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| Choosing an oscilloscope |
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| tggzzz:
--- Quote from: bdunham7 on October 07, 2020, 08:12:14 pm --- --- Quote from: nctnico on October 07, 2020, 05:27:51 pm ---You can. There are analog storage oscilloscopes. --- End quote --- And scope cameras. --- End quote --- Thank you for reminding me of those. Not. |
| 0culus:
--- Quote from: BravoV on October 07, 2020, 06:09:30 am --- And no, you can NOT do that even at the best analog scope ever made on earth. --- End quote --- Yeah, no. Oscilloscope photography was pretty highly developed back in "the day". HP and Tek catalogs had entire sections devoted to cameras and accessories, as well as application notes on the matter. Now would you choose to do this today if you had other options? No, of course not, but let's not pretend that using a 'scope for single shot is some kind of 21st century invention. That said it might be a fun project to get an old scope camera and retrofit it with a digital camera. >:D tgzzzz will love that. :-DD |
| tautech:
--- Quote from: 0culus on October 07, 2020, 10:14:37 pm --- --- Quote from: BravoV on October 07, 2020, 06:09:30 am --- And no, you can NOT do that even at the best analog scope ever made on earth. --- End quote --- Yeah, no. Oscilloscope photography was pretty highly developed back in "the day". HP and Tek catalogs had entire sections devoted to cameras and accessories, as well as application notes on the matter. Now would you choose to do this today if you had other options? No, of course not, but let's not pretend that using a 'scope for single shot is some kind of 21st century invention. --- End quote --- Oh come on :bullshit: There’s no way any old legacy equipment allows the complex trigger conditions that a modern DSO offers let alone once those conditions are met the capture remains on the display indefinitely to be examined at leisure and/or saved at will. |
| 0culus:
--- Quote from: tautech on October 07, 2020, 11:01:25 pm --- --- Quote from: 0culus on October 07, 2020, 10:14:37 pm --- --- Quote from: BravoV on October 07, 2020, 06:09:30 am --- And no, you can NOT do that even at the best analog scope ever made on earth. --- End quote --- Yeah, no. Oscilloscope photography was pretty highly developed back in "the day". HP and Tek catalogs had entire sections devoted to cameras and accessories, as well as application notes on the matter. Now would you choose to do this today if you had other options? No, of course not, but let's not pretend that using a 'scope for single shot is some kind of 21st century invention. --- End quote --- Oh come on :bullshit: There’s no way any old legacy equipment allows the complex trigger conditions that a modern DSO offers let alone once those conditions are met the capture remains on the display indefinitely to be examined at leisure and/or saved at will. --- End quote --- Uhhh...that's what the camera was for...? ::) -hp- even had scopes with built in strip chart recorders. If you had read all of what I wrote instead of blasting off into space with hyperbole, you would note that I mentioned that one would not choose to do things this way today. In no way am I saying that oscilloscope photography is somehow better than a modern 'scope with advanced triggers and single shot acquisition. The point is to dispel the myth that single shot acquisitions were not possible in the bad old days, nothing more. OF COURSE the modern tool is better for this. ;) As to your other point, here's some examples from the -hp- 1965 catalog I just pulled off my shelf: |
| tggzzz:
--- Quote from: tautech on October 07, 2020, 11:01:25 pm --- --- Quote from: 0culus on October 07, 2020, 10:14:37 pm --- --- Quote from: BravoV on October 07, 2020, 06:09:30 am --- And no, you can NOT do that even at the best analog scope ever made on earth. --- End quote --- Yeah, no. Oscilloscope photography was pretty highly developed back in "the day". HP and Tek catalogs had entire sections devoted to cameras and accessories, as well as application notes on the matter. Now would you choose to do this today if you had other options? No, of course not, but let's not pretend that using a 'scope for single shot is some kind of 21st century invention. --- End quote --- Oh come on :bullshit: There’s no way any old legacy equipment allows the complex trigger conditions that a modern DSO offers let alone once those conditions are met the capture remains on the display indefinitely to be examined at leisure and/or saved at will. --- End quote --- You mean this sampling scope didn't do that? Shame the paper is unobtanium, so nowadays you have to use the X-Y pen plotter output shown in the next picture. And note the date! Go on, try that with the a Siglent :) |
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