[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Discuss-gnuradio] USRP and RFX2400 block diagrams
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] USRP and RFX2400 block diagrams |
Date: |
Wed, 30 Aug 2006 06:56:14 +0000 |
User-agent: |
Mutt/1.5.9i |
On Tue, Aug 29, 2006 at 10:08:47PM -0400, Lee Patton wrote:
> I've taken a shot at coming up with block diagrams for the USRP and
> RFX2400. The diagram for the USRP is the result of information I've
> gleaned from different messages in the list, data sheets, and block
> diagrams created by other GNU Radio users (specifically, Achilleas
> Anastasopoulos). The RFX2400 diagram was created from Matt's drawings
> and associated data sheets.
>
> The diagrams can be found here:
> http://www.pattoncentral.org/gnuradio/diagram/
Nice diagrams! Thanks!
Here are a couple of tweaks:
The digital down-conversion should show a single complex multiplier
instead of two real multipliers.
Same comment on the digital up-conversion. We've got "Block D"
enabled in the AD9862, thus it's functioning as a complex multiplier.
> Hopefully this will help clear up questions regarding how the I/Q
> sampling happens. Please let me know if (when) you see something that
> needs fixed.
>
> Thanks,
> Lee
Eric