Yeah that'll just be some power showing up in the DC bin (which you should throw away anyways)
--Ryan On Fri, Apr 24, 2015 at 5:38 PM, Kuiper, Thomas (3266) <[email protected]> wrote: > Thanks, Dan. Yes, we're using KAT ADCs. I'm not worried about a DC > offset and I know about the slight ADC bias. It's the skewness I'm > wondering about. It's just barely detectable by eye in a histogram. > > Tom > ________________________________________ > From: [email protected] [[email protected]] on behalf of Dan > Werthimer [[email protected]] > Sent: Friday, April 24, 2015 5:34 PM > To: Kuiper, Thomas (3266) > Cc: G Jones; Casper Lists > Subject: Re: [casper] Skewed data samples > > hi tom, > > if you are using casper adcs: > > all the casper adc boards are AC coupled > (they have baluns and coupling capacitors), > so even if your input signal has a DC offset, it won't couple > into the ADC. however, there are slight DC offsets in the ADC, > so there will be a small spike in the DC bin, but probably > not from the signal your are injecting. > > best wishes, > > dan > >
