Stating that I'm hiding things is offensive
i wrote "i suspect"
As I explained one is made with dot mode, other one is with Sin(x/x) interpolation...
oic, so you are comparing elephant to apple then... i got distracted again... in that case... my answer is...
1) there is no Sinc in dot mode, no wonder! there is no "reconstruction" actually happened in there, its just try to overlap REAL sampled data too many times, of course no Gibbs effect! read nctnico post. or even literatures i've provided earlier. Gibbs only happened when you turn on fancy interpolation such as Sinc. when we talk about "reconstruction", it means Sinc interpolation. not overlapping real data to many times, thats statistical. different animal! no Sinc, no "reconstruction" (interpolation) period. sorry if you dont understand that earlier.
2) now 2nd pic Sinc is turned ON (5GSps), but 1st pic not (25MSps), thats why i said comparing elephant to apple. my answer is... at 2nd picture, at 5GSps is 0.2ns samples interval, that means 500 points for each cycle, you showed 5 cycles, meaning 2500 points, that means more dots than your monitor can handle, lets just assume for simplicity the dots are 1080 dots filling your monitor. even if there is Gibbs, its too small to see the interpolation on sub-pixel level
do you have any idea what you are posting?
here what i suggested for you to do earlier.... check my challenge posts earlier. dial back to where you got the gibbs effect like in this picture you showed here...
screen capture it again to show the gibbs effect as reference... and then.... this is the most important part you need to get right.... change your scope to Sinc OFF, dot mode ON, and single trigger it, until it triggered and stopped. so we can see few points on screen paused, not overlapping around. and do the 2nd capture, and post here again for comparison and analysis... cheers.
here an example of the 2nd capture i need, like tautech have made... (i would love to see same time scale as the one you got the gibbs effect above 200ns/div)
or like this as an example except i need it at 200ns/div same as gibbs effect setup above.. except the settings i've mentioned.