Products > Test Equipment
A newbie needs some help with my first DSO
bdunham7:
--- Quote from: Fungus on May 30, 2024, 09:28:59 am ---The Siglent way isn't the natural, logical, most useful way to work. If you want the full memory you have to work zoomed out without being able to see any detail, press STOP, then zoom in.
--- End quote ---
Can you think of a case where you don't want "full memory", at least not on each waveform capture?
KungFuJosh:
I think it's funny that some members need to jump in and whine about the workflow of one brand vs. another brand, when we all know that even the top historical A brands have their own workflows that sometimes contradict each other.
The OP bought a nice entry level Siglent scope, and he wants to learn to use it better. It's hardly useful to complain about workflow comparisons when 1. the OP wants to learn to use his new scope, and 2. other brands that he doesn't own aren't relevant, especially as he mentioned this is his first DSO.
bdunham7:
--- Quote from: awakephd on May 30, 2024, 12:06:57 am --- I don't really understand what the memory depth is doing for me.
--- End quote ---
Set your scope up with a 1MHz input signal from whatever you have available, then change the timebase to 10ms/div. Press your "SINGLE" button to get a single freeze frame. Then start turning the horizontal timebase knob to zoom in on the signal. Once you can see your 1MHz waveform, use the horizontal position knob to scan through your captured signal.
awakephd:
I was able to take a few minutes on break to experiment a little further. I now understand much, much better what I am seeing: If I pay attention to the horizontal information in the little box at the bottom center right, it shows not only the current time per division, but also the total memory points that will be captured and the sampling rate at which they will be captured. As I adjust the horizontal timebase setting, I can see exactly what I am going to get if / when I press the run/stop button. (And presumably likewise if I do a single sweep?) So if for some reason I need to see the absolute maximum number of points sampled at the absolute highest rate, I can select the timebase that shows 50M and 2Gs and click on Run/Stop.
I realize that for those of you familiar with the Siglent or similar machines, I am telling you what you already know! And worse yet, my example above is probably ridiculously contrived and not something I will ever need in the real world. But now that I know, it all seems so simple, and I feel so delightfully empowered ...
... until I run into the next thing that I don't understand, which no doubt will come soon. I will no doubt be back with yet another example of my ignorance in search of enlightenment. :)
2N3055:
Just take your time and enjoy the trip..
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