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Today's Topics:
1. Re: Multi-USRP: RX signal strength (John Malsbury)
----------------------------------------------------------------------
Message: 1
Date: Sat, 26 May 2012 12:19:31 -0500
From: John Malsbury <[email protected]>
To: Steve Peters <[email protected]>
Cc: "[email protected]" <[email protected]>
Subject: Re: [USRP-users] Multi-USRP: RX signal strength
Message-ID:
<can5wegtgbqgwpjwziwworbjwvdctxg9hqwoizkndxcjxa7o...@mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Glad it worked out. What's your application?
John
On Friday, May 25, 2012, Steve Peters <[email protected]> wrote:
> Hi John, I just wanted to let you know that my problem was that I wasn't
setting the antenna port. I figured it would default to TX/RX.
>
> Thanks,
> Steve
>
> On Fri, May 18, 2012 at 2:16 PM, John Malsbury <[email protected]>
wrote:
>>
>> Can you port the code/GRC file that would show how you've got the
multi-USRP device configured?
>>
>> -John
>>
>>
>>
>> On 05/18/2012 12:05 PM, Steve Peters wrote:
>>
>> When I receive with multiple synchronized USRPs, all but one of them
will have very low sample magnitudes, to the point where the noise floor is
quantized. This does not occur when running any of the USRPs on their own,
and it's always addr0 that has the normal-magnitude samples.
>> I have a 4-radio setup with WBX daughtercards (and simple GDB) operating
at 450 MHz, but this happens even when running 2 radios at a time. The RX
gain appears to be getting set correctly on all the boards (or at least
get_rx_gain() says so). I've run test_pps_input on all the boards and it
passed each time.
>>
>> Any suggestions would be much appreciated.
>>
>> Steve
>>
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>
>
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