[USRP-users] AD936x disable DC offset removal

Marcus D. Leech patchvonbraun at gmail.com
Sun Jul 26 15:04:58 EDT 2020


On 07/26/2020 02:59 PM, David Carsenat wrote:
> I have tried that, but I see 2 issues (but perhaps I'm wrong) :
> - I need 25 Mhz of BW so if I want to push the LO outside, I need to 
> have a sample rate of 50 MHz --> difficult to have Tx / Rx loopback.
> - I have tried to set the master clock rate at 60 MHz, the DDC offset 
> at 25 MHz, and a sample rate at 25 MHz. I thought that it could work 
> but I have a cutoff frequency at 12.5 MHz ...
>
> David
>
Try setting master-clock at 50MHz, and then set the analog bandwidth to 
50MHz.  Then use the offset tuning.





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