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Re: [Discuss-gnuradio] BasicTX PLL and some TX doubts
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] BasicTX PLL and some TX doubts |
Date: |
Tue, 13 Jan 2009 12:03:35 -0800 |
User-agent: |
Mutt/1.5.18 (2008-05-17) |
On Tue, Jan 13, 2009 at 05:19:32PM -0200, Ronaldo Nunez wrote:
> Hello community,
>
> I'm trying to understand how signals are transmitted by the USRP with a
> basicTX.
> I studied a lot about Quadrature Modulation, Single Sideband transmission...
> and I've read all the available documentation about USRP and GNUradio.
>
> Eric and other guys have helped me, but some doubts persists! :(
>
> There is a PLL in the BasicTX daughter board?
> How tune() function access that PLL?
> And for the other dboards, how tune() works for them?
>
> If somebody could help me, i will be thankful for life!
Please read the USRP FAQ then ask again if you're still not clear.
http://gnuradio.org/trac/wiki/UsrpFAQ
http://gnuradio.org/trac/attachment/wiki/UsrpFAQ/USRP_Documentation.pdf
Have you looked at the code that implements tune?
Eric