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| Keysight DSOS204A waveform update rate |
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| KrzysztofB:
--- Quote from: Someone on June 12, 2022, 12:06:26 am --- --- Quote from: KrzysztofB on June 11, 2022, 09:43:28 pm ---Totally can accept that in real-time, waveform update rate is not great, but ok, something to accept. In segmented mode it has absolutely no problem grabbing so much frames that would be enough to find all of those anomalies. --- End quote --- You come at the problem with fixated mind on the "one" way to solve it. The deep memory offline analysis scopes work very differently and use different approaches for the "same" problem. --- End quote --- What I just said is completly the opposite. I get that doing it in realtime is not gonna work (as MXR probably would). So yes, running segmented mode to capture as much as I can and search it. But at least so far I did'n found any way how to analize data that has been captured and sits in segments. Mask testing / Limit testing works in other modes not in segmented. --- Quote from: Someone on June 12, 2022, 12:06:26 am ---Not sure if that scope has hunting tools for segmented mode, but you didn't use that scopes headline/flagship tool for that sort of problem: InfiniiScan (requires license?) which takes a deep memory capture and then searches back through it with complex or multiple different triggers. --- End quote --- FaultHunt is new feature in newer scopes. One i have has InfiniiScan active, however the only thing it does, it works as a secondary more advanced trigger in Real-time, as Zone triggers etc. Not as post aquisition analysis tool. As long as you are aware that "something" is there, and you build right trigger for that event, scope is great. So yeah, I agree with bdunham7. Not always buying something more expensive is the right tool for the job and it's possible that something with less bandwidth, but more modern would suit my needs better. So what I'm I doing here is getting to know tool I've got, knowing it strengths / weaknesses and expected behavior. To know what I can and cannot. Because some you only get one chance to capture something, that one and only chance, that should not be wasted by not knowing how you tool will behave. When I was picking up this one, i thought that is gonna be the last scope i'm getting, but looks like it's not the end :-DD |
| Someone:
--- Quote from: KrzysztofB on June 12, 2022, 09:04:31 am --- --- Quote from: Someone on June 12, 2022, 12:06:26 am --- --- Quote from: KrzysztofB on June 11, 2022, 09:43:28 pm ---Totally can accept that in real-time, waveform update rate is not great, but ok, something to accept. In segmented mode it has absolutely no problem grabbing so much frames that would be enough to find all of those anomalies. --- End quote --- You come at the problem with fixated mind on the "one" way to solve it. The deep memory offline analysis scopes work very differently and use different approaches for the "same" problem. --- End quote --- What I just said is completly the opposite. I get that doing it in realtime is not gonna work (as MXR probably would). So yes, running segmented mode to capture as much as I can and search it. But at least so far I did'n found any way how to analize data that has been captured and sits in segments. Mask testing / Limit testing works in other modes not in segmented. --- End quote --- Segmenting the caputres is usually for reasons other than fast visualisation (what you were trying to benchmark). Only other thing I can think of to get more edges to the screen would be the real time eye unfolding (time to setup, may not work on very slow/sparse signals, needs license). |
| Bud:
Segmented mode is not good for capturing "as much as you can". There may be lost information at the segments boundaries because of re-trigger time if you capturing a continious signal. Segmented mode is best for capturing burst of a signal where memory is not used in pauses between bursts. |
| KrzysztofB:
--- Quote from: Bud on June 12, 2022, 01:27:06 pm ---Segmented mode is not good for capturing "as much as you can". There may be lost information at the segments boundaries because of re-trigger time if you capturing a continious signal. Segmented mode is best for capturing burst of a signal where memory is not used in pauses between bursts. --- End quote --- Loosing in betweens or not, I would expect to have a possibility to search through acquired segmented waveforms. Problem is, those scopes are not that common and I can't figure out how that is suppose to be done. Or if i need some extra package of software for that, which is not present at the moment. That video explains a bit, of what would be nice to have: But I can't afford buying EXR or MXR. Got my S series for 10K and that was absolute maximum i would ever pay for a scope. Would be nice if someone using Infiniium software said something about how and how? Is it possible to search through waveforms / segmented? |
| Bud:
This video is about speed of acquisition, but you want to "search through acquired waveforms". Not sure how they relate.... :-// |
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