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Re: [Discuss-gnuradio] B2xx rates


From: Martin Braun
Subject: Re: [Discuss-gnuradio] B2xx rates
Date: Wed, 13 Apr 2016 14:03:30 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0

Just want to confirm this. The correct rate range is from 220 kHz to
61.44 MHz, or 30.72 MHz for 2x2 mode. The *analog* bandwidth is capped
at 56 MHz.

M



On 04/13/2016 11:16 AM, Ian Buckley wrote:
> For what (little) it's worth I removed the H/W constraints in B2x0 that
> forced a minimum of 5MHz master clock rate when UHD 3.9.x was released.
> Running AD9361 at low clock rates isn't the best way to utilize its
> capabilities but it may help for certain niche narrow band applications.
> 
> -Ian
> 
> 
> On Wed, Apr 13, 2016 at 6:20 AM, Ron Economos <address@hidden
> <mailto:address@hidden>> wrote:
> 
>     Yes. I routinely set it to ((8000000 * 6) / 7) * 4 for DVB-T2
>     applications.
> 
>     Ron
> 
> 
>     On 04/13/2016 08:32 AM, Alexander Levedahl wrote:
>>     So, it can be set to say 50.3+pi/10MHz?
>>
>>
>>     On Wed, Apr 13, 2016 at 10:55 AM, Ron Economos <address@hidden
>>     <mailto:address@hidden>> wrote:
>>
>>         Correction. The master clock rate can be set to anything from
>>         5 MHz to 56 MHz. The bandwidth is 200 kHz to 56 MHz.
>>
>>         Ron
>>
>>
>>         On 04/13/2016 07:46 AM, Ron Economos wrote:
>>
>>             The B2X0 series has a programmable master clock. You can
>>             set it to anything from 200 kHz to 56 MHz.
>>
>>             Ron
>>
>>             On 04/13/2016 05:55 AM, Alexander Levedahl wrote:
>>
>>                 Hello,
>>
>>                 Is there a list of sample rates and associated
>>                 bandwidths supported by the B2xx series or a way to
>>                 generate the list? E.g., the list for the X310 is to
>>                 take 120MHz, 184.32MHz, and 200MHz and divide by an
>>                 integer.
>>
>>                 Thanks,
>>                 Alex
>>
>>
>>
>>
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>>
>>
> 
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