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Re: [Discuss-gnuradio] Setting the XCVR2450 Bandwidth

From: Michael Hill
Subject: Re: [Discuss-gnuradio] Setting the XCVR2450 Bandwidth
Date: Tue, 28 Aug 2012 21:22:47 +0930

Awesome, thanks Josh - I'll give this a try tomorrow!

On Thu, Aug 23, 2012 at 9:55 AM, Josh Blum <address@hidden> wrote:

On 08/22/2012 06:11 AM, Michael Hill wrote:
> Thanks Josh,
> I've still been toying with this though.. and aren't really having any
> success.
> E.g. if I pick a Tx bandwidth of 24MHz.. and transmit
> and use 8bit I&Q samples transmitted at 50MHz.. then shouldn't I see some
> signs of the filter?
> What should I be looking for on my spec amp?

Just transmit some wideband noise and zoom out on the spectrum analyzer.
You should easily see the filter profile.

(Flow graph attached).

> I assume by baseband filter, that you mean this is a digital filter that
> applies what I send from the CPU to the USRP..

This is an analog baseband filter on the XCVR 2450.


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