Re: [Discuss-gnuradio] Different sensing results with same hypothesis

[Marcus D. Leech]

On 02/19/2014 12:34 PM, Dan CaJacob wrote:

Oh, you were talking about the daughterboard itself.  No guarantees there, but the schematics are all available.  I think there was a recent discussion about this on the list.  What I was saying specifically, was that there is no AGC in the USRP motherboards/FPGA.  Daughterboards are separate, but in general, I don;t think they have AGC.  The WBX and some others, for instance, use fixed gain amplifiers with a variable attenuator to control power.

Very Respectfully,

Dan CaJacob

The only card with AGC is TVRX2, and it cannot be disabled.

On Wed, Feb 19, 2014 at 11:19 AM, Aditya Dhananjay <address@hidden> wrote:

I don't think there is any AGC on USRP hardware...

Hi Dan,

You are correct; I stand corrected. The XVCR2450 does not have an AGC.

best,

aditya

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-- 
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org