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Siglent SDS2000X-E

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rea:
And since it is really boring to live without SHELLCMD, here is the alternative that, I hope, will survive at least some of the future updates of Siglent firmware (and, once currently installed, it will survive all updates up to 1.1.20R3): http://codelabs.ru/firmware/siglent/sds2000x-e/php-cli/v1/

RoV:

--- Quote from: rea on June 09, 2021, 06:02:18 am ---There is also firmware version 1.1.20R3 (that my SDS2000X-E came with).  Its being said to be the intermediate version that was created "to optimize the internal processes" (refactoring?) without any (hmm, may be yes, may be not ;) bug fixes/new issues.  And also "... as praparations for the further improvements" was mentioned, so it could be that the new firmware for SDS2000X-E could appear at some point at the Siglent download areas.

Since new devices come with it, I consider it to be stable enough for keen engineers to try it.  It came from Siglent representatives, but just as a lone .ADS file, not the usual zip with changelogs.

http://codelabs.ru/firmware/siglent/sds2000x-e/official/1.1.20R3/

--- End quote ---

Thank you very much, rea.
The update solved the ugly bug of my post https://www.eevblog.com/forum/testgear/sds2202x-e-fpga-bug-or-broken/msg3518718/#msg3518718.
I wonder why Siglent is taking so long to put an official update on their site.

RoV:
Successfully applied hack to transform the SDS2202X-E to 2352X-E, thanks to information in the blog!
I can confirm that the hack actually changes both the bandwidth and the rise time, because I measured both configurations, 200 and 350 MHz. The attached reading was obtained with a Marconi 2019A source, with level corrected with an hp power meter. Input to the scope was done using the internal 50 ohm termination:

The final risetime is just below 1 ns, it was 1.2-1.5 ns before the hack. Test was done with a 45 ps rising edge


Also the original 200 MHz probe is better than I thought, reaching well the 350 MHz with a modest attenuation. I tested it using the supplied probe-to-BNC adapter, using a T adapter and an external 50 ohm load. This is a kind of measurement not as reliable as the previous one, so uncertainty is higher.

RoV:
After so many months and in the presence of bugs, the official downloadable FW release for the SDS2202X-E is still stuck at 1.1.19R5, while new models are sold with newer versions. Version 1.1.20R3 was available AT LEAST from last june and thanks to user rea I could install it on last september.
But why don't they distribute updates? Perhaps tautech can help?

tautech:

--- Quote from: RoV on January 09, 2022, 10:40:15 am ---After so many months and in the presence of bugs, the official downloadable FW release for the SDS2202X-E is still stuck at 1.1.19R5, while new models are sold with newer versions. Version 1.1.20R3 was available AT LEAST from last june and thanks to user rea I could install it on last september.
But why don't they distribute updates? Perhaps tautech can help?

--- End quote ---
20R3 is still the current version as I got a copy just recently.

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