Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2

Marcus,

I mis-spoke: I am using a common *receiver* application, and I am comparing the received spectrum when using either the N21 or the USRP2 as the transmitter.

Attached are the screen shots of the parameters of the UHD USRP Sink block, which is common when using either of the two boxes to transmit (other than the IP address).

Attached also are the results of executing “uhd_usrp_probe” for each of the two boxes.

I do not understand why I am seeing a healthy spectrum when receiving from the N210 transmitter, but nothing when receiving from the USRP2 transmitter.

Help.

Thanks,

Aaron

From: Marcus D. Leech <address@hidden>
Sent: Tuesday, April 2, 2019 9:34 AM
To: Chesir, Aaron M. <address@hidden>; address@hidden
Subject: Re: [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:20 AM, Chesir, Aaron M. wrote:

When I generate a known good signal in the ISM band (902 MHz), I can use any other receiver with GRC and a good spectrum will be displayed. When I use the USRP2 with GRC, to receive and characterize energy , GRC offers no complaints, but GRC indicates no reception of any signal energy.

What daughtercard do you have installed? What gain setting are you using?

From: Discuss-gnuradio <discuss-gnuradio-bounces+address@hidden> On Behalf Of Marcus D. Leech
Sent: Tuesday, April 2, 2019 9:06 AM
To: address@hidden
Subject: [EXT] Re: [Discuss-gnuradio] Need support for USRP2

On 04/02/2019 09:00 AM, Chesir, Aaron M. wrote:

Folks,

Apparently the USRP2 is no longer supported by GNUradio Companion.

Do any of you have the source files that would allow one to use gr_modtool to build a GRC block for the USRP2: One to transmit and one to receive?

Thanks,

Aaron

That isn't true. You can even still use USRP1 with Gnu Radio.
From: Discuss-gnuradio <discuss-gnuradio-bounces+address@hidden> On Behalf Of Neel Pandeya
Sent: Saturday, March 16, 2019 10:37 PM
To: address@hidden
Cc: GNURadio Discussion List <address@hidden>
Subject: [EXT] Re: [Discuss-gnuradio] forum to learn more about signal-processing and SDR ?

Hello Kristoff:

These pages have links to resources that might be helpful to you.

https://kb.ettus.com/Suggested_Videos

https://kb.ettus.com/Suggested_Reading

--Neel Pandeya

On Sat, 16 Mar 2019 at 21:01, Ali Dormiani <address@hidden> wrote:

This book is also a great starting point and reference.

Digital Signal Processing by Oppenheim and Schafer

Also, here is a fun visual way of getting an alternative understanding of Fourier transforms.

https://www.youtube.com/watch?v=spUNpyF58BY

Have fun,

Ali

On Sat, Mar 16, 2019 at 2:24 PM Albin Stigö <address@hidden> wrote:

This book is a very good starting point:

http://www.dspguide.com

dsp.stackexchange.com is a good place for questions.

Good luck.

Albin SM6WJM

On Sat, Mar 16, 2019, 22:20 Kristoff <address@hidden> wrote:

Hi,

One of the reasons I am currently using GNU Radio is to learn more about
signal-processing and SDR.

As the "discuss-gnuradio" list is about gnuradio itself, what would be a
good mailing-list, newsgroup or forum to ask more generic questions
about signal-processing?

Kristoff (ON1ARF)

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From:	Chesir, Aaron M.
Subject:	Re: [Discuss-gnuradio] [EXT] Re: Need support for USRP2
Date:	Tue, 2 Apr 2019 14:04:09 +0000