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Re: [Discuss-gnuradio] Question over the Silder in GRC

From: Martin Braun (CEL)
Subject: Re: [Discuss-gnuradio] Question over the Silder in GRC
Date: Thu, 10 Oct 2013 10:03:37 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Wed, Oct 09, 2013 at 05:15:04PM -0400, Baokun Liu wrote:
> Hi all,
> I am using USRP N210 and GRC. I have a question over changing a USRP
> parameter using a slider in GRC.
> If I want to change the TX frequency from 2GHz to 4GHz using a slider, as
> we know, during this process, the slider would experience many in-between
> values, such as 2.1, 3, 3.55, 3.888 and so on, how USRP would react to
> these in-between values? Is there some mechanism to prevent the USRP
> from overloaded if I move the slider very fast? Should the slider value
> hold on for some time before sending the value to USRP?

Hi Baokun,

haven't checked this, but are you sure the event doesn't get triggered
once you let go of the slider? At least that's what I thought would


Karlsruhe Institute of Technology (KIT)
Communications Engineering Lab (CEL)

Dipl.-Ing. Martin Braun
Research Associate

Kaiserstraße 12
Building 05.01
76131 Karlsruhe

Phone: +49 721 608-43790
Fax: +49 721 608-46071

KIT -- University of the State of Baden-Württemberg and
National Laboratory of the Helmholtz Association

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