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Re[2]: [Discuss-gnuradio] Common clock for two RFX2400 DB's

From: Andrey A
Subject: Re[2]: [Discuss-gnuradio] Common clock for two RFX2400 DB's
Date: Tue, 4 Mar 2008 20:15:33 +0300

>>> Andrey A wrote:
>>>> Hello!
>>>> We consider using USRP with two RFX2400 dautherboards to build MIMO system.
>>>> As I can see, each RFX2400 has Tx and Rx VCOs. Is it possible to use
>>>> common clock for these two dautherboards? (Frequency mismatch between
>>>> VCOs may prevent MIMO).
>>> All the VCOs are locked to the same reference, so you can do MIMO.
>> Thank you, Matt.
>> One more question. What is the reference instability?

> Are you looking for the frequency accuracy?  phase noise?  I'm not sure
> what you mean.

We are concerned about frequency accuracy.

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