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Siglent SDS804X HD

28. April 2024
Here is a loose collection of information about the ✨brand-new Siglent SDS804X HD Oscilloscope, which seems to be a very good deal if you are in the market for a new scope in the 400-500 €/$ range. I have written this short post because there isn't much information available so far. There has been a big thread on eevblog.com/forum about the scope, which I followed during the release. There is also a review thread that is much better done than I could ever do myself, so I'll link it instead. Also, somebody provided instructions on how to convince the scope to act as a faster SDS824X HD, with much greater bandwidth. People say it works, but beware. I haven't done this myself. Here is the link to forum post Last time I checked, my version of Sigrok doesn't support the oscilloscope, but it seems fairly easy to extend the Siglent SDS drivers of Sigrok, assuming the scope follows the same communication interface, which all other Siglent scopes do. Not sure about the outcome; I might try this myself if nobody has done it so far. Siglent's predecessor the SDS1000x (sigrok wiki link) Series is supported by the driver. I preordered my scope on welectron.com, a German test equipment🔬 dealer with good service that is based in my city. They are very helpful and have an english/german speaking phone service. Welectron seems to ship internationally. They are an official Siglent seller and offer all sorts of things. In my first amateurish impression, the SDS804 performs better than my old Tektronix 2215, which was to be expected for a new brand new DSO. It's sometimes a bit sluggish compared to my average computer but good enough for an affordable device that runs embedded Linux. I don't bring the required expertise to compare it to other devices of its class, nor should my opinion matter. The fan is audible in a quiet environment, that's the only thing I am not liking so far. It should be very easy to replace it with a quiet alternative fan someday, if it ever becomes necessary. But nothing out of the ordinary. Overall I am very happy with my new DSO. I'd probably use it for my electronics projects and for debugging serial/i2c/1wire communication. Following are some pictures that are made during the unboxing:
Siglent SDS804X HD image of the unboxing
Scope in its box. It came with a calibration certificate, that was 3 weeks old, 4 scope probes, USB-B cable and a quick start manual
Siglent SDS804X HD used as a logic analyzer for my thesis
Siglent SDS804X HD used as a logic analyzer for my thesis
Siglent SDS804X HD image of the unboxing
Scope running
Siglent SDS804X HD image of the unboxing
Scope booting for the first time
Siglent SDS804X HD image of the unboxing
Scope running. Waveform of an 4MHz colpitts oscillator, distorted
Siglent SDS804X HD image of the unboxing
Waveform of an 4MHz colpitts oscillator, less distorted
Pictures compressed with love, bloat removed with fire 🔥
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