Products > Test Equipment

Oscilloscope Zoom Out Quirk

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gaurav.anand:

--- Quote from: gaurav.anand on March 02, 2021, 05:51:22 am ---I assume all the siglent scopes are designed this way e.g. 1104x-e. Right?

--- End quote ---

I mean to ask with respect to the zoom out/history functionality that I asked about in my previous questions?
So all the current siglents behave the same way?

tautech:

--- Quote from: gaurav.anand on March 02, 2021, 05:57:22 am ---
--- Quote from: gaurav.anand on March 02, 2021, 05:51:22 am ---I assume all the siglent scopes are designed this way e.g. 1104x-e. Right?

--- End quote ---

I mean to ask with respect to the zoom out/history functionality that I asked about in my previous questions?
So all the current siglents behave the same way?

--- End quote ---
Yes, it's Siglent's, LeCroy's and Picoscope's design philosophy as zooming in is a more powerful use of a deep memory architecture than zooming out.
There is a bigger picture to consider why some DSO's are this way as sampling rate, memory depth and WFPS rate are all somewhat dependant on one another and careful study of datasheets can reveal how all brands make tradeoffs in their designs to maximise performance.
None are 100% right or wrong only different to operate and get the best from.

However a deep memory DSO is highly desirable in order to have the greatest versatility.

rf-loop:
Yes you can stop and after then zoom out and look if there is...






But I want more...     So I turn to this road...






Just because I want more.      And -- because I know where is more.







It is difficult to understand how some believe they get more if this upper part of image is hidden and exchanged with some nearly nonsense horizontal bargraph. Or I just have to learn to see the emperor’s new clothes and know how to praise them.

nctnico:

--- Quote from: tautech on March 02, 2021, 07:24:03 am ---
--- Quote from: gaurav.anand on March 02, 2021, 05:57:22 am ---
--- Quote from: gaurav.anand on March 02, 2021, 05:51:22 am ---I assume all the siglent scopes are designed this way e.g. 1104x-e. Right?

--- End quote ---

I mean to ask with respect to the zoom out/history functionality that I asked about in my previous questions?
So all the current siglents behave the same way?

--- End quote ---
Yes, it's Siglent's, LeCroy's and Picoscope's design philosophy as zooming in is a more powerful use of a deep memory architecture than zooming out.
There is a bigger picture to consider why some DSO's are this way as sampling rate, memory depth and WFPS rate are all somewhat dependant on one another and careful study of datasheets can reveal how all brands make tradeoffs in their designs to maximise performance.
None are 100% right or wrong only different to operate and get the best from.

However a deep memory DSO is highly desirable in order to have the greatest versatility.

--- End quote ---
Now you are contradicting yourself. Not being able to zoom out lessens the versatility and seriously slows down some type of measurements. And I repeat: there is no trade-off to be made to support zooming out. R&S shows that by supporting all acquisition modes.

It is similar to driving a car with a very wide turning circle. Such a car is difficult to drive in places with narrow streets (narrow corners, turning around, parking, etc). Some people never run into situations where it is a problem, some people don't know/care and will move forward/backward many times and others will see the limitation for what it is and buy a different car to drive around more easely.

@rf-loop: you don't need zoom mode to know there is more. For many types of measurements you know there is more and what the signal should look like. It is just that you are not making such measurements and thus don't understand why zooming out is such an important feature for other people. IOW: Zooming out is an important feature but you just don't understand why. On top of that you make a fool out of yourself by ridiculing other people's workflow.

rf-loop:

--- Quote from: nctnico on March 02, 2021, 08:51:33 am ---
--- Quote from: tautech on March 02, 2021, 07:24:03 am ---
--- Quote from: gaurav.anand on March 02, 2021, 05:57:22 am ---
--- Quote from: gaurav.anand on March 02, 2021, 05:51:22 am ---I assume all the siglent scopes are designed this way e.g. 1104x-e. Right?

--- End quote ---

I mean to ask with respect to the zoom out/history functionality that I asked about in my previous questions?
So all the current siglents behave the same way?

--- End quote ---
Yes, it's Siglent's, LeCroy's and Picoscope's design philosophy as zooming in is a more powerful use of a deep memory architecture than zooming out.
There is a bigger picture to consider why some DSO's are this way as sampling rate, memory depth and WFPS rate are all somewhat dependant on one another and careful study of datasheets can reveal how all brands make tradeoffs in their designs to maximise performance.
None are 100% right or wrong only different to operate and get the best from.

However a deep memory DSO is highly desirable in order to have the greatest versatility.

--- End quote ---
Now you are contradicting yourself. Not being able to zoom out lessens the versatility and seriously slows down some type of measurements. And I repeat: there is no trade-off to be made to support zooming out. R&S shows that by supporting all acquisition modes.

It is similar to driving a car with a very wide turning circle. Such a car is difficult to drive in places with narrow streets (narrow corners, turning around, parking, etc). Some people never run into situations where it is a problem, some people don't know/care and will move forward/backward many times and others will see the limitation for what it is and buy a different car to drive around more easely.

@rf-loop: you don't need zoom mode to know there is more. For many types of measurements you know there is more and what the signal should look like. It is just that you are not making such measurements and thus don't understand why zooming out is such an important feature for other people.

--- End quote ---
|O |O |O

I think you know it is actually full window zoom and nothing else what you admire so much. Is it better to also show this whole together this zoomed part. What you loose when it is displayed. Nothing. Except if you are after this KS wfm speed hype. In other side there is zero loose and other side there is you can get more.
But this discuss will never stop, you can keep your way to use oscilloscopes and be happy with it. Every user is right if he is perfectly satisfied scope meet his needs and deep-rooted ways of using it. //

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