, then
It is USRP2, my system setup is Ubuntu 9.04+Gnuradio3.2.2.
My test codes includes the benchmark OFDM, BBN code, which i tested smoothly
before both cabling and over the air.
TX uses XCVR2450, the RX uses RFX2400 or DBSRX-LF.
Best,
Guanbo
On Feb 17, 2011, at 10:42 PM, Marcus D. Leech
Hi
I used XCVR2450 daughterboard for TX and RX on USRP2 and everything is fine.
Recently I began to use RFX2400 and DBSRX-LF, which I found out the
performance are much worse than XCVR2450.
Observed from FFT plot, I found out there are some weird spectrum response
using RFX2400 and DBSRX-LF
Hi
I used XCVR2450 daughterboard for TX and RX on USRP2 and everything is
fine.
Recently I began to use RFX2400 and DBSRX-LF, which I found out the
performance are much worse than XCVR2450.
Observed from FFT plot, I found out there are some weird spectrum
response using RFX2400 and
Is there a PDF or cad or gerber file for a daughterboard dimensions? I
searched the previous posts and found a thread from 2005 and couldn't find
anything in the schematic folders at code.ettus.com I think that there was
something about this earlier this year, so if they are coming along to
On Tue, Mar 16, 2010 at 04:34:44PM -0500, John Orlando wrote:
Hi all,
Just looking through the WBX daughterboard code in the latest git repo
for adding support for the USRP2 (which can be found at
usrp2/firmware/lib/). I noticed that in adf4350.c, there is a #define
for INPUT_REF_FREQ that
Hi all,
Just looking through the WBX daughterboard code in the latest git repo
for adding support for the USRP2 (which can be found at
usrp2/firmware/lib/). I noticed that in adf4350.c, there is a #define
for INPUT_REF_FREQ that is defined as 50e6 (50 MHz), which is then
used in all of the
On Tue, Mar 16, 2010 at 04:34:44PM -0500, John Orlando wrote:
Hi all,
Just looking through the WBX daughterboard code in the latest git repo
for adding support for the USRP2 (which can be found at
usrp2/firmware/lib/). I noticed that in adf4350.c, there is a #define
for INPUT_REF_FREQ that
Hi All,
When we use any of the USRP daughterboard to transmit, do we need the
authorization? For example, FRX900 includes the cell phone bands in US. If
we use FRX900 to transmit, do we violate the FCC rule? Or, we could legally
use any daughterboard on any band that falls in the frequency
On Thu, Mar 4, 2010 at 12:48 PM, Brook Lin gnu.f...@yahoo.com wrote:
Hi All,
When we use any of the USRP daughterboard to transmit, do we need the
authorization? For example, FRX900 includes the cell phone bands in US. If
we use FRX900 to transmit, do we violate the FCC rule? Or, we could
On Thu, Mar 4, 2010 at 10:48, Brook Lin gnu.f...@yahoo.com wrote:
When we use any of the USRP daughterboard to transmit, do we need the
authorization? For example, FRX900 includes the cell phone bands in US. If
we use FRX900 to transmit, do we violate the FCC rule? Or, we could legally
use
On Thu, Mar 4, 2010 at 11:24, Jason Uher jasonu...@gmail.com wrote:
...with the RFX900 you can transmit safely in the ISM band.
And others as long as you are below the transmit power thresholds
(which are quite low).
I (perhaps mistakenly) thought that in order to be in compliance with
FCC
On Thu, Mar 4, 2010 at 12:15, Jason Uher jasonu...@gmail.com wrote:
You are right, unless your device is pre-approved by the FCC you can't
legally transmit in unlicensed bands.
I was under the impression that the USRPs status as 'test equipment'
allowed transmission in unlicensed bands (like
When we use any of the USRP daughterboard to transmit, do we need the
authorization? For example, FRX900 includes the cell phone bands in US. If
we use FRX900 to transmit, do we violate the FCC rule? Or, we could legally
use any daughterboard on any band that falls in the frequency range of
To echo what John sent. There are provisions to do testing and very
limited radiation from intentional radiators. You can see them
outlined in Part 15 of the FCC Rules and Regulations...
There are two things that tend to get conflated here. One is the
ability to market and sell products like the USRP and the other is the
ability to operate it.
Items that radiate and are marketed and sold in the US, typically are
subject to certification. Test equipment is subject to
Just to kick in our experience at Virginia Tech, we have several STA's
because we do a lot of wireless work. I believe this link will take you
to our license:
https://fjallfoss.fcc.gov/oetcf/els/reports/ViewGrant.cfm?id_file_num=0013-EX-ST-2010application_seq=43699
The process is not as bad
Brook Lin wrote:
Hi All,
When we use any of the USRP daughterboard to transmit, do we need the
authorization? For example, FRX900 includes the cell phone bands in US. If
we use FRX900 to transmit, do we violate the FCC rule? Or, we could legally
use any daughterboard on any band that falls in
, and buggy signal.
There are so few examples on the USRP2 in the code and it is not so easy to
understand how to work with it if you have never used a USRP1.
Best Regards,
Dan
From:Costantini, Andrea
Subject:[Discuss-gnuradio] daughterboard xcvr2450 tx/rx
Date:Sun, 1 Mar 2009 18:11:43
Hi everybody,
I'm new in GNURadio and USRP's world. I'm working with ubuntu 8.04, USRP2,
daughterboard xcvr2450, and last trunk of GNURadio. I'm trying (with GRC) to
transmit and receive on the same USRP2 a sinusoidal signal. (with frequency 50
kHz). In my trasmition chain at first I generate
Assuming I am only interested in RX and the DBSRX, RFX900 and TVRX
boards all reach the frequencies I need, what other factors should I
be considering to pick the most appropriate board for any given
application?
___
Discuss-gnuradio mailing list
Ryan Pape wrote:
Assuming I am only interested in RX and the DBSRX, RFX900 and TVRX
boards all reach the frequencies I need, what other factors should I
be considering to pick the most appropriate board for any given
application?
The DBSRX has the lowest noise figure (3-5dB, IIRC), and you
Hi everyone,
What is the input impedance for the TVRX and DBSRX daughterboards?
The
tuners used on the boards have 75Ω inputs according to the tuners'
datasheets. Are the board inputs also 75Ω, or has something been done
to convert them to 50Ω inputs?
Thanks!
Thomas
Thomas wrote:
Hi everyone,
What is the input impedance for the TVRX and DBSRX daughterboards?
The tuners used on the boards have 75Ω inputs according to the tuners'
datasheets. Are the board inputs also 75Ω, or has something been done
to convert them to 50Ω inputs?
The TVRX is really 75
===
RFX400 to be discontinued
===
The RFX400 daughterboard will be discontinued when the current stock
runs out. We have designed a replacement for it which will
significantly exceed the capabilities of the RFX400 in many
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