[USRP-users] Crest factor for A/D
stoledo at tau.ac.il
Thu Feb 28 14:51:47 EST 2013
Seems like a generally useful feature.
On Thu, Feb 28, 2013 at 12:39 PM, Matt Ettus <matt at ettus.com> wrote:
> One way to know if you are getting overload is to look for samples that
> are at the max 14-bit 2's comp size, so +8191/-8192. This would need to be
> done in the FPGA ahead of any of the other DSP. You could create a block
> which just watches the stream, and reports back if/when you hit the max
> amplitudes. This could come back as context packets.
> On Tue, Feb 26, 2013 at 12:57 PM, David Campbell <david at davidcampbell.us>wrote:
>> I am wondering if there is a way to retrieve in realtime A/D loading
>> data (i.e. crest factor) for the N210 et.al (so the RX path). This
>> would be the loading of the 100 Msps A/D, before it goes into to the
>> tuners. Otherwise, I may not be able to tell if my input is overloading
>> the A/D.
>> USRP-users mailing list
>> USRP-users at lists.ettus.com
> USRP-users mailing list
> USRP-users at lists.ettus.com
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