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Re: [Discuss-gnuradio] Two DBSRX boards: same clock/LO

From: Martin Dvh
Subject: Re: [Discuss-gnuradio] Two DBSRX boards: same clock/LO
Date: Mon, 12 Feb 2007 23:20:02 +0100
User-agent: Debian Thunderbird 1.0.2 (X11/20070113)

Chris Stankevitz wrote:
> What is the characterization of the clock/LO errors between two DBRSX
> boards on one USRP?  My spiral antenna has two arms which should be
> sampled with the same clock.
The LO's are locked because they are generated (with a PLL) from the same 4 Mhz 
ref from the usrp.
There is of course some phasenoise, but they are usable for phasediff 
measurements and such.
So I wouldn't expect problems for you.

> Thank you,
> Chris
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