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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.