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
